O-Ethyl O-p-nitrophenyl benzenethiophosphonate
[CAS# 2104-64-5]

Identification

• Classification: Analytical chemistry >> Standard >> Pesticides, veterinary drugs and fertilizers
• Name: O-Ethyl O-p-nitrophenyl benzenethiophosphonate
• Synonyms: EPN; EPN 300; NSC 404840; NSC 8943
• Molecular Formula: C₁₄H₁₄NO₄PS
• Molecular Weight: 323.31
• CAS Registry Number: 2104-64-5
• EC Number: 218-276-8

Properties

• Solubility: Insoluble (1.8E^-3 g/L) (25 ºC), Calc.^*
• Density: 1.3 g/cm^3**
• Melting point: 36 ºC^**
• Refractive index: 1.6021 (589.3 nm 25 ºC)^***

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** "International Chemical Safety Cards" data were obtained from the National Institute for Occupational Safety and Health (US)

^*** Jelinek, Arthur G.; US 2503390 1950.

Safety Data

• Hazard Symbols: GHS06;GHS09 Danger
• Hazard Statements: H310-H300-H400-H410
• Safety Description: S22;S36/37;S45;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	2	H300
Acute toxicity	Acute Tox.	1	H310
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410

• Transport Information: UN 2811 6.1 / PGI