Name | aloe-emodine |
Synonyms | NSC 38628 Aloeemodin Aloe-eModol Aloe Emodin Aloe-Emodin aloe-emodine Diacerein IMpurity B 3-HydroxyMethylchrysazine Aloe-eModine, froM RheuM palMatuM 1,8-dihydroxy-3-hydroxymethyl-anthraquinon 1,8-Dihydroxy-3-(hydroxymethyl)anthraquinone 1,3,8-trihydroxy-6-methylanthracene-9,10-dione 1,8-dihydroxy-3-(hydroxymethyl)-10-anthracenedione 1,8-dihydroxy-3-(hydroxymethyl)anthracene-9,10-dione 1H-Indazole-3-carboxylic acid,4,5,6,7-tetrahydro-, ethyl ester |
CAS | 481-72-1 |
EINECS | 207-571-7 |
InChI | InChI=1/C15H10O5/c16-6-7-4-9-13(11(18)5-7)15(20)12-8(14(9)19)2-1-3-10(12)17/h1-5,16-18H,6H2 |
InChIKey | YDQWDHRMZQUTBA-UHFFFAOYSA-N |
Molecular Formula | C15H10O5 |
Molar Mass | 270.24 |
Density | 1.3280 (rough estimate) |
Melting Point | 223-224°C |
Boling Point | 373.35°C (rough estimate) |
Flash Point | 311.9°C |
Solubility | Soluble in acetaldehyde, benzene, hot ethanol, dilute ammonia, sodium carbonate and sodium hydroxide aqueous solutions. Soluble in hot ethanol. It is yellow in ether and benzene, and crimson in ammonia and sulfuric acid. |
Vapor Presure | 8.9E-14mmHg at 25°C |
Appearance | Orange needle crystal (toluene), or khaki crystal powder. |
Color | Orange to Dark Orange |
Merck | 14,306 |
BRN | 2059062 |
pKa | 6.30±0.20(Predicted) |
Storage Condition | 2-8°C |
Stability | Hygroscopic |
Refractive Index | 1.5000 (estimate) |
MDL | MFCD00017373 |
Physical and Chemical Properties | Soluble in acetaldehyde, benzene, hot ethanol, dilute ammonia, sodium carbonate and sodium hydroxide aqueous solution. Soluble in hot ethanol. In ether and benzene was yellow, ammonia and sulfuric acid showed a red. Rhizome derived from Polygonaceae plant Rheum palmatum L. |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
WGK Germany | 3 |
RTECS | CB6712200 |
FLUKA BRAND F CODES | 10 |
HS Code | 29146990 |