Name | Cobalt stearate |
Synonyms | Cobalt stearate Einecs 213-694-7 cobalt distearate COBALT(II) STEARATE STEARIC ACID COBALT SALT cobalt(2+) dioctadecanoate stearic acid cobalt(ii) salt Octadecanoic acid, cobalt salt Bis(stearic acid) cobalt(II) salt Octadecanoic acid, cobalt(2+) salt |
CAS | 1002-88-6 13586-84-0 |
EINECS | 213-694-7 |
InChI | InChI=1/2C18H36O2.Co/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2 |
Molecular Formula | C18H36CoO2 |
Molar Mass | 343.42 |
Density | 1.71 |
Melting Point | 109-112°C(lit.) |
Boling Point | 359.4°C at 760 mmHg |
Flash Point | 191°C |
Water Solubility | Insoluble in water. |
Vapor Presure | 8.58E-06mmHg at 25°C |
Appearance | Pellets |
Specific Gravity | 1.71 |
Exposure Limit | ACGIH: TWA 10 mg/m3; TWA 3 mg/m3 |
Maximum wavelength(λmax) | ['275nm(MCH)(lit.)'] |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Use | For radial tires, steel wire conveyor belt and metal rubber composite products |
Hazard Symbols | Xn - Harmful |
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R42/43 - May cause sensitization by inhalation and skin contact. R40 - Limited evidence of a carcinogenic effect R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R43 - May cause sensitization by skin contact |
Safety Description | S22 - Do not breathe dust. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S37 - Wear suitable gloves. S24 - Avoid contact with skin. |
RTECS | RG1212000 |
TSCA | Yes |
HS Code | 29157090 |
Raw Materials | Stearic acid |
Application | for radial tires, steel wire transport belts and metal rubber composite products |
production method | 1. The stearic acid and sodium hydroxide solution reaction, made dilute soap, and then with the cobalt chloride aqueous solution of double decomposition reaction to prepare. 2. After equimolar amounts of powdered cobalt acetate and stearic acid are well mixed, cobalt stearate is obtained in a quantitative yield by heating at 117 to 118 ° C. And distilling off acetic acid and water of crystallization. The reaction can also be carried out in an excess of acetic acid solution. 3. Dissolve about 15g of sodium stearate in 1L of hot water to obtain a clear solution. Add this solution to a slight excess of 1% Cobalt chloride or cobalt sulfate solution while hot, with strong stirring, after precipitation of the flocculent cobalt stearate, it is washed thoroughly by the pouring method until the soluble cobalt salt is completely washed out. It was dried in an air bath at 115-120 °c for 10-20h. After cooling and solidification, a cobalt stearate product was obtained, which was stored in a sealed bottle after crushing. |