Basic

CAS No.	478-43-3
Product Name	Rhein
Synonyms	1,8-Dihydroxy-3-Carboxy anthraquinone; 4,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid; 4,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylate
Molecular Formula	C15H7O6
Molecular Weight	283.213

Physical property

Melting point	321-322℃
Boiling point	597.8°C at 760 mmHg
Flash point	329.4°C
Water solubility	<0.1 g/100 mL at 17℃

Hazard Symbols	Xi:Irritant;
Risk Codes	R36/37/38:;
Safety Description	S26:; S37/39:;