Cobalt naphthenate
Pharmaceutical Materials 2025-03-02
CAS Number: 61789-51-3
Molecular Formula: 2(C11H7O2).Co
Molecular Weight: 401.28
Appearance: Purple to dark brown non-crystalline powder
Solubility: Insoluble in water, soluble in ethanol, ether, benzene, toluene, etc.
Application: Catalyst, drier for paints and inks.
| Category | Information |
|---|---|
| Basic Information | |
| Name | Cobalt naphthenate |
| Alias | Naphthenic acids cobalt salts; Cobaltous naphthenate; Petroleum acid cobalt; Naphthenic acid, cobalt salt |
| CAS Number | 61789-51-3 |
| EINECS Number | 263-064-0 |
| Molecular Formula | 2(C11H7O2)·Co or C20H34CoO4 |
| Molecular Weight | 401.28 or 397.415 |
| Physical and Chemical Properties | |
| Appearance | Purple-brown viscous liquid or yellow to brown resinous liquid or powder |
| Density | 0.921 g/mL at 25°C or 0.95 |
| Melting Point | 140°C (may vary) |
| Boiling Point | N/A |
| Refractive Index | 1.4620 |
| Flash Point | 49°C or 48.9°C or 120°F |
| Solubility | Insoluble in water; Soluble in ethanol, ether, benzene, toluene, xylene, turpentine, gasoline, etc. |
| Applications | |
| Industrial Use | Catalyst for the oxidation of p-xylene to terephthalic acid, toluene to benzoic acid, and cyclohexane to adipic acid |
| Other Uses | Drying agent in paints and inks; Curing accelerator for unsaturated polyesters; Diesel additive; Tire adhesive; Resin curing agent |
| Safety Information | |
| Toxicity | LD50: >4000 mg/kg (oral, rats) |
| Health Hazards | May cause respiratory irritation, skin allergies, heart damage, and thyroid enlargement upon exposure |
| Precautions | Keep away from heat, sparks, and open flames. Wear protective gear during handling. |
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