Skip to main content

Benzothiazole

Also known as: 1,3-Benzothiazole, 1-Thia-3-azaindene, Benzthiazole, Benzosulfonazole, Benzothiazote, Vangard BT, USAF EK-4812, benzo[d]thiazole

Benzothiazole (CAS 95-16-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5NS and a molecular weight of 135.186 g/mol. Key properties include a melting point of 2 °C(lit.), a boiling point of 227.0±9.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 96.6±7.6 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
95-16-9
Jingsj CID
J-1012786-3
Molecular Formula
C7H5NS
Molecular Weight
135.186 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point2 °C(lit.)
Boiling Point227.0±9.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point96.6±7.6 °C
Exact Mass135.014267
PSA41.13000
LogP2.01
Additional Property4.66 (vs air)
Vapor Pressure0.1±0.4 mmHg at 25°C
Refractive Index1.689
Additional Propertyslightly soluble

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled

Activity & Biological Data

Additional Information[1]. Ruhi Ali, et al. Biological Aspects of Emerging Benzothiazoles: A Short Review, Journal of Chemistry, vol. 2013, Article ID 345198, 12 pages, 2013.

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 Benzothiazole?

The CAS number of Benzothiazole is 95-16-9.

What are the molecular formula and molecular weight of Benzothiazole?

Benzothiazole has molecular formula C7H5NS and molecular weight 135.186 g/mol.

Is Benzothiazole hazardous?

Benzothiazole has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H319 — Causes serious eye irritation.

What are the upstream and downstream products of Benzothiazole?

For Benzothiazole, Upstream Products: 2-Aminothiophenol, 1,1,2-Triethoxyethane, Formaldehyde; Downstream Products: Formic Acid, 2-Phenylbenzothiazole, 6,6'-Dimethyl-2,2'-bipyridine.

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

Last updated:

How to cite: Jingsj. "Benzothiazole (CAS 95-16-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1012786-3 (accessed 2026-11-09).

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