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Azamethiphos

Also known as: Azametiphos, Alfacron, Alfracron, Salmosan, S-[(6-Chloro-2-oxooxazolo[4,5-b]pyridin-3(2H)-yl)methyl] O,O-dimethyl phosphorothioate, 6-Chloro-3-(dimethoxyphosphorylsulfanylmethyl)-[1,3]oxazolo[4,5-b]pyridin-2-one, GS 40616, SNIP

Azamethiphos (CAS 35575-96-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H10ClN2O5PS and a molecular weight of 324.678 g/mol. Key properties include a melting point of 88-93°C, a boiling point of 428.8±55.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 213.1±31.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
35575-96-3
Jingsj CID
J-2664-8
Molecular Formula
C9H10ClN2O5PS
Molecular Weight
324.678 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point88-93°C
Boiling Point428.8±55.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point213.1±31.5 °C
Exact Mass323.973663
PSA118.67000
LogP0.82
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.589

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H319 — Causes serious eye irritation

Activity & Biological Data

Additional Information[1]. Barisic J, et al. Cumulative impact of anti-sea lice treatment (azamethiphos) on health status of Rainbow trout (Oncorhynchus mykiss, Walbaum 1792) in aquaculture [published correction appears in Sci Rep. 2020 May 20;10(1):8643]. Sci Rep. 2019;9(1):16217. Published 2019 Nov 7.

Frequently Asked Questions

What is the CAS number of Azamethiphos?

The CAS number of Azamethiphos is 35575-96-3.

What are the molecular formula and molecular weight of Azamethiphos?

Azamethiphos has molecular formula C9H10ClN2O5PS and molecular weight 324.678 g/mol.

Is Azamethiphos hazardous?

Azamethiphos has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.

What are the upstream and downstream products of Azamethiphos?

For Azamethiphos, Upstream Products: 6-Chlorooxazolo[4,5-b]pyridin-2(3H)-one, 2-Amino-3-hydroxypyridine, 2,3-Dihydropyrido[2,3-d][1,3]oxazol-2-one.

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

Last updated:

How to cite: Jingsj. "Azamethiphos (CAS 35575-96-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2664-8 (accessed 2026-11-07).

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