Basic

CAS No.	70588-05-5
Product Name	Obtusin
Synonyms	1,7-Dihydroxy-2,3,8-trimethoxy-6-methylanthracene-9,10-dione
Molecular Formula	C18H16O7
Molecular Weight	344.3154

Physical property

Density	1.409g/cm3
Boiling point	614.9°C at 760 mmHg
Flash point	227°C
Refractive index	1.633