SoleChem

Cobalt chloride hexahydrate

CAS
7791-13-1
EC
616-574-6
Mol. Weight
237.93 g/mol

Description

Cobalt chloride hexahydrate (CAS 7791-13-1), also known as cobalt (II) chloride hexahydrate, is an inorganic cobalt salt supplied as a distinctive pink-to-red crystalline solid.

It functions across industrial chemistry as a catalyst precursor, colorant, and surface treatment agent, with demand driven by its reactivity and solubility in aqueous and polar systems.

In electroplating and surface finishing, it is used to deposit cobalt-containing layers that improve hardness and corrosion resistance on metal substrates for various industrial applications.

Textile and leather processors apply it as a dye mordant, fixing colorants to fiber and improving wash fastness in finished goods to ensure long-lasting color quality and durability.

Agricultural formulations incorporate it as a cobalt micronutrient source in fertilizers and animal feed supplements where cobalt deficiency must be corrected for optimal livestock health.

In catalyst manufacturing, it serves as a precursor for hydrodesulfurization and Fischer-Tropsch catalysts, where controlled cobalt loading on support materials is critical to performance.

Cobalt chloride hexahydrate is supplied as pink crystalline powder or granules. Standard commercial grades include technical, reagent, and laboratory-grade material for diverse uses.

Purity levels typically range from 97% to 99%+. Packaging ranges from small drums to bulk quantities depending on specific application requirements and logistical needs of the client.

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Physical Properties

Melting Point 86 °C
Boiling Point 1049 °C
Density 3.35
Appearance Blue crystalline powder
Color Red-purple
Odor at 100.00?%. odorless
Form Solid
Water Solubility Soluble in water, ether, acetone and alcohol.
Vapor Pressure 40 mm Hg ( 0 °C)
pH 4.9 (50g/l, H2O, 25℃)
Log P -1.380 (est)

Safety & Handling (Learn More)

Danger GHS05 GHS07 GHS08 GHS09
Hazard Statements
H302 Harmful if swallowed
H317 May cause an allergic skin reaction
H318 Causes serious eye damage
H332 Harmful if inhaled
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
H341 Suspected of causing genetic defects
H350 May cause cancer
H360 May damage fertility or the unborn child
H372 Causes damage to organs through prolonged or repeated exposure
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects
H302+H332 Harmful if swallowed or if inhaled
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P233 Keep container tightly closed.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 In case of inadequate ventilation wear respiratory protection.
P317 Get emergency medical help.
P318 IF exposed or concerned, get medical advice.
P319 Get medical advice/attention if you feel unwell.
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P391 Collect spillage.
P403 Store in a well-ventilated place.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P301+P317 Get emergency medical help.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P333+P317 Get emergency medical help.
P342+P316 Get emergency medical help immediately.
P362+P364 Take off contaminated clothing and wash it before reuse.
P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code 28273400
UN Number 3260
ADR Class 8
Packing Group II
Storage Class 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects
WGK (Germany) 2

Documentation

Other Names

Cobalt dichloride hexahydrate|cobalt chloride hydrate|cobalt (II) chloride hexahydrate|Chlorek cobaltawy|Cobaltous chloride, hexahydrate|Chlorek cobaltawy [Polish]|Cobalt chloride (CoCl2), hexahydrate|Cobalt(2+) chloride hexahydrate

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