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Rhein



Identification
Name Rhein
Synonyms 4,5-Dihydroxyanthraquinone-2-carboxylic acid; 1,8-Dihydroxy-3-carboxyanthraquinone; 9,10-Dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid; Rhubarb yellow; Cassic acid
Chinese Names name
copyRight
Molecular Structure Rhein, 4,5-Dihydroxyanthraquinone-2-carboxylic acid, 1,8-Dihydroxy-3-carboxyanthraquinone, 9,10-Dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid, Rhubarb yellow, Cassic acid CAS #: 478-43-3
Molecular Formula C15H8O6
Molecular Weight 284.22
CAS Registry Number 478-43-3
EINECS 207-521-4
 
Properties
Melting point 321-322 ºC
Water solubility <0.1 g/100 mL at 17 ºC
 
Safety Data
Hazard Symbols symbol   Xi    Details
Risk Codes R36/37/38    Details
Safety Description S26;S37/39    Details
 
List of Suppliers
web     Chengdu Organic Chemicals Co., Ltd. Chinese Academy of Sciences Taiwan, China
 

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