Rhein 90% 95% 98%
Herb source: Rheum palmatum L,rhe root
Molecular Formula: C15H8O6;
Molecular Weight: 284.21
Physics Properties:Yellow needle cystal,melting
point 321-322 OC,decompose on 330 OC.hardly
soluble in the water,soluble in the alkalietc,slightly soluble in the ethanol,benzene,chloroform,aether etc.
Emodin 90% 95% 98%
Synonyms:Anthraquinone, 1,3,8-trihydroxy-6-methyl- (8CI); 1,3,8-Trihydroxy-6-methyl-9,10-anthraquinone; 1,3,8-Trihydroxy-6-methylanthraquinone; 1,6,8-Trihydroxy-3-methylanthraquinone;[...]