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128-57-4

Name Sennoside B
CAS 128-57-4
EINECS(EC#) 204-895-0
Molecular Formula C42H38O20
MDL Number MFCD00151528
Molecular Weight 862.74
MOL File 128-57-4.mol

Chemical Properties

Melting point  209~212℃
alpha  D20 -100° (c = 0.2 in 70% acetone); D20 -67° (c = 0.4 in 70% dioxane)
Boiling point  698.48°C (rough estimate)
density  1.3066 (rough estimate)
refractive index  1.7630 (estimate)
storage temp.  2-8°C
solubility  DMSO (Very Slightly, Heated), Methanol (Slightly, Heated)
form  neat
pka 3.31±0.40(Predicted)
color  Light Yellow to Dark Yellow
BRN  5723747
Stability: Hygroscopic
LogP 1.880 (est)
CAS DataBase Reference 128-57-4(CAS DataBase Reference)

Safety Data

Risk Statements 
R22:Harmful if swallowed.
Safety Statements 
S22:Do not breathe dust .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
WGK Germany  3
HS Code  29329990

Hazard Information

Spectrum Detail

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