
Identification
CAS Number
81-08-3
Name
2-Sulfobenzoicanhydride CAS 81-08-3
Synonyms
1,1-Dioxyde de -3H-2,1-benzoxathiol-3-one
[French]
[ACD/IUPAC Name]
2,1-Benzoxathiol-3-one-1,1-dioxide
2-Sulfobenzoic acid cyclic anhydride
2-Sulfobenzoic anhydride
3H-2,1-Benzoxathiol-3-on-1,1-dioxid
[German]
[ACD/IUPAC Name]
3H-2,1-Benzoxathiol-3-one 1,1-dioxide
[ACD/IUPAC Name]
3H-2,1-Benzoxathiol-3-one, 1,1-dioxide
[ACD/Index Name]
3H-2,1-Benzoxathiol-3-one, 1,1-dioxide (9CI)
81-08-3
[RN]
MFCD00005879
[MDL number]
SMILES
O=C1OS(=O)(=O)c2ccccc21
StdInChI
InChI=1S/C7H4O4S/c8-7-5-3-1-2-4-6(5)12(9,10)11-7/h1-4H
StdInChIKey
NCYNKWQXFADUOZ-UHFFFAOYSA-N
Molecular Formula
C7H4O4S
Molecular Weight
184.17
EINECS
201-322-6
Beilstein Registry Number
139893
MDL Number
MFCD00005879
Properties
Appearance
Off-white solid
Safety Data
Symbol
Signal Word
Warning
Hazard statements
H315,H319Precautionary Statements
P264 – P280 – P302 + P352 – P305 + P351 + P338 – P332 + P313 – P337 + P313Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
RIDADR
NONH for all modes of transport
Specifications and Other Information of Our 2-Sulfobenzoicanhydride CAS 81-08-3
Identification Methods
HNMR, HPLC
Purity
97% min
Shelf Life
1 year
Storage
Under room temperature away from light
Productivity
500kg/year, and also can customize according to requiremnets.
Known Application
2-Sulfobenzoic anhydride (CAS# 81-08-3), is a chemical intermediate with a range of applications, particularly in organic synthesis and industrial processes. Below are some of its key uses : 1. Chemical Intermediate It serves as a precursor in the synthesis of sulfonated compounds, which are widely used in the production of dyes, pigments, and surfactants. 2. Pharmaceutical Synthesis Utilized in the preparation of certain pharmaceutical compounds, particularly sulfonamides or derivatives that require a sulfonic acid functional group. 3. Catalyst or Reagent Often used as a reagent in chemical reactions that require a sulfonylating agent. 4. Material Science Can be involved in the modification of polymers or the production of specialty resins. 5. Research Applications Frequently used in academic and industrial research to develop novel materials or explore reaction mechanisms involving anhydride or sulfonic acid groups.
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This product is developed by our R&D company Warshel Chemical Ltd (https://www.warshel.com/).
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