1,2-Benzisothiazole-3(2H)-thione 1,1-dioxide
Also known as: Thiosaccharin, thiosaccharine, 1,1-dioxo-1,2-benzothiazole-3-thione, 3-sulfanyl-1,2-benzothiazole-1,1-dione, 1,2-Benzisothiazoline-3-thione 1,1-dioxide, Benzo[d]isothiazole-3(2H)-thione 1,1-dioxide
1,2-Benzisothiazole-3(2H)-thione 1,1-dioxide (CAS 27148-03-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5NO2S2 and a molecular weight of 199.25000 g/mol. Key properties include a boiling point of 379ºC at 760mmHg, a density of 1.65g/cm3 and a flash point of 183ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 27148-03-4
- Jingsj CID
- J-1188339-9
- Molecular Formula
- C7H5NO2S2
- Molecular Weight
- 199.25000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 379ºC at 760mmHg |
|---|---|
| Density | 1.65g/cm3 |
| Flash Point | 183ºC |
| Exact Mass | 198.97600 |
| PSA | 93.68000 |
| LogP | 1.58170 |
| Vapor Pressure | 6.05E-06mmHg at 25°C |
| Refractive Index | 1.748 |
Customs & Trade Information
| HS Code | 2934991000 |
|---|---|
| Summary | 2934991000. sultones and sultams. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,2-Benzisothiazole-3(2H)-thione 1,1-dioxide?
The CAS number of 1,2-Benzisothiazole-3(2H)-thione 1,1-dioxide is 27148-03-4.
What are the molecular formula and molecular weight of 1,2-Benzisothiazole-3(2H)-thione 1,1-dioxide?
1,2-Benzisothiazole-3(2H)-thione 1,1-dioxide has molecular formula C7H5NO2S2 and molecular weight 199.25000 g/mol.
What are the upstream and downstream products of 1,2-Benzisothiazole-3(2H)-thione 1,1-dioxide?
For 1,2-Benzisothiazole-3(2H)-thione 1,1-dioxide, Upstream Products: Saccharin; Downstream Products: 2-Sulfamoylbenzoic acid, 1,2-Benzisothiazol-3-amine 1,1-dioxide, Saccharin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-Benzisothiazole-3(2H)-thione 1,1-dioxide (CAS 27148-03-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1188339-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.