cobaltnaphthenates,powder
Cobalt naphtenate
CAS: 61789-51-3
Molecular Formula: C22H16CoO4
cobaltnaphthenates,powder - Names and Identifiers
| Name | Cobalt naphtenate |
| Synonyms | Cobalt naphtenate Cobalt Naphthenate Cobaltous naphthenate cobaltnaphthenate(powder) cobaltnaphthenates,powder Cobalt Naphthenate Liquid Naphthenic Acid Cobalt Salt Cobalt naphthenate[powdery] CobaltnaphtenatecainmineralspiritsCo cobalt(2+) bis[3-(3-ethylcyclopentyl)propanoate] |
| CAS | 61789-51-3 |
| EINECS | 263-064-0 |
| InChI | InChI=1/2C10H18O2.Co/c2*1-2-8-3-4-9(7-8)5-6-10(11)12;/h2*8-9H,2-7H2,1H3,(H,11,12);/q;;+2/p-2 |
cobaltnaphthenates,powder - Physico-chemical Properties
| Molecular Formula | C22H16CoO4 |
| Molar Mass | 403.29324 |
| Density | 0.921 g/mL at 25 °C |
| Flash Point | 120°F |
| Water Solubility | Insoluble in water. |
| Vapor Presure | 0Pa at 20℃ |
| Appearance | liquid |
| Specific Gravity | 0.95 |
| Color | dark |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.4620 |
| Physical and Chemical Properties | Tan amorphous powder or purple solid. |
| Use | It is used as a general reagent and also as a purple pigment for paints |
cobaltnaphthenates,powder - Risk and Safety
| Risk Codes | R49 - May cause cancer by inhalation R10 - Flammable R36/38 - Irritating to eyes and skin. R42/43 - May cause sensitization by inhalation and skin contact. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R40 - Limited evidence of a carcinogenic effect R65 - Harmful: May cause lung damage if swallowed |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S23 - Do not breathe vapour. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37 - Wear suitable protective clothing and gloves. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| RTECS | QK8925000 |
| TSCA | Yes |
| HS Code | 29319090 |
| Hazard Class | 3 |
| Packing Group | III |
cobaltnaphthenates,powder - Nature
Open Data Verified Data
Tan amorphous powder or purple solid. Flammable. Insoluble in water, soluble in ethanol, ether, benzene, toluene, turpentine and pine perfume. It is flammable in case of open flame and high heat. By high heat decomposition, release of toxic smoke.
Last Update：2024-01-02 23:10:35
cobaltnaphthenates,powder - Hair-making
Open Data Verified Data
sodium naphthenate is formed by saponification of naphthenic acid with sodium hydroxide. Cobalt oxide is reacted with nitric acid or sulfuric acid to produce cobalt nitrate or sulfate. The double decomposition reaction of sodium naphthenate and nitric acid or sulfuric acid is carried out at 90 ° C., the reaction product is washed with water and then dissolved with gasoline to remove inorganic substances, and the finished product is obtained by steaming off the gasoline.
Last Update：2022-01-01 10:06:32
cobaltnaphthenates,powder - Use
Open Data Verified Data
Rare Earth drier is a new non-toxic drier. This product is used as an accelerator for unsaturated polyester resin and a catalyst for oxidation reaction, a drying agent for paint ink, and also a purple pigment for paint. This product has excellent storage stability, compared with rare earth naphthenic acid, with light color, small smell, good liquidity, dry effect is good. In light-colored paint use, but also has good characteristics, can reduce the color of the film, improve gloss, and drill with the white alkyd, the film does not yellow. It is the upgrading product of rare earth naphthenic acid.
Last Update：2022-01-01 10:06:32
cobaltnaphthenates,powder - Safety
Open Data Verified Data
rat oral LD50:4000-6000mg/kg. The former Soviet Union workshop harmful substances in the air of the maximum allowable concentration 0. 1mg (Co)/m3; The former Soviet Union (19 78) the maximum allowable concentration of harmful substances in drinking water 0.3mg/L (naphthenic acids). Staff should do the whole body protection work, such as accidental contact with eyes, skin, should immediately rinse with plenty of water. Fire, with water spray or the use of dry powder, dry sand, foam extinguishing agent. Store in a cool, ventilated warehouse. Keep away from fire and heat source. Protection from direct sunlight. Should be stored separately from the oxidant.
Last Update：2022-01-01 10:06:33
cobaltnaphthenates,powder - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | used as paint film drier, tire adhesive, curing resin, diesel additive, etc. paint drier, petrochemical oxidation catalyst and oil crystal additive used as general reagent, also used as purple pigment of paint catalyst, used for p-xylene oxidation to terephthalic acid, toluene oxidation to benzoic acid, cyclohexane oxidation to adipic acid, etc. As a drier for various paints and inks, and a curing accelerator for unsaturated polyester. The product is toxic and the minimum oral lethal dose is 6000mg/kg. |
| production method | first add naphthalene acid to the reaction pot, add the same amount of water, stir at 95 ℃, and add 15-20% sodium hydroxide solution for saponification reaction. Continue to add alkali at 90-95 ℃, check the pH value of soap liquid 7-7.2, add cobalt salt at 90 ℃ for metathesis reaction, then add 120# gasoline for washing, remove impurities, dehydrate and deoil. Finally, 200# gasoline is added to dilute to the specified cobalt content as the finished product. General industrial products are purple-red viscous liquids, and 1 ton of products consume about 800kg of naphthalene acid and 90kg of cobalt. |
Last Update：2024-04-09 15:16:44
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