HuagongsheHuagongshe Chemistry Print Report · For research reference only
Tungsten hexachloride
WCl6 · TUNGSTEN CHLORIDE · Cl6W · sten(VI) chL · Tungsten(VI) chL · Hexachlorotungsten · Tungsten(VI) chlor · wolframhexachloride
Identifiers & Physical Properties
| CAS No. | 13283-01-7 |
|---|---|
| Molecular formula | Cl6W |
| Average molar mass | 396.5 g/mol |
| Monoisotopic mass | 393.76404728 g/mol |
| SMILES | [Cl][W]([Cl])([Cl])([Cl])([Cl])[Cl] |
| InChIKey | KPGXUAIFQMJJFB-UHFFFAOYSA-H |
| PubChem CID | 83301 |
| ChEBI | CHEBI:37771 |
| EC No. | 236-293-9 |
| DTXSID | DTXSID40893933 |
Chemical & Physical Properties
| Topological polar surface area | 0 |
|---|---|
| Hydrogen bond donors | 0 |
| Hydrogen bond acceptors | 0 |
| Rotatable bonds | 0 |
| Heavy atoms | 7 |
| Formal charge | 0 |
| Complexity | 62.7 |
| Chemical classes | Metals -> Metals, Inorganic Compounds |
| Physical Description | LiquidDark blue or violet volatile solidDecomposes in waterSoluble in organic solvents[Hawley] Blue or black crystalline solid[MSDSonline] |
| Melting point | 275 °C(lit.) |
| Boiling point | 347 °C(lit.) |
| Density | 3.52 g/mL at 25 °C(lit.) |
| Vapor pressure | 43 mm Hg ( 215 °C) |
| Flash point | 346°C |
| Storage conditions | 2-8°C, protect from light, stored under nitrogen |
| Solubility | Soluble in carbon disulfide, carbon tetrachloride and phosphorus oxychloride.soluble organic solvents such as ethanol [HAW93] |
| Physical state | powder |
| Color | Gray to dark gray-blue |
| Sensitivity | Moisture Sensitive |
| Exposure limits | ACGIH: TWA 3 mg/m3NIOSH: TWA 5 mg/m3TWA 1 mg/m3STEL 10 mg/m3STEL 3 mg/m3 |
| InChI | InChI=1S/6ClH.W/h6*1H/q+6/p-6 |
| InChIKey | KPGXUAIFQMJJFB-UHFFFAOYSA-H |
| SMILES | [W](Cl)(Cl)(Cl)(Cl)(Cl)Cl |
| CAS DataBase Reference | 13283-01-7(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | L32HZV95ZE |
| EPA Substance Registry System | Tungsten chloride (WCl6), (OC-6-11)- (13283-01-7) |
| UNSPSC Code | 12352302 |
| NACRES | NA.23 |
| GHS pictogram | GHS05,GHS07 |
| Signal word | Danger |
| GHS hazard statements | H314-H335-H412 |
| GHS precautionary statements | P260-P271-P273-P280-P303+P361+P353-P305+P351+P338 |
| Target organs | Respiratory system |
| Personal protective equipment (PPE) | Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges |
| Hazard symbols | C |
| Risk statements (R) | 34-29-22 |
| Safety statements (S) | 26-36/37/39-45-8 |
| UN transport number | UN 3260 8/PG 2 |
| Water hazard class (WGK) | 3 |
| RTECS number | YO7710000 |
| F | 1-10-16 |
| TSCA inventory status | TSCA listed |
| Hazard class | 8Aquatic Chronic 3Eye Dam. 1Skin Corr. 1BSTOT SE 3 |
| Packing group | II |
| Customs code | 28273990 |
| Storage class | 8A - Combustible corrosive hazardous materials |
| REACH registrations | Active |
Safety & Regulations
| GHS classification | DangerH314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 69 reports by companies from 9 notifications to the ECHA C&L Inventory. |
|---|---|
| Regulatory information | Chemical: Tungsten chloride (WCl6), (OC-6-11)-Tungsten chloride (WCl6), (OC-6-11)- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Tungsten chloride (WCl6), (OC-6-11)- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 13-12-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/21768Tungsten hexachloride: HSNO Approval: HSR006815 Approved with controls |
| Hazards summary | Corrosive to skin and eyes[eChemPortal: ERMA] Reacts with waterA corrosive substance that can cause injury to the skin, eyes, and respiratory tract[MSDSonline] |
| Hazard Classes and Categories | Skin Corr. 1B (100%) |
| Threshold Limit Values (TLV) | 3.0 [mg/m3], as W, respirable particulate matter |
| Adverse effects | Dermatotoxin - Skin burns. |
| F | 1-10-16 |
| Personal protective equipment (PPE) | Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges |
| Water hazard class (WGK) | 3 |
| TSCA inventory status | TSCA listed |
| RTECS number | YO7710000 |
| UN transport number | UN 3260 8/PG 2 |
| Customs code | 28273990 |
| Risk statements (R) | 34-29-22 |
| Signal word | Danger |
| GHS pictogram | GHS05,GHS07 |
| Hazard symbols | C |
| Safety statements (S) | 26-36/37/39-45-8 |
| Hazard class | 8Aquatic Chronic 3Eye Dam. 1Skin Corr. 1BSTOT SE 3 |
| Storage class | 8A - Combustible corrosive hazardous materials |
| Packing group | II |
| Target organs | Respiratory system |
| GHS hazard statements | H314-H335-H412 |
| REACH registrations | Active |
| GHS precautionary statements | P260-P271-P273-P280-P303+P361+P353-P305+P351+P338 |
Applications & Uses
Description
Tungsten(VI) chloride, WCl6, is a dark violet blue species that exists as a volatile solid under standard conditions. It is an important starting reagent in the preparation of tungsten compounds. As a d0 ion, W(VI) forms diamagnetic derivatives. WCl6 is octahedral with equivalent W-Cl distances of 2.24-2.26 .
Uses
Precursor to tungsten-based carbenes which catalyze the olefin metathesis reactions of 1- and 2-octene.
Uses
A precursor to tungsten based carbenes.
Uses
It is a precursor for many tungsten compounds. It is used in tungsten plating, purification of tungsten, and olefin polymerization. It is also used as petroleum catalyst, and in intelligent glass. It can be used for deoxygenation of epoxides and as a reagent in organic synthesis.
Preparation & Synthesis
Preparation
WCl6 can be prepared by chlorinating tungsten metal in a sealed tube at 600℃.W +3Cl2→WCl6