Name | Sennoside B |
Synonyms | NSC 112930 PURSENNIDE Sennoside B SENNOSIDE B(P) SENNIDINE B(RG) SENNOSIDE B(SH) UNII-F887D1637W Sennoside B std. 9,9-Bianthracene-2,2-dicarboxylic acid, 5,5-bis(.beta.-D-glucopyranosyloxy)-9,9,10,10-tetrahydro-4,4-dihydroxy-10,10-dioxo-, (9R,9S)- (9R,9'S)-5,5'-bis(beta-D-glucopyranosyloxy)-4,4'-dihydroxy-10,10'-dioxo-9,9',10,10'-tetrahydro-9,9'-bianthracene-2,2'-dicarboxylic acid (9S)-9-[(9R)-2-carboxy-4-hydroxy-10-oxo-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-9H-anthracen-9-yl]-4-hydroxy-10-oxo-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-9H-anthracene-2-carboxylic acid |
CAS | 128-57-4 |
EINECS | 204-895-0 |
InChI | InChI=1/C42H38O20/c43-11-23-31(47)35(51)37(53)41(61-23)59-21-5-1-3-15-25(17-7-13(39(55)56)9-19(45)27(17)33(49)29(15)21)26-16-4-2-6-22(60-42-38(54)36(52)32(48)24(12-44)62-42)30(16)34(50)28-18(26)8-14(40(57)58)10-20(28)46/h1-10,23-26,31-32,35-38,41-48,51-54H,11-12H2,(H,55,56)(H,57,58)/t23-,24-,25-,26+,31-,32-,35+,36+,37-,38-,41-,42-/m1/s1 |
Molecular Formula | C42H38O20 |
Molar Mass | 862.74 |
Density | 1.3066 (rough estimate) |
Melting Point | 209~212℃ |
Boling Point | 698.48°C (rough estimate) |
Specific Rotation(α) | D20 -100° (c = 0.2 in 70% acetone); D20 -67° (c = 0.4 in 70% dioxane) |
Flash Point | 348.6°C |
Solubility | Insoluble in water, benzene, ether, chloroform, slightly soluble in methanol, diglycoside alcohol-ether, acetone, dioxane, soluble in sodium bicarbonate aqueous solution. |
Vapor Presure | 0mmHg at 25°C |
Appearance | Bright yellow prismatic crystal (dilute acetone); Good needle-like crystal (water) |
Color | Light Yellow to Dark Yellow |
BRN | 5723747 |
pKa | 3.31±0.40(Predicted) |
Storage Condition | 2-8°C |
Stability | Hygroscopic |
Refractive Index | 1.7630 (estimate) |
MDL | MFCD00151528 |
Physical and Chemical Properties | Insoluble in water, benzene, ether, chloroform, slightly soluble in methanol, diglycoside alcohol-ether, acetone, dioxane, soluble in aqueous sodium bicarbonate. From the pod of the legume plant Cassia angulia Vahl. |
Risk Codes | 22 - Harmful if swallowed |
Safety Description | S22 - Do not breathe dust. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S24/25 - Avoid contact with skin and eyes. |
WGK Germany | 3 |
HS Code | 29329990 |
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