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05-5230

Sigma-Aldrich

Cobalt(II) nitrate hexahydrate

JIS special grade, ≥98.0%

Synonym(s):

Cobaltous nitrate, Cobaltous nitrate hexahydrate, Nitric acid, cobalt(II) salt

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About This Item

Linear Formula:
Co(NO3)2 · 6H2O
CAS Number:
10026-22-9
Molecular Weight:
291.03
MDL number:
MFCD00149647
UNSPSC Code:
12352302
PubChem Substance ID:
329748085

grade

JIS special grade

assay

≥98.0%

form

crystalline

reaction suitability

reagent type: catalyst
core: cobalt

availability

available only in Japan

pH

4 (20 °C, 100 g/L)

mp

55 °C (lit.)

SMILES string

O.O.O.O.O.O.[Co++].[O-][N+]([O-])=O.[O-][N+]([O-])=O

InChI

1S/Co.2NO3.6H2O/c;2*2-1(3)4;;;;;;/h;;;6*1H2/q+2;2*-1;;;;;;

InChI key

QGUAJWGNOXCYJF-UHFFFAOYSA-N

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Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Dam. 1 - Muta. 2 - Ox. Sol. 2 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1 - STOT RE 2 Inhalation

target_organs

Lungs

Storage Class

5.1B - Oxidizing hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
U1467
U7160
U2994
U2993
U0750

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C Romaguera et al.
Contact dermatitis, 8(6), 383-388 (1982-11-01)
4 patients with chronic photocontact dermatitis were sensitive to cobalt salts. They presented as cases of contact dermatitis from cement or pig fodder with persistent lesions on exposed areas. Only 2 of them had standard patch test positive reactions to
T Shahwan et al.
Journal of colloid and interface science, 277(1), 23-28 (2004-07-28)
The sorption behavior of Ba(2+) and Co(2+) ions on a natural clay sample rich in kaolinite was studied using time-of-flight secondary ion mass spectrometry (ToF-SIMS). Depth profiling at 10-A steps was performed up to a 70-A matrix depth of the
H H Chen et al.
Nucleic acids research, 10(11), 3561-3571 (1982-06-11)
Transient electric dichroism measurements have been used to observe the rotational relaxation times of 145 base pair fragments of poly (dGm5dC) and random sequence DNA to solution. From these the lengths of the fragments are calculated and the interbase pair
A time-resolved in situ quick-XAS investigation of thermal activation of Fischer-Tropsch silica-supported cobalt catalysts.
Jingping Hong et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 18(10), 2802-2805 (2012-02-07)
J M Llobet et al.
Revista espanola de fisiologia, 39(3), 291-298 (1983-09-01)
The acute toxicities of chloride, acetate, cobalt nitrate and cobalt sulphate (II) were investigated in rats. The values obtained for the LD50 (7 days) were 133, 194, 198 and 279 mg of Co/kg respectively, when the salts were given orally.
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