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Name	2-Mercapto-5-benzimidazolesulfonic acid sodium salt dihydrate	EINECS	258-862-0
CAS No.	53918-03-9	Density	g/cm³
PSA	133.06000	LogP	1.83650
Solubility	Soluble in water easily	Melting Point	300 °C
Formula	C7H6 N2 O3 S2 . Na	Boiling Point	°Cat760mmHg
Molecular Weight	252.246	Flash Point	°C
Transport Information	N/A	Appearance	white solid crystal
Safety		Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	1H-Benzimidazole-5-sulfonicacid, 2,3-dihydro-2-thioxo-, monosodium salt (9CI); 5(or6)-Benzimidazolesulfonic acid, 2-mercapto-, sodium salt (7CI); Sodium2-mercaptobenzimidazole-5-sulfonate; Sodium 2-mercaptobenzimidazole-6-sulfonate

2-Mercapto-5-benzimidazolesulfonic acid sodium salt dihydrate Synthetic route

: 53918-03-9
sodium 2-mercapto-5-benzimidazolesulfonate

: 70-23-5
ethyl Bromopyruvate

: 475293-84-6
2-oxo-3-(5-sulfo-1H-benzoimidazol-2-ylsulfanyl)-propionic acid ethyl ester sodium salt

Conditions

Conditions	Yield
In water	300 mg (82%)

: 53918-03-9
sodium 2-mercapto-5-benzimidazolesulfonate

: silver nitrate

: C7H5N2O3S2(1-)*Ag(1+)

Conditions

Conditions	Yield
In water for 0.5h; Darkness;

2-Mercapto-5-benzimidazolesulfonic acid sodium salt dihydrate Chemical Properties

Molecular Structure:

Molecular Formula: C₇H₅N₂NaO₃S₂
Molecular Weight: 252.246
IUPAC Name: Sodium 2-sulfanylidene-1,3-dihydrobenzimidazole-5-sulfonate
Synonyms of 2-Mercapto-5-benzimidazolesulfonic acid sodium salt dihydrate (CAS NO.53918-03-9): 2,3-Dihydro-2-thioxo-1H-benzimidazole-5-sulfonic acid, monosodium salt ; EINECS 258-862-0 ; 1H-Benzimidazole-5-sulfonic acid, 2,3-dihydro-2-thioxo-, monosodium salt ; 1H-Benzimidazole-5-sulfonic acid, 2,3-dihydro-2-thioxo-, sodium salt (1:1) ; Sodium 2,3-dihydro-2-thioxo-1H-benzimidazole-5-sulphonate
CAS NO: 53918-03-9
Product Categories: Pentacyclic triterpenes
Melting point: 300 °C
H bond acceptors: 5
H bond donors: 3
Freely Rotating Bonds: 1
Polar Surface Area of 2-Mercapto-5-benzimidazolesulfonic acid sodium salt dihydrate (CAS NO.53918-03-9): 101.32 Å²

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