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Cobalt sulfate heptahydrate CAS#10026-24-1

Stable Chemical Properties
Cobalt sulphate demonstrates good chemical stability under normal storage and handling conditions, ensuring consistent performance in various applications.

Non-Flammable and Safe to Handle
The product is non-flammable, enhancing safety during transportation, storage, and industrial use.

Distinct Crystal Structure and High Purity Appearance
It appears as pink to red monoclinic prismatic crystals or red granular solids, indicating well-defined crystallinity and reliable product quality.

Controlled Dehydration Characteristics
With stepwise dehydration at 41°C and 71°C and complete conversion to the anhydrous form at 788°F, it offers predictable thermal behavior suitable for controlled processing applications.

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Product Description of Cobalt Sulfate Heptahydrate CAS#10026-24-1

Cobalt sulfate heptahydrate appears as pink to red crystalline material, typically forming monoclinic prismatic crystals or red granular solids. The product is odorless and exhibits stable chemical properties under normal conditions.

It is non-flammable and hygroscopic in nature. Gradual dehydration occurs at approximately 41°C and 71°C, and the compound becomes completely anhydrous at 788°F.

Cobalt sulfate heptahydrate CAS#10026-24-1

Cobalt sulfate heptahydrate Chemical Properties

Melting point	98 °C
Boiling point	735°C
bulk density	900kg/m3
density	2.03 g/mL at 25 °C(lit.)
storage temp.	Store at +5°C to +30°C.
solubility	H2O: soluble
form	Solid
color	Red-brown
Specific Gravity	1.948
PH	4 (100g/l, H2O, 20℃)
Water Solubility	362 g/L (20 ºC)
Merck	142,448
Exposure limits	ACGIH: TWA 0.02 mg/m3
Stability:	Stable. Non-flammable. Hygroscopic. Dehydrates at around 41 C and 71 C.
InChI	1S/Co.H2O4S.H2O/c;1-5(2,3)4;/h;(H2,1,2,3,4);1H2/q+2;;/p-2
InChIKey	MEYVLGVRTYSQHI-UHFFFAOYSA-L
SMILES	O.[Co++].[O-]S([O-])(=O)=O
LogP	-1.031 (est)
CAS DataBase Reference	10026-24-1(CAS DataBase Reference)
IARC	2B (Vol. 86) 2006
EPA Substance Registry System	Cobalt(2+) sulfate heptahydrate (10026-24-1)

Safety Information

Hazard Codes	T,N
Risk Statements	49-42/43-51/53-50/53-22-68-60
Safety Statements	53-23-36/37-45-61-60-22
RIDADR	UN 3082 9/PG 3
WGK Germany	2
RTECS	GG3200000
TSCA	Yes
HazardClass	9
PackingGroup	III
HS Code	28332930
Storage Class	6.1D - Non-combustible acute toxic Cat.3
	toxic hazardous materials or hazardous materials causing chronic effects
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
Toxicity	LD50 orally in Rabbit: 582 mg/kg

Product Application of Cobalt Sulfate Heptahydrate CAS#10026-24-1

Cobalt sulfate heptahydrate is widely used as a cost-effective source of water-soluble cobalt. Compared with cobalt chloride or nitrate, it has a lower tendency to deliquesce or lose water, making it more stable during storage and handling.

It is commonly applied in storage batteries and cobalt electroplating baths. Additionally, it serves as a drier in lithographic inks and varnishes. In the ceramics industry, it is used in enamels and glazes to prevent discoloration, and it is also utilized in cobalt-based pigments for porcelain decoration.

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Cobalt sulfate heptahydrate CAS#10026-24-1