Basic information
CAS NO
472-61-7;122871-99-2
EINECS
207-451-4
Molecular Formula
C40H52O4
Molecular Weight
596.8385
English Name
3,3'-Dihydroxy-beta,beta-carotene-4,4'-dione
Synonyms
Astaxanthin, Natural astaxanthin
, (3S,3'S)-3,3'-dihydroxy-beta,beta-carotene-4,4'-dione, (9cis,9'cis,13cis,13'cis,15cis)-3,3'-dihydroxy-beta,beta-carotene-4,4'-dione
Physical and Chemical Properties
Density
1.071g/cm3
Refractive index
1.595
Melting point
215-216℃
Boiling point
774°C at 760 mmHg
Flash point
435.8°C
Vapour Pressure
1.14E-27mmHg at 25°C
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