5-Methylbenzo[d]isothiazol-3-amine

Also known as: 1,2-Benzisothiazol-3-amine, 5-methyl-, 3-Amino-5-methylbenzo[d]isothiazole, 5-Methyl-1,2-benzisothiazol-3-amine, 5-Methyl-1,2-benzothiazol-3-amine, 3-amino-5-methyl-1,2-benzisothiazole, 5-metil-3-amino-1,2-benzisotiazolo

5-Methylbenzo[d]isothiazol-3-amine (CAS 105734-78-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8N2S and a molecular weight of 164.22800 g/mol. Key properties include a boiling point of 239.6ºC at 760mmHg, a density of 1.315g/cm3 and a flash point of 98.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 105734-78-9
Jingsj CID: J-1484649-2
Molecular Formula: C₈H₈N₂S
Molecular Weight: 164.22800 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	239.6ºC at 760mmHg
Density	1.315g/cm3
Flash Point	98.7ºC
Exact Mass	164.04100
PSA	67.88000
LogP	2.11700
Vapor Pressure	0.0397mmHg at 25°C
Refractive Index	1.726

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 5-Methylbenzo[d]isothiazol-3-amine?

The CAS number of 5-Methylbenzo[d]isothiazol-3-amine is 105734-78-9.

What are the molecular formula and molecular weight of 5-Methylbenzo[d]isothiazol-3-amine?

5-Methylbenzo[d]isothiazol-3-amine has molecular formula C8H8N2S and molecular weight 164.22800 g/mol.

What are the upstream and downstream products of 5-Methylbenzo[d]isothiazol-3-amine?

For 5-Methylbenzo[d]isothiazol-3-amine, Upstream Products: 2-Fluoro-5-methylbenzonitrile.

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. "5-Methylbenzo[d]isothiazol-3-amine (CAS 105734-78-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1484649-2 (accessed 2026-11-09).

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