2-Hydroxybenzothiazole

苯并噻唑-2-酮

Also known as: benzothiazolinone, 2(3H)-Benzothiazolone, Benzothiazol-2(3H)-one, 2-Benzothiazolol, 1,3-Benzothiazol-2(3H)-one, Benzo[d]thiazol-2(3H)-one, Benzo[d]thiazol-2-ol, 2-Oxobenzothiazole

CAS No.
934-34-9
Jingsj CID
J-1013127-5
Molecular Formula
C7H5NOS
Chinese Name
苯并噻唑-2-酮
Molecular Weight
151.186 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point137-140 °C(lit.)
Boiling Point360.0±11.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point171.5±19.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-Hydroxybenzothiazole?

934-34-9

What are the molecular formula and molecular weight of 2-Hydroxybenzothiazole?

C7H5NOS, molecular weight 151.186 g/mol

Is 2-Hydroxybenzothiazole hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026