2-Sulfobenzoic acid cyclic anhydride (CAS 81-08-3) — formula C7H4O4S, molecular weight 184.17; category organic chemicals.
2-Sulfobenzoic acid cyclic anhydride (CAS 81-08-3) is a chemical raw material in the organic chemicals category. Its molecular formula C7H4O4S comprises 7 C, 4 H, 4 O, 1 S atoms. Its molecular weight is about 184.17. Reported physicochemical data: LogP about 1. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 81-08-3 |
|---|---|
| Molecular Formula | C7H4O4S |
| Molecular Weight | 184.17 |
| LogP | 1 |
| Applications | 3H-2, 1-Benzoxathiol-3-one, 1-dioxide: ACTIVE |
| Category | Organic Chemicals |
Documented applications: 3H-2, 1-Benzoxathiol-3-one, 1-dioxide: ACTIVE.
2-Sulfobenzoic acid cyclic anhydride is a carbon-based organic compound with CAS registry number 81-08-3 and molecular formula C7H4O4S (molecular weight 184.17), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 81-08-3
Its molecular formula C7H4O4S comprises 7 C, 4 H, 4 O, 1 S atoms.
Also known as: 2-Sulfobenzoic acid cyclic anhydride · 2-磺基苯甲酸环酐
Category: organic chemicals
The CAS registry number of 2-Sulfobenzoic acid cyclic anhydride is 81-08-3.
Molecular formula C7H4O4S, molecular weight 184.17.
It is also registered under: 2-Sulfobenzoic acid cyclic anhydride, 2-磺基苯甲酸环酐.
Recorded applications: 3H-2, 1-Benzoxathiol-3-one, 1-dioxide: ACTIVE.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 2-Sulfobenzoic acid cyclic anhydride (CAS 81-08-3), compiled from public chemistry databases.
| CAS Registry Number | 81-08-3 |
|---|---|
| PubChem CID | 65729 |
| Molecular formula | C7H4O4S |
| IUPAC name | 1,1-dioxo-2,1λ6-benzoxathiol-3-one |
| UNII (FDA) | 0SWH68IQ5W |
| Molecular Weight | 184.17 |
|---|---|
| XLogP3 | 1 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 183.98302978 |
| Monoisotopic Mass | 183.98302978 |
| Topological Polar Surface Area | 68.8 |
| Heavy Atom Count | 12 |
81-08-3; 2-Sulfobenzoic acid cyclic anhydride; o-Sulfobenzoic acid anhydride; o-Sulfobenzoic anhydride; o-Sulfobenzoic acid, cyclic anhydride; 0SWH68IQ5W; Benzoic acid, 2-sulfo-, cyclic anhydride; Benzoic acid, o-sulfo-, cyclic anhydride; RefChem:483567; 2-sulfobenzoic cyclic anhydride; 2-Sulfobenzoic anhydride; Sulfobenzoic anhydride; 3H-2,1-Benzoxathiol-3-one, 1,1-dioxide; 3H-Benzo[c][1,2]oxathiol-3-one 1,1-dioxide; MFCD00005879; 2-Sulphobenzoic anhydride
| Reported hazard statements | H302 (11.1%), H312 (11.1%), H314 (11.1%), H315 (88.9%), H318 (11.1%), H319 (88.9%), H332 (11.1%), H335 (66.7%) |
|---|
H302 (11.1%): Harmful if swallowed [Warning Acute toxicity, oral]
H312 (11.1%): Harmful in contact with skin [Warning Acute toxicity, dermal]
2-Sulfobenzoic acid cyclic anhydride · CAS 81-08-3 · C7H4O4S. UNII 0SWH68IQ5W.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 2-磺基苯甲酸环酐