Isothiazol-3(2H)-one
Also known as: 1,2-Thiazol-3(2H)-one, 1,2-thiazol-3-one, 3(2H)-Isothiazolone, 3-(2H)-isothiazolone, 3-Hydroxyisothiazole, 3-Isothiazolone, 3-Oxo-2,3-dihydroisothiazole, 3-isothiasolone, Isothiazol-3-one, Isothiazolin-3-one, isothiazol-3-ol, isothiazolone, thiazol-3-one
Isothiazol-3(2H)-one (CAS 1003-07-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H3NOS and a molecular weight of 101.127 g/mol. Key properties include a boiling point of 86.3±23.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 6.0±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1003-07-2
- Jingsj CID
- J-1001979-1
- Molecular Formula
- C3H3NOS
- Molecular Weight
- 101.127 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 86.3±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 6.0±22.6 °C |
| Exact Mass | 100.993530 |
| PSA | 61.10000 |
| LogP | 0.07 |
| Vapor Pressure | 59.6±0.2 mmHg at 25°C |
| Refractive Index | 1.614 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Isothiazol-3(2H)-one?
The CAS number of Isothiazol-3(2H)-one is 1003-07-2.
What are the molecular formula and molecular weight of Isothiazol-3(2H)-one?
Isothiazol-3(2H)-one has molecular formula C3H3NOS and molecular weight 101.127 g/mol.
What are the upstream and downstream products of Isothiazol-3(2H)-one?
For Isothiazol-3(2H)-one, Upstream Products: Glycinamide hydrochloride, 3,3'-Dithiodipropionamide; Downstream Products: 3-bromoisothiazole, 5-Chloro-2-methyl-4-isothiazolin-3-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isothiazol-3(2H)-one (CAS 1003-07-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001979-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.