Cuprous bromide

ChemicalBook > CAS DataBase List > Cuprous bromide

Product Name: Cuprous bromide
CAS No.: 7787-70-4
Chemical Name: Cuprous bromide
Synonyms: COPPER BROMIDE;COPPER(I) BROMIDE;cooper bromide;Kupferbromid;Bromocopper(I);CUPROUS BROMIDE;Cupper(Ⅰ)bromide;COPPER(+1)BROMIDE;Copper(l) bromide;coppermonobromide
CBNumber: CB7311066
Molecular Formula: BrCu
Formula Weight: 143.45
MOL File: 7787-70-4.mol

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Cuprous bromide Property

Melting point:: 504 °C(lit.)
Boiling point:: 1345 °C
Density: 4.71 g/mL at 25 °C(lit.)
Flash point:: 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
Water Solubility: Soluble in hydrogen bromide, hydrochloric acid, and ammonium hydroxide. Slightly soluble in water. Insoluble in acetone.
Sensitive: Air Sensitive
Crystal Structure: Hexagonal, Wurtzite (Zincite) Structure - Space Group P 63mc
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
Stability:: Stable, but may be air or light sensitive. Incompatible with alkali metals, strong oxidizing agents.
InChIKey: NKNDPYCGAZPOFS-UHFFFAOYSA-M
CAS DataBase Reference: 7787-70-4(CAS DataBase Reference)
NIST Chemistry Reference: Copper(I) bromide(7787-70-4)
EPA Substance Registry System: Copper bromide (CuBr) (7787-70-4)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38-22
Safety Statements: 22-24/25-26-37/39
RIDADR: 3260
WGK Germany: 3
F: 8-10-23
TSCA: Yes
HazardClass: 8
PackingGroup: III
HS Code: 28275900
Hazardous Substances Data: 7787-70-4(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H315Causes skin irritation

H318Causes serious eye damage

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 923060
Product name: Copper(I) bromide
Purity: 99.9% trace metals basis
Packaging: 25G
Price: $81.6
Updated: 2024/03/01

Sigma-Aldrich

Product number: 923060
Product name: Copper(I) bromide
Purity: 99.9% trace metals basis
Packaging: 100G
Price: $265
Updated: 2024/03/01

Sigma-Aldrich

Product number: 923052
Product name: Copper(I) bromide
Purity: 99.99% trace metals basis
Packaging: 25G
Price: $111
Updated: 2024/03/01

Sigma-Aldrich

Product number: 923052
Product name: Copper(I) bromide
Purity: 99.99% trace metals basis
Packaging: 100G
Price: $303
Updated: 2024/03/01

Sigma-Aldrich

Product number: 212865
Product name: Copper(I) bromide
Purity: 98%
Packaging: 50g
Price: $59.9
Updated: 2024/03/01

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Cuprous bromide Chemical Properties,Usage,Production

Chemical Properties

Copper(I) bromide is a Pale green to green poeder that decomposes on exposure to light or moisture in air. It forms complexes with hydrochloric and hydrobromic acids and aqueous ammonia.

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.

Uses

It is used as effective catalyst for tetrahydropyranylation of alcohols. It can also be used in combination with palladium in catalytic synthesis of 3-haloindoles through annulation process. It is widely used in the synthesis of organic fine chemicals. The compound is widely used in the synthesis of organic compounds. It is also useful for copper-mediated coupling reactions. A silica gel support copper bromide hexa methyltriethylenetetramine complex has shown useful application for the atom transfer radical polymerization of methyl methacrylate in toluene.

Uses

As catalyst for organic reactions.

Preparation

It is prepared pyrometallurgically with copper metal and elemental bromine in a process similar to that for copper(I) chloride. It can also be produced by the reduction of copper(II) sulfate solutions in the presence of sodium bromide using metallic copper or sulfite as the reducing agent. Copper(I) bromide is used as a polymerization catalyst in organic reactions.

General Description

White powder or crystal. Turns green to dark blue on exposure to sunlight. Sinks and mixes slowly with water.

Air & Water Reactions

Mixes slowly with water.

Reactivity Profile

Cuprous bromide has weak oxidizing or reducing powers. Redox reactions can however still occur. The majority of compounds in this class are slightly soluble or insoluble in water. If soluble in water, then the solutions are usually neither strongly acidic nor strongly basic. These compounds are not water-reactive.

Health Hazard

INHALATION: Irritation of upper respiratory tract. EYES: Irritation of conjunctivae. SKIN: Irritation, acne-like rash (usually from prolonged exposure). INGESTION: Vomiting caused by local irritant and astringent action of ionic Cu on stomach and intestines. Pain in mouth, esophagus, and stomach. Inorganic bromides produce depression, psychoses, and mental deterioration.

reaction suitability

reagent type: catalyst
core: copper

Purification Methods

Purify it as for cuprous iodide but using aqueous NaBr. [Keller & Wycoff Inorg Synth II 3 1946, Glemser & Sauer in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II p 1006 1965.]

Cuprous bromide Preparation Products And Raw materials

Raw materials

Potassium bromide Copper(II) sulfate

Preparation Products

4-Chloro-2-fluorophenylboronic acid 4-Bromo-2-methylbenzonitrile 2-Methoxy-6-methylbenzoic acid 3-Bromobenzotrifluoride 2,5-DIBROMONICOTINALDEHYDE 2,3-Dibromopyridine 6-Bromoindole-3-carboxaldehyde 2-Bromochlorobenzene 2-Bromo-1,3-benzothiazole 1-(2,4-DICHLORO-5-FLUORO-3-METHOXYPHENYL)ETHANONE Ethyl 3-furancarboxylate 4,4-DIMETHYL-2-PENTANONE 2-METHOXYFURAN 7-Chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxoquinoline-3-carboxylic acid PLUMBAGIN 2,6-Dimethylbenzyl alcohol 1-Bromo-2-nitrobenzene N,N,N',N'-TETRAMETHYLBENZIDINE 2,4-DICHLORO-5-FLUORO-3-METHOXYBENZOIC ACID tetrahydro-2-furyl acetate N-(2-THIOPHENECARBOMYL)PYRIDINIUM BROMIDE 2-BROMO-5-METHYLBENZOIC ACID 1-Bromo-3,4,5-trimethoxybenzene 2,4-Dichloro-5-fluoro-3-methoxybenzoyl chloride 4-Bromotoluene 1,2-Dibromobenzene 2-Bromo-5-fomylthiazole 4-Bromo-2,3,5,6-tetrafluoropyridine 5-Bromo-1,3-dimethyl-1H-pyrazole 3-MORPHOLINOPHENYLBORONIC ACID PINACOL ESTER 3-FURANMETHANOL 3-CARBOXY-4-CHLOROBENZENEBORONIC ACID 7-bromoindoline 4-Hex-1-ynylbenzaldehyde 1-[2-Hydroxy-2(2-thienyl)ethyl]pyridinium bromide 3-METHYLCYCLOHEXANONE 1-Bromo-3,4-difluorobenzene 3-BROMO-1,5-DIMETHYL-1H-PYRAZOLE 3-BROMO-2,6-DICHLORO-5-FLUORO-1-METHOXYBENZENE 3-Bromophenol

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View Lastest Price from Cuprous bromide manufacturers

Hebei Weibang Biotechnology Co., Ltd

Product: Cuprous bromide 7787-70-4
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-11-20

Hebei Yanxi Chemical Co., Ltd.

Product: Cuprous bromide 7787-70-4
Price: US $0.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 20tons
Release date: 2023-10-12

Hebei Chuanghai Biotechnology Co,.LTD

Product: Cuprous bromide 7787-70-4
Price: US $9.00/KG
Min. Order: 1KG
Purity: 99.8%
Supply Ability: 100tons
Release date: 2024-08-23

7787-70-4, Cuprous bromideRelated Search:

Copper Cupric bromide Copper(I) bromide-dimethyl sulfide Tetrabutylammonium bromide Calcium bromide Ammonium bromide Sodium bromate Copper(II) sulfate Hydrogen bromide Copper(I) chloride Sodium bromide Benzyl bromide Potassium bromide Ethidium bromide Phosphorus tribromide IRON (II) BROMIDE Clidinium bromide Boron tribromide

COPPER BROMIDE

COPPER(+1)BROMIDE

COPPER(I) BROMIDE

Copper(I) broMide 99.999% trace Metals basis

Copper(I) broMide, 98.5%

Copper(i) bromide, 98%, extra pure

Copper(I) bromide, min. 98%

Bromocopper(I)

Copper(I) bromide, Puratronic, 99.998% (metals basis)

Cuprous bromide,98%

COPPER(I)BROMIDE(RG)

Copper(I) broMide, extra pure, 98% 250GR

Copper(I)bromide,min.98%

copper(i) bromide, puratronic

CuBr Copper(I)bromide

COPPER(I) BROMIDE, 99.999%

Copper(I) bromide, Puratronic(R), 99.998% (metals basis)

Copper(I) bromide beads, -10 mesh, 99.99% trace metals basis

Copper(I) bromide purum p.a., >=98.0% (RT)

Copper(l) bromide

cooper bromide

Copper(I) bromide, ampuled under argon, 99.995% trace metals basis

CUPROUS BROMIDE

copperbromide(cubr)

coppermonobromide

Copperbromideoffwhitepowder

Cupper(Ⅰ) bromide

Copper(I) bromide, 99.999% metals basis

Copper(I)Bromide,>98%

CuprousBromide(Anhydrous)

Copper(I)bromide,95%min.

Copper(I)bromide,97%

Copper(I) bromide, extra pure, 98%

CUPROUS BROMIDE 99.999%

Copper(Ⅰ) bromide

Copper(I) bromide, 99%, for synthesis

Copper(I) Bromide, 99.9%

Copper(I) bromide (99.99%-Cu) PURATREM

Cuprous bromide ISO 9001：2015 REACH

Kupferbromid

Cupper(Ⅰ)bromide

Cuprous Bromide pure, 98.5%

CUPROUS BROMIDE ANHYDROUS Extra Pure

Copper bromide (CuBr) (8CI, 9CI, ACI)

Copper (I) Bromide Anhydrous 97% Extrapure

Copper(I) bromide, 99.998% (metals basis),powder

CUPROUS BROMIDE ANHYDROUS 97%

7787-70-4

787-70-4

CuBr

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