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81-11-8

Name 4,4'-Diamino-2,2'-stilbenedisulfonic acid
CAS 81-11-8
EINECS(EC#) 201-325-2
Molecular Formula C14H14N2O6S2
MDL Number MFCD00024946
Molecular Weight 370.4
MOL File 81-11-8.mol

Chemical Properties

Appearance Light Yellow Powder
Melting point  300 °C
density  1.4732 (rough estimate)
refractive index  1.6510 (estimate)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
form  Crystalline Powder
pka -1.58±0.50(Predicted)
color  Cream to yellow-brown
Stability: Stable. Combustible. Incompatible with iron, strong oxidizing agents.
Water Solubility  <0.1 g/100 mL at 23 ºC
Merck  14,595
BRN  629516
CAS DataBase Reference 81-11-8(CAS DataBase Reference)
EPA Substance Registry System 81-11-8(EPA Substance)

Safety Data

Hazard Codes  C,Xn
Risk Statements 
R34:Causes burns.
R22:Harmful if swallowed.
Safety Statements 
S24/25:Avoid contact with skin and eyes .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S22:Do not breathe dust .
RIDADR  UN 2583
RTECS  WJ6603000
TSCA  Yes
HS Code  29215900
Hazardous Substances Data 81-11-8(Hazardous Substances Data)

Hazard Information

Material Safety Data Sheet(MSDS)

Supplier