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385700

Sigma-Aldrich

2-Mercapto-5-benzimidazolesulfonic acid sodium salt dihydrate

98%

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About This Item

Empirical Formula (Hill Notation):
C7H5N2NaO3S2 · 2H2O
CAS Number:
Molecular Weight:
288.28
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

mp

>300 °C (lit.)

SMILES string

O.O.[Na+].[O-]S(=O)(=O)c1ccc2[nH]c(S)nc2c1

InChI

1S/C7H6N2O3S2.Na.2H2O/c10-14(11,12)4-1-2-5-6(3-4)9-7(13)8-5;;;/h1-3H,(H2,8,9,13)(H,10,11,12);;2*1H2/q;+1;;/p-1

InChI key

OIYOMRFNKQEDEH-UHFFFAOYSA-M

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

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