Naphthenic Acids, Calcium Salts
time:2012-10-05 16:17:26,count:0

Naphthenic Acids, Calcium Salts
Alias
Calcium naphthenate
Category
Anionic surfactants-Carboxylate
CAS No.
61789-36-4
Structural Formula
 
Properties
Appearance: paste; or brown liquid; or solid.
Solubility: insoluble in water. soluble in petroleum ether, benzene.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: >6000mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent emulsifying, lubricating, dispersing, anticorrosive, wetting abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
Actives*, %, ≥
45-85
 
Ca, %, ≥
2-12
 
*: should be marked on molecular weight.
Major Uses
Auxiliary drier in paint. can be improved activity of lead naphthenate, cobalt naphthenate, manganese naphthenate. can enhance film hardness, gloss. used in preparation of air-drying paint.
Waterproofing agent in textile.
Overbased calcium naphthenate, as oil detergent, used in lubricating oil of internal-combustion engine.
Use as lubricant.
Use as dispersing agent, emulsifying agent.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:61789-36-4
Update: 20131114(1);

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