Item Index Index Index
Reagent grade A.R. Reagent grade C.P. Technical grade
Assay % ≥99.5 ≥98.5 ≥98.0
Water insoluble% ≤0.005 ≤0.01 ≤0.02
Chlorides(Cl) % ≤0.002 ≤0.005 ≤0.02
Total N % ≤0.05 ≤0.05 ——
Mn% ≤0.005 ≤0.02 ≤0.02
Fe% ≤0.001 ≤0.005 ≤0.01
Ni% ≤0.01 ≤0.1 ≤0.1
Zn% ≤0.005 ≤0.02 ≤0.02
Na% ≤0.01 ≤0.05 ≤0.05
Ca% ≤0.005 ≤0.025 ≤0.05
Cu% ≤0.001 ≤0.005 ≤0.01


Packing& Storage

Packing 25kg cardboard drum, lined with double-layer plastic bag
Storage 20℃, 2 years.
Shipping Room temperature in China; may vary elsewhere


General Information

1.1 Chemical & Physical Properties

Common Names Cobaltous Sulphate | Cobalt sulfate heptahydrate
CAS No. 10026-24-1 Boiling Point (℃) 735°C
Molecular Weight 281.10300 Melting Point (℃) 98 °C
Appearance Red crystals or crystalline powder Vapor Specific Gravity N/A
HS Code 28332930 Flash Point (℃) N/A
Solubility Soluble in water Autoignition Temperature (℃) N/A


1.2 Safety Information

Safety Phrases  S53-S23-S36/37-S45-S61-S60-S22
RIDADR UN 3082 9/PG 3
WGK Germany 2
Packaging Group III
Hazard Class N/A


Inhalation Cough. Sore throat. Use local exhaust or breathing protection. Fresh air, rest.
Skin Redness. Burning sensation. Itching. Protective gloves. Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes Redness. Pain. Wear safety goggles. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion Abdominal pain. Nausea. Vomiting. Do not eat, drink, or smoke during work. Wash hands before eating. Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention .


1.3 Synthetic Route

Cobalt metal method: the metal cobalt plate is dissolved in the mixed acid of sulfuric acid and nitric acid, heated to boiling with steam, and then concentrated, crystallized and separated the mother liquor after the reaction to obtain cobalt sulfate …


This product is mainly used in cobalt electroplating solution, also used as cobalt ferromagnetic material, paint drier, glaze for colored porcelain, additive for alkaline battery, chemical analysis reagent and catalyst, etc.

Safety information?

Do not breathe dust, gas, fumes, vapour, spray.
Wear suitable protective clothing and gloves.
In case of accident or if you feel unwell, seek medical advice immediately and show the label if possible.
Avoid exposure and obtain special instructions before use.
This material and its container must be disposed of as hazardous waste.
Avoid release to the environment. Refer to special instructions and safety data sheets.
Harmful if swallowed.
It may cause sensitization by inhalation and skin contact. And it may cause cancer by inhalation.
It is Very toxic to aquatic organisms, which may cause long-term adverse effects in the aquatic environment.