1h-benzimidazole-2-sulfonic acid

Modify Date: 2025-08-23 15:58:44

1h-benzimidazole-2-sulfonic acid Structure
1h-benzimidazole-2-sulfonic acid structure
Common Name 1h-benzimidazole-2-sulfonic acid
CAS Number 40828-54-4 Molecular Weight 198.19900
Density 1.681g/cm3 Boiling Point N/A
Molecular Formula C7H6N2O3S Melting Point 116-119 °C(lit.)
MSDS Chinese Flash Point N/A

 Names

Name 1h-benzimidazole-2-sulfonic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.681g/cm3
Melting Point 116-119 °C(lit.)
Molecular Formula C7H6N2O3S
Molecular Weight 198.19900
Exact Mass 198.01000
PSA 91.43000
LogP 1.89040
Index of Refraction 1.716

 Safety Information

Hazard Codes C
Risk Phrases R34
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3261 8/PG 2
WGK Germany 3
Hazard Class 8.0
HS Code 2933990090

 Synthetic Route

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1H-benzimidazol-2-sulphonic acid
1H-Benzoimidazole-2-sulfonic acid
Benzimidazol-2-ylsulfonic acid
MFCD00100972
benzimidazole-2-sulfonic acid
1H-Benzimidazole-2-sulfonicacid
Rabeprazole Impurity 20
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