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191698

Sigma-Aldrich

2-Sulfobenzoic acid cyclic anhydride

technical grade, 90%

Synonym(s):

2,1-Benzoxathiol-3-one-1,1-dioxide

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About This Item

Empirical Formula (Hill Notation):
C7H4O4S
CAS Number:
81-08-3
Molecular Weight:
184.17
Beilstein:
139893
EC Number:
201-322-6
MDL number:
MFCD00005879
UNSPSC Code:
12171500
PubChem Substance ID:
24851504
NACRES:
NA.47

grade

technical grade

Quality Level

200

Assay

90%

form

powder

bp

184-186 °C/18 mmHg (lit.)

mp

116 °C

solubility

methanol: 50 mg/mL

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

O=C1OS(C2=CC=CC=C21)(=O)=O

InChI

1S/C7H4O4S/c8-7-5-3-1-2-4-6(5)12(9,10)11-7/h1-4H

InChI key

NCYNKWQXFADUOZ-UHFFFAOYSA-N

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Related Categories

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBG9801
STBG9131
STBG7287
STBG4272V
STBF4793V

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