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Dimer Acid (Dimerized Fatty Acid)
Product Name : Dimer Acid (Dimerized fatty acid)
Cas No: 61788-89-4
Molecular Formula : CH3(CH1-2)14-16COOH
Dimer acid is a kind of duality acid polymer from fatty acid and it is over 2 carboxyl group. It can be dissolved in many kinds of organism. It has good heat stability and will not harden in winter. It is also a antiseptic. It can become polyamide after it reaction with amine under a certain temperature. It is mainly used in polyamide resin synthesis and manufacture, and as fuel oil agent, lubricant agent, etc. Specification
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Item
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Unit
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Specifications
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Color
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Size
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≤9
by Iron-cobalt
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Acid value
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mgKOH/g
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190±5
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Saponification value
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mgKOH/g
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≥190
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Composition
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monomer acid
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%
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<5
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dimer acid
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%
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>72-80
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trimer acid
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%
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<15
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Viscosity
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MPa.S/25℃
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6500-7500
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Density
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g/cm3(25℃)
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0.93-0.95
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Flashing Point (open)
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℃
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>260
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