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Cobalt(II) acetate tetrahydrate

Product NameCobalt(II) acetate tetrahydrate
CAS6147-53-1
MFC4H14CoO8
MW249.08
EINECS612-153-6
MOL File6147-53-1.mol

Chemical Properties

Melting point	140 °C
bulk density	850kg/m3
Density	1,71 g/cm³
refractive index	1.542
storage temp.	Store at +5°C to +30°C.
solubility	348g/l
form	Solid
color	Red
Specific Gravity	1.71
Odor	Acetic acid odour
PH Range	6.8
PH	7.2 (50g/l, H2O, 20℃)
Water Solubility	380 g/L (20 ºC)
Sensitive	Hygroscopic
Merck	14,2433
BRN	3731397
Stability	Stable. Avoid moisture, heat.
InChI	1S/2C2H4O2.Co.4H2O/c21-2(3)4;;;;;/h21H3,(H,3,4);;4*1H2/q;;+2;;;;/p-2
InChIKey	ZBYYWKJVSFHYJL-UHFFFAOYSA-L
SMILES	[H]O[H].[H]O[H].[H]O[H].[H]O[H].CC(=O)O[Co]OC(C)=O
CAS DataBase Reference	6147-53-1(CAS DataBase Reference)
EPA Substance Registry System	Cobalt acetate tetrahydrate (6147-53-1)

Safety Information

Hazard Codes	Xn,N,T
Risk Statements	22-38-40-43-53-50/53-42/43-36/37/38-20/21/22-68-60-49
Safety Statements	36/37-61-45-29-24-22-37/39-36/37/39-26-60-53
RIDADR	3077
WGK Germany	2
RTECS	AG3325000
TSCA	No
HazardClass	9
PackingGroup	III
HS Code	29152300
Storage Class	6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects
Hazard Classifications	Acute Tox. 4 Oral Aquatic Acute 1 Aquatic Chronic 1 Carc. 1B Inhalation Eye Irrit. 2 Muta. 2 Repr. 1B Resp. Sens. 1 Skin Sens. 1

MSDS

Provider	Language
Cobalt(II) acetate tetrahydrate	English
SigmaAldrich	English
ACROS	English
ALFA	English

Usage And Synthesis

Chemical Properties

Reddish violet deliequecent crystals.

Uses

Cobalt(II) acetate tetrahydrate is used to prepare complexes for examination of the properties of metals with unusual coordination geometries.
used as a catalyst for oxidation and esterification.
used as an industrial catalyst to harden paints and varnishes, an active catalyst for oxidation and esterification reactions.

Uses

Cobalt(II) acetate tetrahydrate is used as an industrial catalyst to harden paints and varnishes, an active catalyst for oxidation and esterification reactions. It is also used to prepare metal complexes having unusual coordination geometry.

Uses

Cobalt(II) acetate tetrahydrate may be used in the preparation of [Co₃(OH)₂(H₂O)₂(aptet)₄] (aptet = 4-aminophenyltetrazolate) and new tetradentate cobalt(II)-Schiff base complex.

Application

Cobalt(II) acetate tetrahydrate may be used in the synthesis of the following:

cobalt nanoparticles.
cobalt(II)–aminophenyltetrazolate coordination polymer.
tricobalt complexes with mixed μ-acetato and μ-pyrazolato ligands.

General Description

Cobalt(II) acetate tetrahydrate has an octahedral structure, the central cobalt orbit is coordinated by four water molecules and two acetate ligands. Cobalt(II) acetate tetrahydrate becomes anhydrous by 140^oC.

reaction suitability

reagent type: catalyst
core: cobalt

Safety Profile

Moderately toxic by ingestion. Questionable carcinogen. A skin and eye irritant. Human mutation data reported. See also COBUT COMPOUNDS. When heated to decomposition it emits acrid smoke and irritating fumes.

Purification Methods

Several recrystallisations from 50% aqueous acetic acid give the tetrahydrate. It is converted to the anhydrous salt by drying at 80o/1mm for 60hours. [Beilstein 2 IV 120.]

Cobalt(II) acetate tetrahydrate

Chemical Properties

Safety Information

MSDS

Usage And Synthesis

Preparation Products And Raw materials

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