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structure of 7789-43-7

Cobalt(II) bromide(CAS 7789-43-7)

CAS No.: 7789-43-7 Brand: MolBest
M. Ft.: Br2Co Cat. No: G6418001
M. Wt.: 218.74 MDL: MFCD00016017
Storage: Store in a cool,dry area. Use: For laboratory research use only
UN No.: UN 3077 9 /PG III
Purity Grade Package Stock Price Quantity
99.99%(metal basis), water < 0.1%
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99.99%(metal basis), water < 0.1%
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99.99%(metal basis), water < 0.1%
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99.99%(metal basis), water < 0.1%
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Extra Pure 100G In Stock 515 USD
Water<10 ppm(by K.F.),99.99%(metal basis),SafeDry, ampule
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Extra Pure 1G In Stock 34 USD
Water<10 ppm(by K.F.),99.99%(metal basis),SafeDry, ampule
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Extra Pure 5G In Stock 167 USD
Water<10 ppm(by K.F.),99.99%(metal basis),SafeDry, ampule
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Extra Pure 25G In Stock 729 USD
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Physical and chemical properties of 7789-43-7

Boiling Point

Loses 4 H2O at 212 °F. and all H2O at 266 °F. (USCG, 1999)

Decomposition

Hazardous decomposition products formed under fire conditions - Hydrogen bromide gas, cobalt/cobalt oxides

Density

4.909 at 25 °C/4 °C

Exact Mass

216.77000

Exposure Limits

ACGIH: TWA 0.02 mg/m3

Flash Point

Not Applicable. Not flammable. (USCG, 1999)

LogP

1.69120

Melting Point

Red to reddish-purple, deliquescent, prismatic crystals; melting point: 47-48 °C; specific gravity: 2.46 @ 25 °C/4 °C; loses 4H2O at 100 °C giving the purple dihydrate, and loses all water by 130 °C; soluble in water giving red or blue solution depending on concentration and temperature; in methanol giving red solution; in ethanol, acetone, ether, methyl acetate giving blue solutions /Cobalt(II) bromide hexahydrate/

Merck

14,2435

Molecular Formula

Br2Co

Molecular Weight

218.74100

pH

Acidic salts (such as cobaltous bromide) ... resulting aqueous solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases.

Sensitivity

Hygroscopic

Stability

Stable under recommended storage conditions.

Water Solubility

Soluble in water. Soluble in methyl acetate, ether, alcohol, acetone.

Q&A for CAS 7789-43-7

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Download SDS of 7789-43-7

Pictograms

Signal Word

Danger

Hazard Statements

H302+H312+H332 Harmful if swallowed, in contact with skin or if inhaled
H302 Harmful if swallowed
H312 Harmful in contact with skin
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H319 Causes serious eye irritation
H332 Harmful if inhaled
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335 May cause respiratory irritation
H341 Suspected of causing genetic defects
H350 May cause cancer
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects

Safety Data Sheet

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