Cobalt sulfate heptahydrate

CAS Number
10026-24-1
EC Number
600-050-9
Chemical Formula
Co.H2O4S.7H2O
Molecular Weight
281.11 g/mol

Description

Cobalt sulfate heptahydrate (CAS 10026-24-1), also known as cobaltous sulfate heptahydrate, is a water-soluble cobalt salt supplied primarily as a crystalline solid. It functions as a source of bioavailable cobalt across agricultural, industrial, and specialty chemical applications. In agriculture, it corrects cobalt deficiencies in livestock feed formulations and soil amendment programs where ruminant health depends on adequate trace mineral intake. This ensures optimal growth and metabolic function in cattle and sheep.

Battery and electroplating industries use it as a cobalt source in electrodeposition baths and as a precursor in the synthesis of cobalt-based cathode materials. These applications are critical for the production of modern energy storage systems. In catalyst manufacturing, it serves as a starting material for producing cobalt oxide and mixed-metal catalysts used in hydroprocessing and Fischer-Tropsch synthesis. These processes are essential for refining and chemical production.

Personal care formulators incorporate it at controlled levels in certain hair colorant systems where cobalt ions contribute to oxidative dyeing chemistry. This specialized use requires precise concentration management for safety. Cobalt sulfate heptahydrate is supplied as pink-red crystalline granules or powder. Technical and feed-grade specifications are the most commonly traded forms, with purity levels typically ranging from 98% to 99%+.

Packaging is available in bags and drums suited to bulk industrial procurement. Our supply chain ensures consistent quality and reliable delivery for large-scale manufacturing and agricultural distribution networks.

Other Names (Synonyms)

Cobalt monosulfate heptahydrate|cobaltous sulfate heptahydrate|Cobalt(II) sulfate heptahydrate|cobalt(2+) sulfate heptahydrate|Cobalt sulphate heptahydrate|Cobalt(II) sulphate heptahydrate|Cobalt(II) sulfate (1:1), heptahydrate

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point 96.8 °C
Boiling Point 420 °C
Density 1.95 g/cm³
Appearance Red powder or rose pink crystalline solid. Odorless.
Color Red-brown
Form Solid
Water Solubility 362 g/L (20 ºC)
pH 4 (100g/l, H2O, 20℃)
Log P -1.031 (est)

Documentation

Safety & Handling Learn More

Danger
GHS06· Toxic GHS07· Irritant GHS08· Health Hazard GHS09· Environmental Hazard

Hazard Statements

H301 H301
H302 H302
H317 H317
H319 H319

Precautionary Statements

P203 P203
P233 P233
P260 P260
P261 P261

Trade & Regulatory

HS Code 28332930
UN Number 3082
ADR Class 9
Packing Group III
WGK (Germany) 2
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