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7787-70-4

Name Cuprous bromide
CAS 7787-70-4
EINECS(EC#) 232-131-6
Molecular Formula BrCu
MDL Number MFCD00010969
Molecular Weight 143.45
MOL File 7787-70-4.mol

Chemical Properties

Appearance powder
Melting point  504 °C(lit.)
Boiling point  1345 °C
density  4.71 g/mL at 25 °C(lit.)
Fp  1345°C
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  insoluble in acetone
form  Powder
color  Pale green to green
Specific Gravity 4.98
Stability: Stable, but may be air or light sensitive. Incompatible with alkali metals, strong oxidizing agents.
Water Solubility  Soluble in hydrogen bromide, hydrochloric acid, and ammonium hydroxide. Slightly soluble in water. Insoluble in acetone.
Crystal Structure Hexagonal, Wurtzite (Zincite) Structure - Space Group P 63mc
Sensitive  Air Sensitive
Merck  14,2659
Solubility Product Constant (Ksp) pKsp: 8.2
Exposure limits ACGIH: TWA 1 mg/m3
NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3
InChIKey NKNDPYCGAZPOFS-UHFFFAOYSA-M
Uses
Copper bromide is also known as cupric bromide, this substance was made by double decomposition when mixing aqueous solutions of copper sulfate and potassium bromide. This greenish blue solution was used as the bleaching step for intensifying collodion and gelatin negatives.
CAS DataBase Reference 7787-70-4(CAS DataBase Reference)
NIST Chemistry Reference Copper(I) bromide(7787-70-4)
EPA Substance Registry System 7787-70-4(EPA Substance)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
RIDADR  3260
WGK Germany  3
8-10-23
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  28275900
Hazardous Substances Data 7787-70-4(Hazardous Substances Data)

Hazard Information

Material Safety Data Sheet(MSDS)

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