1,2-Benzisothiazol-3-amine

Also known as: Benzo[d]isothiazol-3-amine, 1,2-Benzisothiazol-3-ylamine, 3-Amino-1,2-benzisothiazole, 1,2-benzothiazol-3-amine, 1,2-Benzisothiazole, 3-amino-, 3-Benzisothiazoleamine

1,2-Benzisothiazol-3-amine (CAS 23031-78-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6N2S and a molecular weight of 150.201 g/mol. Key properties include a melting point of 114°C, a boiling point of 217.6±23.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 85.4±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 23031-78-9
Jingsj CID: J-1492509-8
Molecular Formula: C₇H₆N₂S
Molecular Weight: 150.201 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	114°C
Boiling Point	217.6±23.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	85.4±22.6 °C
Exact Mass	150.025162
PSA	67.15000
LogP	1.24
Vapor Pressure	0.1±0.4 mmHg at 25°C
Refractive Index	1.763
Storage Conditions	2-8°C

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 1,2-Benzisothiazol-3-amine?

The CAS number of 1,2-Benzisothiazol-3-amine is 23031-78-9.

What are the molecular formula and molecular weight of 1,2-Benzisothiazol-3-amine?

1,2-Benzisothiazol-3-amine has molecular formula C7H6N2S and molecular weight 150.201 g/mol.

What are the upstream and downstream products of 1,2-Benzisothiazol-3-amine?

For 1,2-Benzisothiazol-3-amine, Upstream Products: 3-Chloro-1,2-benzisothiazole.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1,2-Benzisothiazol-3-amine (CAS 23031-78-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492509-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.