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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 17519Generated: November 4, 2026

Trichlormetaphos 3

Trichlormetaphos-3 · trichlorometaphos-3 · O-Methyl-O-(2,4,5-trichlorophenyl)-O-ethylthiophosphate · ethoxy-methoxy-sulfanylidene-(2,4,5-trichlorophenoxy)phosphorane · Thiophosphoric acid O-ethyl O-(2,4,5-trichlorophenyl)O-methyl ester · Thiophosphoric acid O-ethyl O-methyl O-(2,4,5-trichlorophenyl) ester · Phosphorothioic acid, O-ethyl O-methyl O-(2,4,5-trichlorophenyl) ester

https://huagongshe.com/en/chemical/17519

Trichlormetaphos 3 molecular structure

Identifiers & Physical Properties

CAS No.2633-54-7
Molecular formulaC9H10Cl3O3PS
Average molar mass335.6 g/mol
Monoisotopic mass333.915385 g/mol
SMILESCCOP(=S)(OC)Oc1cc(Cl)c(Cl)cc1Cl
InChIKeyHBKPGGUHRZPDIE-UHFFFAOYSA-N
PubChem CID17519
DTXSIDDTXSID2058041

Chemical & Physical Properties

XLogP5.4
Topological polar surface area59.8
Hydrogen bond donors0
Hydrogen bond acceptors4
Rotatable bonds5
Heavy atoms17
Formal charge0
Complexity295
Boiling point92.5°C
Solubility<40mg/L(temperature not stated)
FDA UNII2W31YA209L
ToxicityLD50 orl-rat: 360 mg/kg HYSAAV 31,18,66

Safety & Regulations

ToxicityLD50 orl-rat: 360 mg/kg HYSAAV 31,18,66

Applications & Uses

Uses

Trichlormetaphos-3 is used in the preparation of pyridinylpyrazole derivatives for use as pesticides.