O-ethyl O-4-nitrophenyl phenylphosphonothioate; EPN
CAS 2104-64-5 · C14H14NO4PS
Hazard classDanger — Toxic, Environmental hazard
PictogramsToxicEnvironmental hazard
H-statements- H310 Fatal in contact with skin
- H300 Fatal if swallowed
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Workplace exposure limitsNIOSH REL TWA 0.5 mg/m3 [skin]
OSHA PEL TWA 0.5 mg/m3 [skin] E
IDLH 5 mg/m3Occupational exposure limits — NIOSH Pocket Guide.
SynonymsO-Ethyl O-(4-nitrophenyl) phenylphosphonothioate · Ethyl p-nitrophenyl benzenethiophosphonate · O-Ethyl O-4-nitrophenyl phenylphosphonothioate · RefChem:596361 · Ethyl p-nitrophenyl phenylphosphorothioate · Ethyl p-nitrophenyl phenylphosphorothioate (EPN) · EPN · Santox
Molecular weight323.31 g/mol
Data sourceHarmonised classification ECHA — EU CLP Annex VILegally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.
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