Paraoxon-ethyl , ≥90%,oil , 311-45-5

Synonym(s):
O,O-Diethyl O-(4-nitrophenyl) phosphate;Diethyl p-nitrophenyl phosphate;Paraoxon;Paraoxon-ethyl

CAS NO.：311-45-5

Empirical Formula: C10H14NO6P

Molecular Weight: 275.2

MDL number: MFCD00007316

EINECS: 206-221-0

PRODUCT Properties

• Melting point: 300°C
• Boiling point: 169-170°C
• Density: 1.274 g/mL at 25 °C(lit.)
• refractive index: n20/D 1.51(lit.)
• storage temp.: 2-8°C
• solubility: Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
• form: oil
• color: yellow
• Odor: slt odor
• Water Solubility: 3.627g/L(20 ºC)
• Merck: 13,7102
• BRN: 1915526
• Henry's Law Constant: 9.1×10⁴ mol/(m³Pa) at 25℃, Duchowicz et al. (2020)
• Stability: Moisture Sensitive
• InChI: 1S/C10H14NO6P/c1-3-15-18(14,16-4-2)17-10-7-5-9(6-8-10)11(12)13/h5-8H,3-4H2,1-2H3
• InChIKey: WYMSBXTXOHUIGT-UHFFFAOYSA-N
• SMILES: CCOP(=O)(OCC)Oc1ccc(cc1)[N+]([O-])=O
• CAS DataBase Reference: 311-45-5
• EPA Substance Registry System: Paraoxon (311-45-5)

Description and Uses

A cholinesterase inhibitor

Safety

• Symbol(GHS): GHS06,GHS09
• Signal word: Danger
• Hazard statements: H300+H310-H410
• Precautionary statements: P262-P273-P280-P301+P310+P330-P302+P352+P310
• PPE: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
• Hazard Codes: T+,N
• Risk Statements: 26/27/28-50
• Safety Statements: 36/37/39-45-61
• RIDADR: UN 2810 6.1/PG 1
• WGK Germany: 3
• RTECS: TC2275000
• HazardClass: 6.1(a)
• PackingGroup: I
• Storage Class: 6.1A - Combustible acute toxic Cat. 1 and 2; very toxic hazardous materials
• Hazard Classifications: Acute Tox. 1 Dermal; Acute Tox. 1 Oral; Aquatic Acute 1; Aquatic Chronic 1
• Hazardous Substances Data: 311-45-5(Hazardous Substances Data)
• Toxicity: LD50 orally in rats: 1.8 mg/kg (Pickering, Malone)