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TUNGSTEN (V) BROMIDE

CAS No.
13470-11-6
Chemical Name:
TUNGSTEN (V) BROMIDE
Synonyms
WBr5;Tungsten bromide;Wolfram(V) bromide;TUNGSTEN (V) BROMIDE;Tungsten pentabromide;Wolfram(V)pentabromide;Tungsten broMide (WBr5);Tungsten (V) bromide, 99+%;TUNGSTEN (V) BROMIDE ISO 9001:2015 REACH
CBNumber:
CB1388064
Molecular Formula:
Br5W
Molecular Weight:
583.36
MDL Number:
MFCD00058749
MOL File:
13470-11-6.mol
Last updated:2024-05-31 14:45:51

TUNGSTEN (V) BROMIDE Properties

Melting point 286°C
Boiling point 333°C
solubility reacts with H2O
form brown-black hygroscopic solid
color brown-black hygroscopic solid
CAS DataBase Reference 13470-11-6

SAFETY

Risk and Safety Statements

Hazard Codes  C
Risk Statements  34
Safety Statements  22-26-27-36/37/39-45
RIDADR  1759
HazardClass  8
PackingGroup  III

TUNGSTEN (V) BROMIDE Chemical Properties,Uses,Production

Description

Tungsten(V) bromide, WBr5, consists of an edge-shared bioctahedral structure, with two bridging bromide ligands, so its molecular formula is actually W2Br10. Tungsten(V) bromide is formed by reacting tungsten powder with bromine in between 650℃ and 1000℃. The product is frequently contaminated with tungsten hexabromide.

Chemical Properties

brownish violet crystal(s); high moisture sensitivity; prepared by reaction of bromine vapor on metallic tungsten at 450°C–500°C [KIR83]

Preparation

Tungsten(V) bromide is the precursor to other tungsten compounds by reduction reactions, for example, tungsten(IV) bromide can be prepared by reduction with aluminum or tungsten. WBr4 can be purified by chemical vapor transport.
3WBr5 + Al→3WBr4 +AlBr3

TUNGSTEN (V) BROMIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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TUNGSTEN (V) BROMIDE Tungsten bromide WBr5 Tungsten (V) bromide, 99+% Wolfram(V) bromide Wolfram(V)pentabromide Tungsten broMide (WBr5) Tungsten pentabromide TUNGSTEN (V) BROMIDE ISO 9001:2015 REACH 13470-11-6