Naphthenic Acid
time:2012-10-05 16:16:20,count:0

Naphthenic Acid
Alias
Acide naphtenique
Carboxylic acids, naphthenic
Naphthenic acids
Category
Anionic surfactants-Carboxylate
CAS No.
1338-24-5
Structural Formula
 
Properties
Appearance: yellow to brown liquid (refined naphthenic acid).
Solubility: slightly soluble in water. soluble in petroleum ether, benzene.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: 3000mg/Kg; rat intraperitoneal LD50: 640mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent dispersing, solubilizing, emulsifying, lubricating, cleansing, anticorrosive abilities. corrosion to lead, zinc.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
85 type
75 type
65 type
55 type
Actives*, %, ≥
85
75
65
55
 
*: should be marked on molecular weight.
Major Uses
Used in preparation of naphthenates, naphthenic acid esters.
Use as solvent.
Use as dispersing agent, emulsifying agent.
Use as corrosion inhibitor, lubricant.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:1338-24-5
Update: 20131114(1);

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