COBALT(II) BROMIDE

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COBALT(II) BROMIDE

Product Name: COBALT(II) BROMIDE
CAS No.: 7789-43-7
Chemical Name: COBALT(II) BROMIDE
Synonyms: CoBr2;COBALT BROMIDE;dibromocobalt;cobaltdibromide;COBALTOUS BROMIDE;COBALT(+2)BROMIDE;COBALT(II) BROMIDE;Cobalt(Ⅱ) Bromide;Cobalt(ll) bromide;cobaltbromide(cobr2)
CBNumber: CB4144320
Molecular Formula: Br2Co
Formula Weight: 218.74
MOL File: 7789-43-7.mol

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COBALT(II) BROMIDE Property

Melting point:: 678°C
Density: 4.909 g/mL at 25 °C(lit.)
solubility: acetone: soluble(lit.)
form: beads
color: Green
Specific Gravity: 4.909
Water Solubility: Soluble in water. Soluble in methyl acetate, ether, alcohol, acetone.
Sensitive: Hygroscopic
Merck: 14,2435
Exposure limits: ACGIH: TWA 0.02 mg/m3
CAS DataBase Reference: 7789-43-7(CAS DataBase Reference)
EPA Substance Registry System: Cobalt bromide (7789-43-7)

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Safety

Hazard Codes: T,Xn
Risk Statements: 45-20/21/22-36/37/38-42/43
Safety Statements: 36-45-36/37/39-26-22-53
RIDADR: UN 3077 9 / PGIII
WGK Germany: 3
RTECS: GF9595000
TSCA: Yes
Hazardous Substances Data: 7789-43-7(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H302Harmful if swallowed

H317May cause an allergic skin reaction

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

H341Suspected of causing genetic defects

H350May cause cancer

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P202Do not handle until all safety precautions have been read and understood.

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.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 334022
Product name: Cobalt(II) bromide
Purity: 99%
Packaging: 50g
Price: $83.8
Updated: 2024/03/01

Sigma-Aldrich

Product number: 334022
Product name: Cobalt(II) bromide
Purity: 99%
Packaging: 250g
Price: $332
Updated: 2024/03/01

Alfa Aesar

Product number: 023149
Product name: Cobalt(II) bromide, anhydrous, 97%
Packaging: 50g
Price: $89.2
Updated: 2024/03/01

Alfa Aesar

Product number: 023149
Product name: Cobalt(II) bromide, anhydrous, 97%
Packaging: 250g
Price: $390
Updated: 2024/03/01

Sigma-Aldrich

Product number: 427136
Product name: Cobalt(II) bromide
Purity: anhydrous, beads, 10 mesh, 99.99% trace metals basis
Packaging: 1g
Price: $102
Updated: 2024/03/01

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COBALT(II) BROMIDE Chemical Properties,Usage,Production

Chemical Properties

Reddish violet crystalline powder

Chemical Properties

The green anhydrous salt is prepared by dehydration of the red hexahydrate or by the action of bromine on heated cobalt. It is very soluble in water and soluble in many polar organic solvents; it deliquesces in moist air to a red solution. The hexahydrate crystallizes from aqueous solution at room temperature; it melts at 100°, evolving water and forming the purple dihydrate.

Uses

Cobalt(II) bromide is used as a catalyst in organic synthesis. It is used as a precursor in the production of ethylsulfanyl)porphyrazinato)cobalt(II), which gives the possibility of intermolecular ferromagnetic interactions.

Uses

Used in the preparation of a new complex, Co(OESPz), which offers the possibility of intermolecular ferromagnetic interactions.1

Preparation

Cobalt(II) bromide (CoBr2) is on its anhydrous form a green solid that is soluble in water, used primarily as a catalyst in some processes. Cobalt(II) bromide can be formed as a hydrate by the reaction of cobalt hydroxide with hydrobromic acid.
Co (OH) 2 (s)+2HBr (aq)→CoBr2.6H2O(aq)

General Description

COBALT(II) BROMIDE is a red violet crystalline solid. COBALT(II) BROMIDE is soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. COBALT(II) BROMIDE is used as a catalyst in the production of other chemicals.

Air & Water Reactions

Water soluble.

Reactivity Profile

Acidic salts, such as COBALT(II) BROMIDE, are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions. When heated to decomposition can give off highly toxic fumes of Br [USCG, 1999].

Health Hazard

SOLID: Irritating to skin and eyes. Harmful if swallowed.

Fire Hazard

Not flammable. POISONOUS FUMES ARE PRODUCED WHEN HEATED TO DECOMPOSITION. When heated to decomposition can give off highly toxic fumes of Br.

Purification Methods

Crystallise it from water (1mL/g) by partial evaporation in a desiccator. The anhydrous salt is soluble in EtOH, Me2CO, MeOAc to form blue-coloured solutions. [Glemser in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II p 1517 1965.]

COBALT(II) BROMIDE Preparation Products And Raw materials

Raw materials

Preparation Products

ETHYL 4-ACETYLBENZOATE 3-ACETYLBENZONITRILE 3-(2-BROMOACETYL)BENZOIC ACID 3-(2-METHYL-1,3-THIAZOL-4-YL)BENZOIC ACID 3-ACETYLBENZOIC ACID 3-(2-Bromoacetyl)benzonitrile

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7789-43-7, COBALT(II) BROMIDERelated Search:

COBALT(II) BROMIDE,COBALT(II) BROMIDE HEXAHYDRATE,COBALT(II) BROMIDE HEXAHYDRATE, 99.5%,COBALT (II) BROMIDE, HYDROUS Cobalt(II) hydroxide Cobalt sulfate heptahydrate Nickel chloride IRON (II) FLUORIDE Copper(II) chloride Cuprous oxide Cobalt oxide Cobalt chloride Potassium dichromate COBALT(II) SULFATE HYDRATE COBALT(II) SULFATE HYDRATE Cobaltous nitrate hexahydrate COBALT(III) FLUORIDE Sodium acetate CERIC SULFATE Sodium sulfite Monosodium phosphate

COBALT(II) BROMIDE

COBALT BROMIDE

COBALT(+2)BROMIDE

COBALTOUS BROMIDE

Cobalt(Ⅱ) Bromide, Anhydrous

Cobalt(II) bromide, anhydrous≥ 98% (Metal basis)

Cobalt bromide (CoBr2)

cobalt(ii)bromideanhydrous

cobaltbromide(cobr2)

cobaltdibromide

CoBr2

Mancobride mancanese

COBALT BROMIDE, ANHYDROUS REAGENT

COBALTOUS BROMIDE HYDRATE

COBALT(II) BROMIDE, ANHYDROUS, 99.99%

Cobalt(II)bromide,ultradry,99.99%(metalsbasis)

cobalt(ii) bromide, ultra dry

Cobalt(II) bromide, anhydrous, Co 26.6% min

Cobaltous bromide: (Cobalt(II) bromide)

Cobaltous bromide anhydrous

Cobalt bromide 1g [7789-43-7]

Cobalt(II) dibromide

Cobalt(II) bromide 99%

Cobalt(Ⅱ) Bromide

COBALT(II) BROMIDE ISO 9001：2015 REACH

Cobalt(II) bromide Beads

dibromocobalt

Cobalt(ll) bromide

Anhydrous COBALT(II) BROMIDE

7789-43-7

CoBr26H2O

Cobalt Salts

CobaltMetal and Ceramic Science

Crystal Grade Inorganics

Metal and Ceramic Science

Salts

27: Co

Beaded Materials

Cobalt

Cobalt Salts

Crystal Grade Inorganics

Materials Science

Metal and Ceramic Science