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About This Item
Empirical Formula (Hill Notation):
C7H5N2NaO3S2 · 2H2O
CAS Number:
Molecular Weight:
288.28
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
258-862-0
MDL number:
Assay:
98%
Product Name
2-Mercapto-5-benzimidazolesulfonic acid sodium salt dihydrate, 98%
InChI key
OIYOMRFNKQEDEH-UHFFFAOYSA-M
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
SMILES string
O.O.[Na+].[O-]S(=O)(=O)c1ccc2[nH]c(S)nc2c1
assay
98%
mp
>300 °C (lit.)
functional group
sulfonic acid
Quality Level
Related Categories
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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