Fenamiphos

Also known as: Phenamiphos, Nemacur, BAY 68138, ENT 27572, Ethyl 3-methyl-4-(methylthio)phenyl (1-methylethyl)phosphoramidate, O-Ethyl O-(3-methyl-4-methylthiophenyl) N-isopropylphosphoramidate, Caswell No. 453A, EINECS 244-848-1, MFCD00055454

Fenamiphos (CAS 22224-92-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H22NO3PS and a molecular weight of 303.357 g/mol. Key properties include a melting point of 49°C, a boiling point of 375.6±52.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 181.0±30.7 °C. It is classified under GHS with signal word Danger and hazard statements H300, H310 and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 22224-92-6
Jingsj CID: J-29553-4
Molecular Formula: C₁₃H₂₂NO₃PS
Molecular Weight: 303.357 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	49°C
Boiling Point	375.6±52.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	181.0±30.7 °C
Exact Mass	303.105804
PSA	82.67000
LogP	3.68
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.524
Storage Conditions	0-6℃
Additional Property	0.07 g/100 mL

GHS Safety & Compliance

Acute Toxicity / Environmental HazardSignal word: Danger

H300
H310
H330 — Fatal if inhaled
H319 — Causes serious eye irritation
H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code	2930909064
Summary	2930909064 s-((n-(2-chlorophenyl)butyramido)methyl) o,o-dimethyl phosphorodithioate

Frequently Asked Questions

What is the CAS number of Fenamiphos?

The CAS number of Fenamiphos is 22224-92-6.

What are the molecular formula and molecular weight of Fenamiphos?

Fenamiphos has molecular formula C13H22NO3PS and molecular weight 303.357 g/mol.

Is Fenamiphos hazardous?

Fenamiphos has GHS signal word Danger and hazard statements H300; H310; H330 — Fatal if inhaled.

What are the upstream and downstream products of Fenamiphos?

For Fenamiphos, Upstream Products: 3-Methyl-4-(methylthio)phenol, Sodium ethoxide, Isopropylamine; Downstream Products: Fenamiphos sulfoxide.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Fenamiphos (CAS 22224-92-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29553-4 (accessed 2026-11-06).

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