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Dodecanedioic Acid DDDA

CAS No.: 693-23-2
For Polyamide, long-chain nylon, lubricant
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Description

DDDA CAS 693-23-2 Dodecanedioic Acid

 

Specification :

Items Specification Results
Appearance white powder or flake white powder
Total Acids (%) ≥99.0 99.9
Dodecanedioic Acid (%) ≥98.5 99.8
Melting Point (℃) 129-131 129-131
Water (%) ≤0.4 0.2
Ash (ppm) ≤30 15
Iron (ppm) ≤3   2
Total Nitrogen (ppm) ≤50 25
Color (440nm/550nm)(T%) 96/98 99.5/99.8
Color Stability(440nm/550nm)
(T %)
89/92 95.0/99.1
Acetic Acid (ppm ) ≤400 <400

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