1.02529
Cobalt(II) acetate tetrahydrate
for analysis EMSURE® ACS
Synonym(s):
Cobalt(II) acetate tetrahydrate
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About This Item
grade
ACS reagent
Quality Segment
product line
EMSURE®
assay
99.0-101.0% (complexometric)
form
solid
impurities
≤0.01% Insoluble matter
pH
7.2 (20 °C, 50 g/L in H2O)
mp
140 °C (Elimination of water of crystallisation)
solubility
348 g/L
density
1.70 g/cm3 at 20 °C
bulk density
850 kg/m3
anion traces
chloride (Cl-): ≤0.001%, nitrate (NO3-): ≤0.01%, sulfate (SO42-): ≤0.005%
cation traces
Ca: ≤0.005%, Cu: ≤0.0005%, Fe: ≤0.001%, K: ≤0.01%, Mg: ≤0.005%, N: ≤0.002%, Na: ≤0.01%, Ni: ≤0.02%, Pb: ≤0.0005%, Zn: ≤0.001%
storage temp.
2-30°C
InChI
1S/2C2H4O2.Co.4H2O/c2*1-2(3)4;;;;;/h2*1H3,(H,3,4);;4*1H2/q;;+2;;;;/p-2
InChI key
ZBYYWKJVSFHYJL-UHFFFAOYSA-L
Analysis Note
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water): 6.0 - 8.0
Chloride (Cl): ≤ 0.001 %
Nitrate (NO₃): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.002 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.01 %
Mg (Magnesium): ≤ 0.005 %
Na (Sodium): ≤ 0.01 %
Ni (Nickel): ≤ 0.02 %
Pb (Lead): ≤ 0.0005 %
Zn (Zinc): ≤ 0.001 %
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Danger
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
Storage Class
6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
wgk
WGK 3
Certificates of Analysis (COA)
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