1.02556

Cobalt(II) sulfate heptahydrate

for analysis EMSURE^®

• Synonym(s): Cobalt(II) sulfate heptahydrate
• Empirical Formula (Hill Notation): CoO₄S · 7H₂O
• CAS Number: 10026-24-1
• Molecular Weight: 281.10
• UNSPSC Code: 12352302
• EC Index Number: 233-334-2

Properties

• Quality Level: 300
• product line: EMSURE^®
• assay: ≥99% (CoSO₄.7H₂O basis, complexometric)
• form: solid
• potency: 582 mg/kg LD₅₀, oral (Rat)
• pH: 4 (20 °C, 100 g/L in H₂O)
• mp: 98 °C
• solubility: 362 g/L
• density: 1.95 g/cm³ at 20 °C
• bulk density: 900 kg/m³
• anion traces: chloride (Cl^-): ≤0.001%
• cation traces: Ca: ≤0.005%; Cu: ≤0.001%; Fe: ≤0.0005%; N: ≤0.002%; Na: ≤0.01%; Ni: ≤0.005%; Pb: ≤0.001%; Zn: ≤0.005%
• storage temp.: 2-30°C
• InChI: 1S/Co.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
• InChI key: MEYVLGVRTYSQHI-UHFFFAOYSA-L

Description

Linkage

Replaces: CX1825; CX1825-2

Analysis Note

Assay (complexometric, CoSO₄ 7 H₂O): ≥ 99 %
Chloride (Cl): ≤ 0.001 %
Total nitrogen (N): ≤ 0.002 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
Na (Sodium): ≤ 0.01 %
Ni (Nickel): ≤ 0.005 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.005 %

Legal Information

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

Safety Information

• pictograms: GHS07,GHS08,GHS09
• signalword: Danger
• hcodes: H302 - H317 - H319 - H334 - H341 - H350i - H360F - H410
• pcodes: 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: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable