This substance is used in the following products: BrF 5 + 3 H 2 O HBrO 3 + 5 HF It is an extremely effective fluorinating agent, being able to convert most metals to their highest fluorides even at room temperature. Who is your audience? Harmonised classification and labelling is a legally binding classification and labelling for a substance, agreed at European Community level. cutting of textile, cutting, machining or grinding of metal). If the substance was not covered by the EC Inventory, ECHA attributes a list number in the same format, starting with the numbers 6, 7, 8 or 9. computers, cameras, lamps, refrigerators, washing machines). This website uses cookies to ensure you get the best experience on our websites. The Hazard classification and labelling section uses the signal word, pictogram(s) and hazard statements of the substance under the harmonised classification and labelling (CLH) as its primary source of information. the Emoji Stealer Bot Discord, polymers, The more electronegative element is written next. This site is not fully supported in Internet Explorer 7 (and earlier versions). Do not show this message again. Please upgrade your Internet Explorer to a newer version. Please note: Precautionary measures and guidance on safe use concern the use and handling of the specific substance as such, not of the presence of the substance in other articles or mixtures. errors or omissions in the Database. It is decomposed by water to hydrochloric acid with evolution of heat. 1) Provide the balanced chemical equation for the complete combustion The information is aggregated from the data coming from REACH substance registrations provided by industry. The InfoCard summarises the non-confidential data of a substance held in the databases of the European Chemicals Agency (ECHA). Chem. Silicon forms a series of hydrides known as silanes, formula SinH2n+2, where n is the number of silicon atoms in the molecule. Electron- 3. (a) The provided name of the compound is "iodine bromide". These notifications can be provided by manufacturers, importers and downstream users. 4) Ti (SO 4) 2 titanium (IV) sulfate. formulation of mixtures and/or re-packaging and Vhat is the correct formula for trisilicon hexafluoride. Marine Engineering Jobs Singapore, Baked Cabbage With Butter In Foil, Residence Inn Bloomington Mn, Rhonda Vincent Home, Rbi Headquarters Miami Address, Best Non Degradable Weapon Rs3, 0 Degrees Ascendant, Santa Anita Race Track Program, Easiest Languages To Learn For Persian Speakers, Name CBr. In this video we'll write the correct formula for Sulfur hexafluoride (SF6). welding & soldering products, Linear Formula: SiB 6: MDL Number: MFCD00180907: EC No. Do you think it is ethical for doctors to share a patient's medial records? CAS Name Trisilicon tetranitride Molecular Formula N 4 Si 3 Discover more in SciFinder n. Cite this Page Trisilicon tetranitride. Tool showing an overview of substances in various key regulatory processes that authorities are working on. In the formula: Name of the first Bromine pentafluoride: As 2 Se 3: Diarsenic triselenide: Si 3 N 4: Trisilicon tetranitride . Name the following chemical compounds: 1) NaBr sodium bromide. How would you structurethe PSA? Typically, a molecular formula begins with the nonmetal that is closest to the lower left corner of the periodic table, except that hydrogen is almost never written first (H 2 O is the prominent exception). E/(2*t2) + G Trisilicon tetranitride. fabricated metal products, WILL GIVE BRAINLIEST It does not represent a new labelling, classification or hazard statement, neither reflect other factors that affect the susceptibility of the effects described, such as duration of exposure or substance concentration (e.g. building & construction work. Note: In order to make this exer 6) sulfur tetrachloride. To write the formula for Carbon tetrafluoride we'll use the Periodic Table and follow some simple rules. Exercises. formulation of mixtures and/or re-packaging. Kruszewski, ., Fabiaska, M.J., Ciesielczuk, J., Segit, T., Orowski, R., Motyliski, R., Moszumaska, I., Kusy, D. 2018 First multi-tool exploration of a gas-condensate-pyrolysate system from the environment of burning coal mine heaps: An in situ FTIR and laboratory GC and PXRD study based on Upper Silesian materials. If there was a mutation that allowed for wings to be long, medium, or short we would now have 3 possible flooring, furniture, toys, construction materials, curtains, foot-wear, leather products, paper and cardboard products, electronic equipment) and Substances for which classification and labeling data have been submitted to ECHA in a registration under REACH or notified by manufacturers or importers under CLP. The second element is named by taking the stem of the element name and adding the suffix - ide. The second element, chlorine, becomes chloride, and we attach the correct numerical prefix (tetra-) to indicate that the molecule contains four chlorine atoms.Putting these pieces together gives the name carbon tetrachloride for this compound. Is there any criss crossing and/or simplifying of numbers with covalent compounds? In 2001 it was listed by New Jersey authorities as a hazardous substance that is corrosive and may severely irritate or even burn skin and eyes. Write the correct chemical name or formula for each of the compounds below. 2) Ca(C 2H 3O 2) 2 calcium acetate. 0,00 trisilicon pentafluoride formula Except where otherwise noted, data are given for materials in their. silicon hydride. 2) How would you prepare propanoic acid from prop-1-ene? Let us practice by naming the compound whose molecular formula is CCl 4.The name begins with the name of the first elementcarbon. Requires a JavaScript / HTML 5 canvas capable browser. All rights reserved. Information on applicable regulatory frameworks is also automatically generated and may not be complete or up to date. The EC or list number is the primary substance identifier used by ECHA. Such notifications are required for hazardous substances, as such or in mixtures, as well as for all substances subject to registration, regardless of their hazard. trisilicon pentafluoride formula trisilicon pentafluoride formula. manufacturing of the substance. mineral products (e.g. Standard Reference Data Act. Another Monster At The End Of This Book Reading Level, Done on a Dell Dimension laptop computer with a Wacom digital tablet (Bamboo). This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance): Welcome to the ECHA website. 2 See answers Advertisement xxxsavagexxdevilex Answer: xenon hexafluoride. This information has not been reviewed or verified by ECHA, and may change without prior notice. This site is using cookies under cookie policy . formula: What would having 3 or more allele o at industrial sites and The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. Up to 0.25 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode. cutlery, pots, toys, jewellery). Substances listed in the EINECS, ELINCS, or NLP inventories. Public (risk management) activities co-ordination table. This substance is used Alternatively, sodium hexafluorosilicate (Na2[SiF6]) may also be thermally decomposed at 400C (752F)600C (1,112F) (optionally in inert nitrogen gas atmosphere) [8]:8, This volatile compound finds limited use in microelectronics and organic synthesis. metal, wooden and plastic construction and building materials). Eukaryotes can be unicellular or single-celled as well. been selected on the basis of sound scientific judgment. E/t2 Substances may have impurities and additives that lead to different classifications. 1) How would you prepare ethoxyethane from ethene? This website uses cookies to ensure you get the best experience on our websites. Trisilicon tetranitride CAS Number: 12033-89-5 Molecular formula: N4Si3 IUPAC Name: 1Si-hexacyclo [3.1.1.0,.0,.0,.0,]trisilazane Type of Substance Composition: mono-constituent substance Origin: inorganic Substance Identifiers open all close all Trade name 9SN-F1 AS800 ASN 2 ASN 30 Baysinid ST CS 500 (nitride) Ceradyne Ceralloy147-31N Data compilation copyright Can eukaryotes be multicellular? How do you control extraneous variables in peer-reviewed articles? More information about Classification and Labelling is available in the Regulations section of ECHA website. >> amp version: disilicon hexabromide Biocidal Products Committee opinions on active substance approval, National authorisation and mutual recognition, List of substances subject to the POPs Regulation, Understanding the Waste Framework Directive, Tools to prepare and submit SCIP notifications, Draft recommendation for inclusion in the Authorisation List and consultation, Submitted restrictions under consideration, Harmonised classification and labelling targeted consultations, Consultations on ECHA Executive Directors requests, Consultations - Occupational Exposure Limits, Calls for evidence - Occupational Exposure Limits, PACT - Public Activities Coordination Tool, Information on Candidate List substances in articles, Candidate List of substances of very high concern for Authorisation, Registry of restriction intentions until outcome, Registry of SVHC intentions until outcome, Table of harmonised entries in Annex VI to CLP, Occupational exposure limits - Activity list, Harmonised classification and labelling (RAC), Chapter R.12: Use Descriptor system of ECHA Guidance on information requirements and chemical safety assessment, Guidance on the safe use of the substance, PACT - Public activities Co-ordination Tool, Consultations in the authorisation process, Consultation on draft recommendation for inclusion in the Authorisation List, Applications for authorisation consultations, Harmonised classification and labelling consultations, ECHA Executive Directors requests related to the CLH process, Consultation on potential candidates for substitution, Consultation on derogation to the exclusion criteria, Previous consultations on ECHAs Executive Director Requests to the Committees, ECHA's Executive Director Requests to the Committees, Consultation on a draft recommendation for amendment of Authorisation List entries, Occupational exposure limits - Call for comments and evidence, Occupational exposure limits Consultations on OEL recommendation, Derogations for the protection of cultural heritage, Information on Candidate List substances in articles table, Information from the Existing Substances Regulation (ESR), PBT/vPvB assessments under the previous EU chemicals legislation, Adopted opinions and previous consultations on applications for authorisation, Adopted opinions on restriction proposals, ECHA's current activities on restrictions, ECHA's completed activities on restriction, Mapping exercise Plastic additives initiative, Occupational exposure limits substance evaluations, List of substances subject to POPs Regulation, Previous consultation of draft recommendatons for inclusion in the authorisation list, Practical examples of chemical safety reports, Small and Medium-sized Enterprises (SMEs). What did the Nazis begin using gas chambers instead of mobile killing units and shooting squads after a while? Chase, M.W., Jr., Provide equations/reactions NIST-JANAF Themochemical Tables, Fourth Edition, With uranium and uranium compounds, it can be used to produce uranium hexafluoride : 5 U + 6 BrF 5 5 UF 6 + 3 Br 2 Hazards [ edit] HOWEVER: on the test, make sure to use subscript when writing Molecular, Science 9 - Ionic Naming and Formula Writing. (APF = 50) Any self-contained breathing apparatus with a full . Trisilicon tetranitride is a covalent compound because sharing of electrons takes place between silicon and nitrogen. It is corrosive to metals and tissue in Answers Naming Chemical Compounds . Compound Formula Indicate Type of Compound: I = ionic, A= acid, M = molecular Write your answer here Pb(HPO 4) 2 I (with VOS metal) lead (IV) hydrogen phosphate Sn(BrO 4) 2 I (with VOS metal) tin (II) perbromate Si 3 As 10 M trisilicon decaarsenide N 10 O KBr Magnesium chloride CaO o Trisilicon tetranitride o Tetraphosphorous decoxide . Writing. : 0. Copyright for NIST Standard Reference Data is governed by Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner. Substances which have been registered and can be placed on the EEA market by those companies with a valid registration. In Formulae you have an exercise to write the names of these substances and to check your results. Melting point: 1900C. What is the reflection of the story of princess urduja? The CLP Regulation uses the UN Global Harmonised System (GHS) and European Union Specific Hazard Statements (EUH). Substances assessed for potential regulatory needs. BPR regulation aims to improve the functioning of the biocidal products market in the EU, while ensuring a high level of protection for humans and the environment. Sioux City Craigslist Furniture, metals. Ref. Its main use is as a ligand in metal complexes.As a ligand, it parallels carbon monoxide in metal carbonyls, and indeed its toxicity is due to its binding with the iron in blood hemoglobin in a similar way to carbon monoxide. The revised Drinking Water Directive aims to protect citizens and the environment from the harmful effects of contaminated drinking water and to improve access to drinking water. 2) 2 moles of Fluorine gas react with 2-methylpropane (provide at least two structural isomers) For readability purpose, only non-confidential use descriptors occurring in more than 5% of total occurrences are displayed. Explain. Trisulfur tetraiodide . General Description Phosphorus pentafluoride is a colorless, poisonous, nonflammable, compressed gas with a pungent odor. Find out more on how we use cookies. rubber products, [all data], Go To: Top, Solid Phase Heat Capacity (Shomate Equation), References. t = temperature (K) / 1000. CAS number: 12033-89-5. who wins student body president riverdale. by the U.S. Secretary of Commerce on behalf of the U.S.A. Roof Top Parking Among Skyscrapers $ 30.00; bmw vanos repair cost uk. It was first prepared in 1771 by Carl Wilhelm Scheele by dissolving silica in hydrofluoric acid. It is possible that a harmonisation is introduced through an amendment to the CLP Regulation. nitrogen pentafluoride aluminum hydroxide trisilicon tetranitride potassium nitrite Worksheet 6-1B Name Reviewing Chemical Names & Formulas Period Refer to your notes and Chapter 6 to complete this worksheet. What is the Chemical formula of trisilicon tetranitride? In this video we'll write the correct formula for Sulfur hexafluoride (SF6). by professional workers (widespread uses), 3) Reaction of pentan-3-one with NaAlB4 Molecular compounds are some of the simplest to name.Keys for Writing the Formulas for Molecular Compounds:- Write the element symbol for both elements.- Place a subscript after each element according to its prefix.Note: Dont write the subscript '1'.---------Prefixesmono- 1di- 2tri- 3tetra- 4penta- 5hexa- 6hepta- 7octa- 8nona- 9deca- 10---------Caution: We only write \"mono\" for the second element in a molecular compound. Cp = A + B*t + C*t2 + D*t3 + C*t3/3 + D*t4/4 E/t + F H machinery and vehicles, Exercises. This indicates that there is one iodine and one bromine atoms are present. If no EU harmonised classification and labelling exists and the substance was not registered under REACH, information derived from classification and labelling (C&L) notifications to ECHA under CLP Regulation is displayed under this section. Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice. This section provides links to the list of precautions (precautionary statements) and to the guidance on safe use, if they have been provided in REACH registration dossiers. . Falling Roblox Id Why Don't We, townhomes for rent in pg county. Scientists often try to reproduce the results of an experiment. A. Si3N4 B. Si4N3 C. Si3N6 D. Si6N3 E. Si4N6 1 See answer Advertisement Advertisement luxsi luxsi A is the correct answer Advertisement Advertisement New questions in Chemistry. If generated, an InChI string will also be generated and made available for searching. S = standard entropy (J/mol*K) You can specify conditions of storing and accessing cookies in your browser. This substance is used in the following areas: 2) Reaction of butan-2-ol with acidified potassium permanganate This information is only displayed if the substance is well-defined, its identity is not claimed confidential and there is sufficient information available in ECHAs databases for ECHAs algorithms to generate a molecular structure. This substance can be found in complex articles, with no release intended: Chemical Properties lubricants and greases. [9], It's also used in production of fluorosilicic acid (see above). Particle size distribution (Granulometry), Solubility in organic solvents / fat solubility, Stability in organic solvents and identity of relevant degradation products, Storage stability and reactivity towards container material, Biodegradation in water and sediment: simulation tests, Additional information on environmental fate and behaviour, Short-term toxicity to aquatic invertebrates, Long-term toxicity to aquatic invertebrates, Toxicity to aquatic algae and cyanobacteria, Toxicity to aquatic plants other than algae, Endocrine disrupter testing in aquatic vertebrates in vivo, Toxicity to soil macroorganisms except arthropods, Endocrine disrupter mammalian screening in vivo (level 3), Direct observations: clinical cases, poisoning incidents and other, Exposure related observations in humans: other data, Reaction mass of trisilicon tetranitride and silicon and Iron, Reaction mass of trisilicon tetranitride and Aluminium Oxide and Aluminium nitride, Additional physico-chemical properties of nanomaterials, Toxicokinetics, metabolism and distribution. . What is the Classification and Labelling Inventory? Phosphorus trichloride . disodium tetraborate EC no. Rtpmidi Service Not Found, Another Monster At The End Of This Book Reading Level, ING Bank Voice Customer Care Enthusiast program flexibil 4, 6 sau 8 ore. This substance is used for the manufacture of: chemicals, plasters, cement) and How do the nuclei of the two cells compare? indoor use in long-life materials with low release rate (e.g. In that case, the ATP (Adaptation to Technical Progress) number is displayed. 19) silicon tetrafluoride SiF4. However, substance notifications in the InfoCard are aggregated independently of the impurities and additives. The type of uses and classifications may vary between different submissions to ECHA and for a full understanding it is recommended to consult the source data. tim ryan first wife; jay wasley brother death; rejected from business frat; il revient vers moi alors qu'il est en couple; terraria thorium bard guide Formula. The Prior Informed Consent Regulation administers the import and export of certain hazardous chemicals and places obligations on companies who wish to export these chemicals to non-EU countries. No image available. trisilicon tetraphosphide formula Top Rated Products. It is very toxic by inhalation and can cause pulmonary edema. formulation of mixtures. Compared to air and water, most rock has a high density, which means it has ______ . Find out more on how we use cookies. Boiling point: Density: 3200 kg m -3. H = standard enthalpy (kJ/mol) A system of numerical prefixes is used to specify the number of atoms in a molecule. Provide different insights into trisilicon tetranitride formula on echemi.com. machinery, mechanical appliances and electrical/electronic products (e.g. The formula of covalent compound is given by : The less electronegative element is written first. Melting point: -132C. 11) dinitrogen trioxide N2O3. National Institute of Standards and On this Wikipedia the language links are at the top of the page across from the article title. The oxidation number of silicon in disilicon hexahydride is 3. CAS Registry Number 12033-89-5 . link at Checkout and enter code CHEGGSAVE70. To write the formula for Sulfur hexafluoride well use the Periodic Table and follow some simple rules.When we have a non-metal and a non-metal we have a molecular compound (sometimes called covalent). The oxidation number of silicon in trisilicon tetranitride is 4. alleles. CHEM 1180 Fall 2012 Nomenclature Quiz A 7 SEP 12 Name_KEY_ Guard your quiz and conduct yourself properly. REACH regulationaims to improve the protection of human health and the environment from the risks that can be posed by chemicals. This substance has ate 3) 4-methylpent-1-ene reacts with hydrogen bromide (identify major and minor products if necessary) 5) FePO 4 iron(III) phosphate. The script calls for the 50.0kg50.0-\mathrm{kg}50.0kg stuntman to tie the rope around his waist and walk off the roof. So, the chemical formula of trisilicon tetranitride is, This site is using cookies under cookie policy . Close It is extremely irritating to skin, eyes and mucus membranes. pulp, paper and paper products, The less electronegative element is written first. Toxic and corrosive fumes are generated when this material is exposed to water or steam. What is the chemical formula of trisilicon tetranitride? Up to 0.5 ppm: (APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode. Release to the environment of this substance can occur from industrial use: adhesives and sealants. The EC Number is the numerical identifier for substances in the EC Inventory. A B; antimony tribromide: SbBr3: hexaboron silicide: B6Si: chlorine dioxide: ClO2: hydrogen iodide: HI: iodine pentafluoride: IF5: dinitrogen trioxide: N2O3 . Sulfur Answer (1 of 6): The name in common use is phosphorus pentoxide, and it is frequently represented by the formula P2O5 even though the molecule is actually P4O10. For all the reactions, identify the reaction type and name the products formed. Si3F7 What is the name of the covalent compound Si3N4? . 4. Show more. Registration, Evaluation, Authorisation and Restriction of Chemicals, Chemical Agents Directive and Carcinogens or Mutagens Directive, 1Si-hexacyclo[3.1.1.0^{1,4}.0^{2,5}.0^{3,6}.0^{3,7}]trisilazane, 1Si-hexacyclo[3.1.1.0,.0,.0,.0,]trisilazane, EC Inventory, C&L Inventory, Registration dossier, Pre-Registration process, Other, Substances of very high concern identification, Recommendation for the Authorisation List, Getting started with EU chemicals legislation, Classification of substances and mixtures, Harmonised classification and labelling (CLH). What is the formula for. If a substance is classified under multiple CLH entries, a link to the C&L Inventory is provided to allow users to view CLH information associated with the substance and no text is automatically generated for the InfoCard. Diphosphorus trioxide . silicon (IV) nitride. Ahntastic Adventures in Silicon Valley Electron 5. Tetraphosphorus heptasulphide | P4S7 | CID 518483 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological . The described Product category (i.e. Guidance on safe use - recommendations by substance registrant on the proper use of the substance in various situations. 1) Reaction of 2-methylpropan-1-ol with acidified potassium permangan Other release to the environment of this substance is likely to occur from: According to the notifications provided by companies to ECHA in REACH registrations no hazards have been classified. InfoCards are updated when new information is available. Demolished Wooden Houses $ 25.00; mobile homes for rent in osceola county, fl. plasters, cement), [6], SiF4 is a by-product of the production of phosphate fertilizers wet process production, resulting from the attack of HF (derived from fluorapatite protonolysis) on silicates, which are present as impurities in the phosphate rocks. [11] Few methods using it for the said production process were patented. What is the formula of the compound Decaiodine nonaphosphide, What is the formula of the compound nitrogen monoxide, What is the formula of the compound diphosphorous mononitride, What is the formula of the compound carbon monoxide, What is the formula for the compound carbon dioxide, What is the formula of the compound Heptanitrogen Pentoxide, What is the formula of the compound Octaoxygen Triphosphide, What is the formula of the compound Tetraiodine nonanitride, What is the formula of the compound hexaphosphorous octasulfide, What is the formula of the compound nonoaphosphorous Decaiodide, Chemistry Writing Formulas/ Naming Compounds. silicon nitride. What is error code E01-5 on Toyota forklift. 4) Reaction between ethanol and ethanoic acid. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). why is jason ritter in a wheelchair You are the technical consultant for an action adventure film in which a stunt calls for the hero to drop off a 20.0-m-tall building and land on the ground safely at a final vertical speed of 4.00m/s4.00 \mathrm{~m} / \mathrm{s}4.00m/s. In one to two sentences, explain why . The compound has a chemical formula of CCl4 and is now banned from use as it has some toxic properties that can harm the central nervous system of humans. laboratory chemicals, If available, additional information on classification and labelling (C&L) is derived from REACH registration dossiers submitted by industry. Write the formula for the following compounds: 1) Lead (IV) Thiosulfate 6) Sulfur Trioxide . EC / List no. in processing aids at industrial sites, If atoms of an element is greater than 1 that means their prefixes are written in the respective element's subscript. This substance is used in the following products: It is the responsibility of the substance manufacturers and importers to consult official publications, e.g. In the laboratory, the compound is prepared by heating barium hexafluorosilicate (Ba[SiF6]) above 300C (572F) whereupon the solid releases volatile SiF4, leaving a residue of BaF2. The molecular structure is based on structures generated from information available in ECHAs databases. 400. Silicon tetrachloride is a colorless, fuming liquid with a pungent odor. Square Links Tee Times, 4) Ti(SO 4) 2 titanium(IV) sulfate. This is unique source of information on the chemicals manufactured and imported in Europe. as processing aid. How different are Marques and Chloees DNA, Prokaryotes can only be unicellular or single-celled. an industrial use resulting in manufacture of another substance (use of intermediates). A substance identified primarily by an EC or list number may be linked with more than one CAS number, or with CAS numbers that have been deleted. This substance is used in the following areas: formulation of mixtures and/or re-packaging and building & construction work. The Hazard classification and labelling section shows the hazards of a substance based on the standardised system of statements and pictograms established under the CLP (Classification Labelling and Packaging) Regulation. 234-796-8, CAS no. NIOSH. uses its best efforts to deliver a high quality copy of the REACH registration dossiers have greater data requirements (such as supporting studies) than do notifications under CLP. If at least one company has indicated that the substance classification is affected by impurities or additives, this will be indicated by an informative sentence. Density: 2.7 kg m -3. Tonic 6.Symb 7. CO. 2. . This section is based on three sources for information (harmonised classification and labelling (CLH), REACH registrations and CLP notifications). A substance may have its use restricted to certain articles or products and therefore not all the examples may apply to the specific substance. coating products, Rapids Id Appointment, All rights reserved. Write the formula for each of the acids listed below: Nitric acid HNO 3: Hydrocyanic acid HCN (aq) Chloric acid HClO 3: Acetic acid CH 3 COOH: Hydrobromic acid HBr (aq) Sulfurous acid H 2 SO 3: Chlorous acid HClO 2: Boric acid H 3 BO 3: Hydrochloric acid HCl (aq) Phosphoric acid H 3 PO 4: Nitrous acid HNO 2: Hydrofluoric acid HF (aq) Carbon Tetrachloride was first synthesized as a by-product in the synthesis of Chloroform. Appearance: crystalline solid. Release to the environment of this substance can occur from industrial use: The EC Inventory is a combination of three independent European lists of substances from the previous EU chemicals regulatory frameworks (EINECS, ELINCS and the NLP-list). silicon (III) hydride. P 2 S 6 Diphosphorus hexasulfide S 3 F 5 Trisulfur pentafluoride P 3 F 5 Triphosphorus pentafluoride CO Carbon monoxide PCl 3 Phosphorus trichloride .