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40828-54-4

Name 1H-BENZIMIDAZOLE-2-SULFONIC ACID
CAS 40828-54-4
Molecular Formula C7H6N2O3S
MDL Number MFCD00100972
Molecular Weight 198.2
MOL File 40828-54-4.mol
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Chemical Properties

Appearance white to light beige crystalline powder
Melting point  116-119 °C(lit.)
density  1.4876 (rough estimate)
refractive index  1.6000 (estimate)
storage temp.  2-8°C
pka -1.47±0.40(Predicted)
CAS DataBase Reference 40828-54-4(CAS DataBase Reference)

Safety Data

Hazard Codes  C
Risk Statements 
R34:Causes burns.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 3261 8/PG 2
WGK Germany  3
HazardClass  IRRITANT

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