Skip to main content

Pyrithiobac

Also known as: 2-Chloro-6-[(4,6-dimethoxy-2-pyrimidinyl)thio]benzoic acid, 2-Chloro-6-[(4,6-dimethoxypyrimidin-2-yl)thio]benzoic acid, 2-chloro-6-[(4,6-dimethoxy-2-pyrimidinyl)sulfanyl]benzoic acid, Benzoic acid, 2-chloro-6-[(4,6-dimethoxy-2-pyrimidinyl)thio]-, Pyrithiobac [ISO], UNII-3327Q8RB9O

Pyrithiobac (CAS 123342-93-8) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C13H11ClN2O4S and a molecular weight of 326.75500 g/mol. Key properties include a melting point of 148-151ºC, a boiling point of 546.4ºC at 760 mmHg, a density of 1.51 and a flash point of 284.3ºC. It is classified under GHS with signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
123342-93-8
Jingsj CID
J-1067981-2
Molecular Formula
C13H11ClN2O4S
Molecular Weight
326.75500 g/mol
Category
Ethers
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point148-151ºC
Boiling Point546.4ºC at 760 mmHg
Density1.51
Flash Point284.3ºC
Exact Mass326.01300
PSA106.84000
LogP2.99660
Vapor Pressure8.97E-13mmHg at 25°C
Refractive Index1.651

GHS Safety & Compliance

Environmental HazardSignal word: Warning
  • H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of Pyrithiobac?

The CAS number of Pyrithiobac is 123342-93-8.

What are the molecular formula and molecular weight of Pyrithiobac?

Pyrithiobac has molecular formula C13H11ClN2O4S and molecular weight 326.75500 g/mol.

Is Pyrithiobac hazardous?

Pyrithiobac has GHS signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of Pyrithiobac?

For Pyrithiobac, Upstream Products: 2-AMINO-6-CHLOROBENZOIC ACID, HYDROCHLORIDE, 4,6-Dimethoxy-2-mercaptopyrimidine.

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

Last updated:

How to cite: Jingsj. "Pyrithiobac (CAS 123342-93-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1067981-2 (accessed 2026-11-06).

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