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Salts & Minerals

Cobalt sulfate heptahydrate

CAS: 10026-24-1

Overview

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.

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Physical Properties

Melting Point96.8 °C
Boiling Point420 °C
Density1.95 g/cm³
AppearanceRed powder or rose pink crystalline solid. Odorless.
ColorRed-brown
FormSolid
Water Solubility362 g/L (20 ºC)
pH4 (100g/l, H2O, 20℃)
Log P-1.031 (est)

Safety & Handling

Danger GHS06 GHS07 GHS08 GHS09 Hazard Statements H301 H301 H302 H302 H317 H317 H319 H319 H334 H334 H341 H341 H350 H350 H351 H351 H360 H360 H361 H361 H372 H372 H373 H373 H400 H400 H410 H410 H413 H413 Precautionary Statements P203 P203 P233 P233 P260 P260 P261 P261 P264 P264 P270 P270 P271 P271 P272 P272 P273 P273 P280 P280 P284 P284 P318 P318 P319 P319 P321 P321 P330 P330 P391 P391 P403 P403 P405 P405 P501 P501 P264+P265 P264+P265 P301+P316 P301+P316 P301+P317 P301+P317 P302+P352 P302+P352 P304+P340 P304+P340 P333+P317 P333+P317 P337+P317 P337+P317 P342+P316 P342+P316 P362+P364 P362+P364 P305+P351+P338 P305+P351+P338

Trade & Regulatory

HS Code28332930
UN Number3082
ADR Class9
Packing GroupIII
WGK (Germany)2

Other Names

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

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Chemical Properties

CAS Number
10026-24-1
EC Number
600-050-9
Mol. Weight
281.11
HS Code
28332930

Industries

Documentation