1.02529

Cobalt(II) acetate tetrahydrate

for analysis EMSURE^® ACS

• Synonym(s): Cobalt(II) acetate tetrahydrate
• Linear Formula: (CH₃COO)₂Co · 4 H₂O
• CAS Number: 6147-53-1
• Molecular Weight: 249.08
• MDL number: MFCD00149569
• UNSPSC Code: 12352103
• EC Index Number: 200-755-8

Properties

• grade: ACS reagent
• Quality Level: 300
• 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 (SO₄^2-): ≤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

Description

Analysis Note

Assay (complexometric): 99.0 - 101.0 %
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 %

Legal Information

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

Safety Information

• Pictograms: GHS07,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H302 - H317 - H319 - H334 - H341 - H350i - H360F - H410
• Precautionary Statements: P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• 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 Code: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 3