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HomeProduct name listCOBALT(II) BROMIDE HYDRATE

COBALT(II) BROMIDE HYDRATE

Synonym(s):Cobaltous bromide hydrate

  • CAS NO.:85017-77-2
  • Empirical Formula: Br2CoH2O
  • Molecular Weight: 236.76
  • MDL number: MFCD00150208
  • EINECS: 678-761-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-04-23 13:52:06
COBALT(II) BROMIDE HYDRATE Structural

What is COBALT(II) BROMIDE HYDRATE?

Chemical properties

Red violet crystal.

The Uses of COBALT(II) BROMIDE HYDRATE

Hygrometers, catalystsCobalt(II) bromide hydrate is mainly used as a catalyst in organic synthesis, like C-metal, C-heteroatom and C-C bond formations, addition to unsaturated bonds, cyclizations, polymerization, oxidations reductions and carbonylations. It reacts with ammonia to form coordination compound bromopentaamminecobalt(III) bromide. It reacts with triphenylphosphine and form complexes of cobalt(II) bromide, which used as a catalyst in organic synthesis.

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.]

Properties of COBALT(II) BROMIDE HYDRATE

Melting point: 47-48°C
Density  2,462 g/cm3
form  Crystals
color  Violet
Specific Gravity ~2.462
Water Solubility  Soluble in water.
Sensitive  Hygroscopic
Merck  14,2435
Exposure limits ACGIH: TWA 0.02 mg/m3
CAS DataBase Reference 85017-77-2

Safety information for COBALT(II) BROMIDE HYDRATE

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for COBALT(II) BROMIDE HYDRATE

InChIKey MOTZAWYGLXXRSO-UHFFFAOYSA-L

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