Product Name

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  • Name

    DIMETHYL-P-NITROPHENYLPHOSPHATE

  • EINECS
  • CAS No. 950-35-6
  • Article Data14
  • CAS DataBase
  • Density 1.383 g/cm3
  • Solubility
  • Melting Point 0-4 °C
  • Formula C8H10 N O6 P
  • Boiling Point 315 °C at 760 mmHg
  • Molecular Weight 247.144
  • Flash Point 144.3 °C
  • Transport Information
  • Appearance
  • Safety Poison by ingestion, intravenous, subcutaneous, intraperitoneal, and intramuscular routes. When heated to decomposition it emits very toxic fumes of POx and NOx. See also ESTERS.
  • Risk Codes 28
  • Molecular Structure Molecular Structure of 950-35-6 (DIMETHYL-P-NITROPHENYLPHOSPHATE)
  • Hazard Symbols
  • Synonyms Phosphoricacid, dimethyl p-nitrophenyl ester (6CI,7CI,8CI); Phenol, p-nitro-, dimethylphosphate (6CI); BAY 11678; Desmethylnitrophos; Dimethyl 4-nitrophenylphosphate; Dimethyl p-nitrophenyl phosphate; Dimethyl paraoxon; Methyl-E 600;Methylparaoxon; Methylparathion oxon; Paraoxon methyl; p-Nitrophenyl dimethylphosphate
  • PSA 100.39000
  • LogP 2.89770

PHOSPHORIC ACID, DIMETHYL-p-NITROPHENYL ESTER Chemical Properties

IUPAC Name: Dimethyl (4-nitrophenyl) phosphate
Synonyms: O,O-Dimethyl O-(4-nitrophenyl) phosphate ; Paraoxon-methyl ; Bay 11678 ; Bay11678 ; Desmethylnitrophos ; Dimethyl paraoxon ; Dimethyl-4-nitrophenylphosphate ; Dimethylparaoxon
CAS NO: 950-35-6
Molecular Formula of Phosphoric acid, dimethyl-p-nitrophenyl ester (CAS NO.950-35-6) : C8H10NO6P
Molecular Weight  of Phosphoric acid, dimethyl-p-nitrophenyl ester (CAS NO.950-35-6) : 247.14
Molecular Structure  of Phosphoric acid, dimethyl-p-nitrophenyl ester (CAS NO.950-35-6) :
Mol File: 950-35-6.mol
Index of Refraction: 1.521
Surface Tension: 48.1 dyne/cm
Density: 1.383 g/cm3
Flash Point: 144.3 °C
Enthalpy of Vaporization: 53.41 kJ/mol
Boiling Point: 315 °C at 760 mmHg
Vapour Pressure: 0.000829 mmHg at 25°C
Melting point: 0-4 °C

PHOSPHORIC ACID, DIMETHYL-p-NITROPHENYL ESTER Toxicity Data With Reference

1.    

orl-rat LD50:3270 µg/kg

     28ZPAK    Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,206.
2.    

ivn-rat LD50:457 µg/kg

     BJIMAG    British Journal of Industrial Medicine. 22 (1965),317.
3.    

ims-rat LD50:1690 µg/kg

     BJIMAG    British Journal of Industrial Medicine. 22 (1965),317.
4.    

orl-mus LD50:21 mg/kg

     JAFCAU    Journal of Agricultural and Food Chemistry. 17 (1969),243.
5.    

ipr-mus LD50:708 µg/kg

     PHARAT    Pharmazie. 35 (1980),806.
6.    

scu-mus LD50:1400 µg/kg

     AMIHAB    AMA Archives of Industrial Health. 11 (1955),487.
7.    

orl-gpg LD50:83 mg/kg ABCHA6 27,669,63
8.    

ivn-gpg LD50:2200 µg/kg ABCHA6 27,669,63

PHOSPHORIC ACID, DIMETHYL-p-NITROPHENYL ESTER Safety Profile

Poison by ingestion, intravenous, subcutaneous, intraperitoneal, and intramuscular routes. When heated to decomposition it emits very toxic fumes of POx and NOx. See also ESTERS.
Hazard Codes VeryT+
Risk Statements 28
R28:Very toxic if swallowed.
Safety Statements 28-36/37-45 
S28:After contact with skin, wash immediately with plenty of soap-suds. 
S36/37:Wear suitable protective clothing and gloves.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR 3018
RTECS TC5250000
HazardClass 6.1(a)
PackingGroup I

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