AZELAIC ACID

Specification:

DIBASIC ACID CONTENT:  LESS THAN C9 < 1.5%, AZELAIC ACID > 98%, GREATER THAN C9 <1%

ACID VALUE                           585 - 610  mg KOH/g

WATER                                   0.2% (w/w) max

MELTING POINT                 102-110°C

COLOR                               80/90% (trans. 440/550 nm) min

APPEARANCE, 20 °C      WHITE TO SLIGHT YELLOW POWDER
ODOR                                 ODORLESS