CAS No: 478-43-3, Chemical Name: Rhein
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478-43-3 Rhein

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
InChI InChI=1/C15H8O6/c16-9-3-1-2-7-11(9)14(19)12-8(13(7)18)4-6(15(20)21)5-10(12)17/h1-5,16-17H,(H,20,21)/p-1
CAS Registry Number 478-43-3
EINECS 207-521-4
Molecular Structure 478-43-3 Rhein
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℃
Vapour Pressur 3.85E-15mmHg at 25°C
Hazard Symbols  Xi:Irritant;
Risk Codes R36/37/38:;
Safety Description S26:;