Naphthenic acids, cobalt salts
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Naphthenic acids, cobalt salts
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CAS No:
61789-51-3
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Chemical Name:
Naphthenic acids, cobalt salts
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Synonyms:
Naphthenic acids,cobalt salts;Naphthenic acids,cobalt salt;Naphthenic acid,cobalt salts;Cobalt naphthenates;Cobalt naphthenate;Naftolite;Naphthex Co;8SN-Co;Cobalt Nap-All;Nap-All;RC-N 10;Manobond LP 839;NF 1;NF 4;NF 1 (catalyst);NF 4 (catalyst);Polymal P 106;CN 10;CN 10 (adhesion promoter);PA 203;PA 203 (accelerator);UNK;NK 1;NK 1 (accelerator);CN 6;CN 6 (catalyst);Co Naphthenate;AC 1 (accelerator);AC 1;EC 8;Cobalt N;CoNAP;PR-CBZ 01;51806-61-2;161279-65-8
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CAS No:
Description
Black liquid Cobalt naphthenate is a flammable brown powder or bluish-red solid; freezing/melting point = 140°C; flash point = 49°C; autoignition temperature = 276°C. Hazard identification (based on NFPA-704 M Rating System): Health 1, flammability 2, reactivity 0. Insoluble in water.
Characteristics
80.26000
2.68560
dark liquid
0.9 g/cm3
140 °C
120 °F
n20/D 1.4620
Insoluble in water.
2-8°C
Safety Information
III
3
UN 1993 3/PG 3
3
49-10-36/38-42/43-50/53-40-65
53-23-45-60-61-36/37-62
QK8925000
Xn,N,T
Separated from strong oxidants. Well closed.
P210-P261-P280-P284-P301 + P310-P370 + P378
H226-H304-H317-H334
Naphthenic acids, cobalt salts Use and Manufacturing
First, add naphthoic acid into the reaction pot, add the same amount of water, heat up to 95°C and stir, add 15-20% sodium hydroxide solution for saponification. Maintain 90-95℃ and continue to add alkali, check that the pH value of the soap is 7-7.2, add cobalt salt in a metered amount at 90℃ for metathesis reaction, then add 120# gasoline to wash, remove impurities, dehydrate, and deoil. Finally, add 200# gasoline to dilute to the specified cobalt content as a finished product. General industrial products are purple-red viscous liquids. 1 ton of products consumes about 800kg of naphthoic acid and 90kg of cobalt.
The catalyst is used for the oxidation of p-xylene to terephthalic acid, the oxidation of toluene to benzoic acid, and the oxidation of cyclohexane to adipic acid. Used as a drier for various paints and inks, as a curing accelerator for unsaturated polyester. The product is toxic, with a minimum lethal dose of 6000mg/kg.
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