Cobaltous nitrate hexahydrate CAS#10026-22-9
Versatile Industrial Applications: Cobalt nitrate is widely used in the production of cobalt pigments, invisible inks, ceramic decoration, and battery additives.
Effective Catalyst Precursor: It can be supported on catalyst materials and applied in processes such as Fischer–Tropsch catalysis, improving catalytic performance.
Source of High-Purity Metallic Cobalt: Cobalt nitrate can be reduced to obtain high-purity cobalt, which is valuable for electronics and related industries.
Important Chemical and Pharmaceutical Intermediate: It is used in the synthesis of compounds such as benzimidazole and benzothiazole, which have potential antiviral activities against viruses like HIV and HCMV-1.
Cobaltous Nitrate Hexahydrate CAS# 10026-22-9
Cobalt nitrate is the cobalt salt of nitrate, typically found as a hexahydrate. It is used in the manufacture of cobalt pigments and invisible inks, as well as for decorating stoneware and porcelain, preparing catalysts, producing vitamin B12 supplements, and as a battery additive.
It can be reduced to obtain high-purity metallic cobalt, which is important for use in the electronics and related industries. Additionally, cobalt nitrate can be supported on various catalyst materials for applications such as Fischer–Tropsch catalysis.
The compound also serves as an intermediate in the synthesis of benzimidazole and benzothiazole derivatives, which have shown promising antiviral activity against viruses including HIV and HCMV-1.
Cobaltous nitrate hexahydrate Chemical Properties
| Melting point | 55 °C(lit.) |
| bulk density | 800kg/m3 |
| 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 | 142444 |
| Exposure limits | ACGIH: TWA 0.02 mg/m3 |
| Stability: | Stable. Strong oxidizer - incompatible with reducing agents. |
| InChI | 1S/Co.2NO3.6H2O/c;2*2-1(3)4;;;;;;/h;;;6*1H2/q+2;2*-1;;;;;; |
| InChIKey | QGUAJWGNOXCYJF-UHFFFAOYSA-N |
| SMILES | O.O.O.O.O.O.[Co++].[O-][N+]([O-])=O.[O-][N+]([O-])=O |
| 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 |
| Storage Class | 5.1B - Oxidizing hazardous materials |
| Hazard Classifications | Acute Tox. 4 Oral |
| Aquatic Acute 1 | |
| Aquatic Chronic 1 | |
| Carc. 1B Inhalation | |
| Eye Dam. 1 | |
| Muta. 2 | |
| Ox. Sol. 2 | |
| Repr. 1B | |
| Resp. Sens. 1 | |
| Skin Sens. 1 | |
| STOT RE 2 Inhalation | |
| Toxicity | LD50 orally in rats: 691 mg/kg (Speijers) |
Product Application of Cobaltous Nitrate Hexahydrate CAS# 10026-22-9
Cobaltous nitrate [Co(NO₃)₂·6H₂O], commonly referred to as cobalt nitrate, appears as a red, hygroscopic crystal. It is used in the production of inks, pigments, animal feed supplements, soil enhancers, and hair dyes.



