Product Description
Cobalt sulfate heptahydrate (CAS No. 10026-24-1) is a high-value cobalt compound typically found in blue crystalline form and known for its excellent water solubility. Under exposure to air, it gradually loses its crystallization water and may transform into a powder-like appearance.
Due to its stable chemical properties and cobalt content, cobalt sulfate heptahydrate is widely utilized in laboratories, chemical synthesis, and industrial manufacturing. It serves as an effective catalyst in organic reactions and acts as a crucial intermediate material for preparing various cobalt-containing compounds, such as cobaltates and cobalt oxides.
Additionally, it is extensively applied in electroplating processes, dye and pigment production, and other chemical industries where high-quality cobalt sources are required.
Cobalt sulfate heptahydrate Chemical Properties
| Melting point | 98 °C |
| Boiling point | 735°C |
| Density | 2.03 g/mL at 25 °C(lit.) |
| Storage temp | Store at +5°C to +30°C. |
| Solubility | H2O: soluble |
| Form | Solid |
| Specific Gravity | 1.948 |
| Color | Red-brown |
| 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. |
| InChIKey | MEYVLGVRTYSQHI-UHFFFAOYSA-L |
| 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 |
| Toxicity | LD50 orally in Rabbit: 582 mg/kg |
Applications of Cobalt Sulfate Heptahydrate CAS No. 10026-24-1
Cobalt sulfate heptahydrate is a versatile cobalt-based compound widely used across various industrial and scientific fields due to its excellent chemical properties and cobalt content.
Animal Nutrition Industry
Cobalt sulfate serves as a cobalt supplement in animal feed formulations. As cobalt is an essential element involved in the synthesis of vitamin B12, it helps support normal metabolism, red blood cell formation, and overall animal health.
Electroplating Applications
In the electroplating industry, cobalt sulfate is an important component of cobalt plating solutions, contributing to the preparation of durable cobalt coatings with enhanced surface performance.
Material Manufacturing
It is widely used as a raw material in the production of cobalt-containing materials, including cobalt ferromagnetic materials, ceramic glazes, colored porcelain products, and specialty pigments. It can also function as a drying agent in paint and coating formulations.
Battery and Chemical Applications
Cobalt sulfate is utilized as an additive in alkaline battery production and serves as a chemical reagent and catalyst in various analytical and synthesis processes.
Laboratory and Research Uses
In biological and analytical research, cobalt sulfate is applied in colorimetric analysis methods, including serum bilirubin determination in liver function testing. It is also used as a reference material in blood-related studies and as a coloring agent for glass and ceramic applications.
With its broad functionality and reliable cobalt source characteristics, cobalt sulfate heptahydrate plays an important role in chemical manufacturing, materials science, biological research, and industrial processing.
