Product Description
Cobalt nitrate hexahydrate is a high-activity inorganic cobalt salt with superior solvent compatibility and stable processing performance. It serves as a critical raw material for manufacturing various cobalt compounds and functional additives. Note: Cobalt and its compounds are classified as IARC Group 2B carcinogens, requiring standardized operation and storage during use.

Product Parameters
| Melting point | 55 °C(lit.) |
| Density | 1.88 |
| Refractive index | 1.52 |
| Storage temp. | Store at +5°C to +30°C. |
| Solubility | 2170g/l |
| Form | Wet Crystalline Aggregates |
| Color | Red to pinkish-brown |
| Specific Gravity | 1.87 |
| PH | 4.0 (100g/l, H2O, 20℃) |
| Water Solubility | 134 g/100 mL |
| Merck | 142,444 |
| Exposure limits | ACGIH: TWA 0.02 mg/m3 |
| Stability | Stable. Strong oxidizer - incompatible with reducing agents. |
| InChIKey | QGUAJWGNOXCYJF-UHFFFAOYSA-N |
| CAS DataBase Reference | 10026-22-9(CAS DataBase Reference) |
| EPA Substance Registry System | Cobalt nitrate hexahydrate (10026-22-9) |
Safety Information
| Hazard Codes | O,Xn,N,T |
| Risk Statements | 8-22-40-43-50/53-42/43-36/37/38-68-20-60-49 |
| Safety Statements | 17-36/37-60-61-45-36/37/39-26-22-53 |
| RIDADR | UN 1477 5.1/PG 2 |
| WGK Germany | 2 |
| RTECS | QU7355500 |
| TSCA | Yes |
| HazardClass | 5.1 |
| PackingGroup | III |
| HS Code | 28342920 |
| Toxicity | LD50 orally in rats: 691 mg/kg (Speijers) |
Application Scenarios
It is extensively adopted in chemical manufacturing for desulfurization catalysts and chemical analytical reagents. In the coating industry, it acts as an efficient paint drier and high-performance cobalt pigment raw material. It also serves as a ceramic colorant for CRT shell production and a key ingredient for invisible ink formulation.
Beyond conventional uses, it supports vitamin B12 additive production and sodium cobalt hexanitrite synthesis. Additionally, it can be applied as a cyanide poisoning antidote, covering fine chemicals, biomaterials, industrial coloring and pharmaceutical auxiliary fields.
