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CUPROUS BROMIDE

CAS 7787-70-4BrCuMW 143.45

CUPROUS BROMIDE (CAS 7787-70-4) — formula BrCu, molecular weight 143.45.

Specifications

CAS Number7787-70-4
Molecular FormulaBrCu
Molecular Weight143.45
Melting Point939.2 °F (USCG, 1999)
Boiling Point2453 °F at 760 mmHg (USCG, 1999)

Purchase Profile

What this product is

CUPROUS BROMIDE is a chemical compound with CAS registry number 7787-70-4 and molecular formula BrCu (molecular weight 143.45).

Identification

CAS number: 7787-70-4

Its molecular formula BrCu comprises 1 Br, 1 Cu atoms.

Also known as: CUPROUS BROMIDE · Copper(I) bromide

Frequently Asked Questions

What is the CAS number of CUPROUS BROMIDE?

The CAS registry number of CUPROUS BROMIDE is 7787-70-4.

What is the molecular formula and molecular weight of CUPROUS BROMIDE?

Molecular formula BrCu, molecular weight 143.45.

What other names is CUPROUS BROMIDE known by?

It is also registered under: CUPROUS BROMIDE, Copper(I) bromide.

PubChem Public Data

Public-database records for CUPROUS BROMIDE (CAS 7787-70-4), reproduced here for independent cross-checking.

Safety classification and hazard statements

Reported hazard statementsH302, H312 (12.3%), H315 (99.6%), H318 (72.4%), H319 (27.2%), H335 (27.2%), H400 (73.7%), H410 (74.1%)

H302+H312 (12.3%): Harmful if swallowed or in contact with skin [Warning Acute toxicity, oral; acute toxicity, dermal]

H302 (75.3%): Harmful if swallowed [Warning Acute toxicity, oral]

Regulatory listings

Regulatory & Food ContactFDA Cumulative Estimated Daily Intake (CEDI): FCS
FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS

Physical description and handling notes

  • Copper (i) bromide appears as white powder or crystal. Turns green to dark blue on exposure to sunlight. Sinks and mixes slowly with water. (USCG, 1999)
  • White solid; Becomes green to dark-blue on sunlight exposure; Slightly soluble in cold water; Decomposed by hot water; [Merck Index] Powder; Isoluble in water; [Sigma-Aldrich MSDS]
  • White powder or cubic crystals (zinc blende structure)
  • White tetrahedral crystals
  • White crystalline solid becoming green in light
  • Slightly sol in cold water; sol in hydrochloric acid, hydrobromic acid, ammonium hydroxide with the formation of complexes; practically insoluble in acetone, concentrated sulfuric acid

Reported physical properties

沸点2453 °F at 760 mmHg (USCG, 1999)
沸点1345 °C
熔点939.2 °F (USCG, 1999)
熔点504 °C
密度4.72 @ 25 °C/4 °C
蒸气压1 MM HG @ 572 °C

How this substance is indexed

CAS Registry Number7787-70-4
PubChem CID24593
分子式BrCu
IUPAC 名称bromocopper
UNII（FDA）R8V209A5G0

Documented uses

  • Used as a polymerization catalyst; [HSDB]
  • As a catalyst for organic reactions
  • As a polymerization catalyst for organic reactions.
  • Prepn: Briggs, J Chem Soc 127: 496 (1925); Keller, Wycoff, Inorg Syn 2: 3 (1946); Wagner, Wagner, J Chem Phys 26: 1597 (1957).
  • ... By reducing copper(II) sulfate soln containing potassium bromide with sulfur dioxide or other standard reducing agents, or with metallic copper.
  • Prepared pyrometallurgically or by reducing a copper(II) sulfate solution in the presence of sodium bromide, usually with sulfur dioxide or metallic copper.

Names this substance appears under

Copper(I) bromide; 7787-70-4; CUPROUS BROMIDE; Bromocopper; Copper(1+) bromide; Copper monobromide; Copper bromide (CuBr); UNII-R8V209A5G0; HSDB 270; EINECS 232-131-6; DTXSID6052530; RefChem:127896; DTXCID3031103; 232-131-6; COPPER(I) BROMIDE [HSDB]; CUPROUS BROMIDE [MI]

Computed molecular descriptors

分子量143.45
氢键供体数0
氢键受体数0
可旋转键数0
精确质量141.84793
单同位素质量141.84793
拓扑极性表面积0
重原子数2
形式电荷0
复杂度2

Database abstract

CUPROUS BROMIDE · CAS 7787-70-4 · BrCu. UNII R8V209A5G0. 沸点: 2453 °F at 760 mmHg (USCG, 1999); 沸点: 1345 °C; 熔点: 939.2 °F (USCG, 1999).

Source: PubChem / Wikidata; the batch COA governs where values differ.

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