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2-(2-Hydroxyphenyl)benzothiazole

Also known as: 2-(Benzo[d]thiazol-2-yl)phenol, o-(2-Benzothiazolyl)phenol, 2-(2-Benzothiazolyl)phenol, 2-(o-Hydroxyphenyl)benzothiazole, Phenol, 2-(2-benzothiazolyl)-

2-(2-Hydroxyphenyl)benzothiazole (CAS 3411-95-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H9NOS and a molecular weight of 227.282 g/mol. Key properties include a melting point of 128-132 °C(lit.), a boiling point of 402.2±47.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 197.0±29.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3411-95-8
Jingsj CID
J-10325-3
Molecular Formula
C13H9NOS
Molecular Weight
227.282 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point128-132 °C(lit.)
Boiling Point402.2±47.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point197.0±29.3 °C
Exact Mass227.040482
PSA61.36000
LogP4.53
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.719

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 2-(2-Hydroxyphenyl)benzothiazole?

The CAS number of 2-(2-Hydroxyphenyl)benzothiazole is 3411-95-8.

What are the molecular formula and molecular weight of 2-(2-Hydroxyphenyl)benzothiazole?

2-(2-Hydroxyphenyl)benzothiazole has molecular formula C13H9NOS and molecular weight 227.282 g/mol.

Is 2-(2-Hydroxyphenyl)benzothiazole hazardous?

2-(2-Hydroxyphenyl)benzothiazole has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 2-(2-Hydroxyphenyl)benzothiazole?

For 2-(2-Hydroxyphenyl)benzothiazole, Upstream Products: 2-Aminothiophenol, Salicylic acid, Salicylaldehyde; Downstream Products: Bis[2-(2-benzothiazolyl)phenolato]zinc(II), 2-Aminothiophenol, Salicylic acid.

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

Last updated:

How to cite: Jingsj. "2-(2-Hydroxyphenyl)benzothiazole (CAS 3411-95-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10325-3 (accessed 2026-11-09).

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