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Copper(I) bromide
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"CuBr" redirects here. For the "Centro Universitario de Bienestar Rural", see FUNDAEC.
Copper(I) bromide is the chemical compound with the formula CuBr. This white diamagnetic solid adopts a polymeric structure akin to that for zinc sulfide. The compound is widely used in the synthesis of organic compounds and as a lasing medium in copper bromide lasers.
Quick Facts Names, Identifiers ...
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Names | |
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Other names
Cuprous bromide | |
Identifiers | |
3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.029.210 ![]() |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
CuBr | |
Molar mass | 143.45 g/mol |
Appearance | white powder (see text) |
Density | 4.71 g/cm3, solid |
Melting point | 492 °C (918 °F; 765 K) |
Boiling point | 1,345 °C (2,453 °F; 1,618 K) |
insoluble; slightly soluble in cold water | |
Solubility product (Ksp) |
6.27×10−9[1] |
Solubility | soluble in HCl, HBr, ammonium hydroxide, acetonitrile negligible in acetone, sulfuric acid |
−49.0×10−6 cm3/mol | |
Refractive index (nD) |
2.116 |
1.46 D | |
Hazards | |
Flash point | Non-flammable |
NIOSH (US health exposure limits): | |
PEL (Permissible) |
TWA 1 mg/m3 (as Cu)[2] |
REL (Recommended) |
TWA 1 mg/m3 (as Cu)[2] |
IDLH (Immediate danger) |
TWA 100 mg/m3 (as Cu)[2] |
Related compounds | |
Other anions |
Copper(I) chloride Copper(I) iodide |
Other cations |
Silver(I) bromide Copper(II) bromide Mercury(I) bromide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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