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Merck
CN

1.02554

Cobalt(II) nitrate hexahydrate

for analysis (max. 0.001% Ni) EMSURE® ACS,Reag. Ph Eur

Synonym(s):

Cobalt(II) nitrate hexahydrate

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About This Item

Linear Formula:
Co(NO3)2 · 6 H2O
CAS Number:
Molecular Weight:
291.03
UNSPSC Code:
12352302
EC Index Number:
233-402-1
NACRES:
NA.21
MDL number:
Assay:
99.0-102.0% (Co(NO3)2.6H2O basis, complexometric)
Grade:
ACS reagent
Form:
solid
Solubility:
2170 g/L
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grade

ACS reagent

Quality Level

agency

reag. Ph. Eur.

product line

EMSURE®

assay

99.0-102.0% (Co(NO3)2.6H2O basis, complexometric)

form

solid

potency

691 mg/kg LD50, oral (Rat)

impurities

≤0.005% Insoluble matter

pH

4.0 (20 °C, 100 g/L in H2O)

mp

57 °C

solubility

2170 g/L

density

1.87 g/cm3 at 20 °C

bulk density

800 kg/m3

anion traces

chloride (Cl-): ≤0.001%, sulfate (SO42-): ≤0.005%

cation traces

Ca: ≤0.005%, Cu: ≤0.001%, Fe: ≤0.001%, K: ≤0.01%, Mg: ≤0.005%, Mn: ≤0.002%, NH4+: ≤0.05%, Na: ≤0.05%, Ni: ≤0.001%, Pb: ≤0.001%, Zn: ≤0.005%

storage temp.

2-30°C

InChI

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

InChI key

QGUAJWGNOXCYJF-UHFFFAOYSA-N

Analysis Note

Assay (complexometrically, Co(NO₃)₂·6H₂O): 99.0 - 102.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.005 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.01 %
Mg (Magnesium): ≤ 0.005 %
Mn (Manganese): ≤ 0.002 %
Na (Sodium): ≤ 0.05 %
NH₄ (Ammonium): ≤ 0.05 %
Ni (Nickel): ≤ 0.001 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.005 %

Other Notes

Replaces: CX1810-6; CX1810

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany


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signalword

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

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

监管及禁止进口产品

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Global Trade Item Number

SKUGTIN
102554005004022536034713
102554025004022536034720