Product Name

  • Name

    FENOXAPROP-P-ETHYL

  • EINECS 266-362-9
  • CAS No. 66441-23-4
  • Article Data10
  • CAS DataBase
  • Density 1.31g/cm3
  • Solubility
  • Melting Point 84-85oC
  • Formula C18H16 Cl N O5
  • Boiling Point 477.5°Cat760mmHg
  • Molecular Weight 361.782
  • Flash Point 242.6°C
  • Transport Information
  • Appearance
  • Safety Moderately toxic by ingestion, inhalation, intraperitoneal, and skin contact routes. When heated to decomposition it emits toxic vapors of NOx and Cl−.
  • Risk Codes 43-50/53-22
  • Molecular Structure Molecular Structure of 66441-23-4 (FENOXAPROP-P-ETHYL)
  • Hazard Symbols Xi,N,Xn
  • Synonyms Propanoicacid, 2-[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]-, ethyl ester, (?à)-;(?à)-Fenoxaprop-ethyl;Acclaim;Acclaim (herbicide);Ethyl 2-[4-(6-chlorobenzoxazolyl-2-oxy)phenoxy]propionate;Fenoxaprop ethylester;Fenoxaprop-ethyl;Furore;HOE 33171;HOE-A 25-01;Puma;Puma(herbicide);Puma S;Whip;
  • PSA 70.79000
  • LogP 4.60390

Fenoxaprop-ethyl Chemical Properties

Product Name: Fenoxaprop-ethyl 
CAS: 66441-23-4
Formula: C18H16ClNO5
Molecular Weight: 361.78
The Molecular Structure of Fenoxaprop-ethyl (CAS NO.66441-23-4):

Density: 1.31 g/cm3 
Flash Point: 242.6 °C
Boiling Point: 477.5 °C at 760 mmHg   
Index of Refraction: 1.587 
Molar Refractivity: 92.76 cm3 
Molar Volume: 275.9 cm3 
Polarizability: 36.77×10-24cm3 
Surface Tension: 47.3 dyne/cm
Appearance: Coarse light beige to brown powder. 
Enthalpy of Vaporization: 74.14 kJ/mol 
Vapour Pressure: 2.79E-09 mmHg at 25°C 
Water Solubility: 0.6447(mg/L) at 25°C 
Product Categories: alpha sort;e-galphabetic;alphabetic;F;FA - FLEnvironmental standards;herbicides;metabolitespesticides&metabolites;pesticides&metabolites;phenoxy structure.

Fenoxaprop-ethyl Toxicity Data With Reference

1.    

orl-rat LD50:2357 mg/kg

     PEMNDP    Pesticide Manual. 9 (1991),373.
2.    

ihl-rat LC50:>510 mg/m3

     NNGADV    Nippon Noyaku Gakkaishi. (Pesticide Science Society of Japan, 43-11, 1-Chome, Komagome, Toshima-ku, Tokyo 170, Japan) No. 17,S17 ,1992.
3.    

skn-rat LD50:>2 g/kg

     PEMNDP    Pesticide Manual. 9 (1991),373.
4.    

ipr-rat LD50:739 mg/kg

     85ESA3    Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals. 11 (1989),625.
5.    

orl-mus LD50:4670 mg/kg

     PEMNDP    Pesticide Manual. 9 (1991),373.
6.    

skn-rbt LD50:>2 g/kg

     FMCHA2    Farm Chemicals Handbook .(Meister Publishing,Willoughy, OH.: )1991,C136.
7.    

ihl-uns LC50:511 mg/m3/4H

     FMCHA2    Farm Chemicals Handbook .(Meister Publishing,Willoughy, OH.: )1991,C136.

Fenoxaprop-ethyl Safety Profile

Moderately toxic by ingestion, inhalation, intraperitoneal, and skin contact routes. When heated to decomposition it emits toxic vapors of NOx and Cl−.
Safety Information about Fenoxaprop-ethyl (CAS NO.66441-23-4):
Hazard Codes: 
Xi: N:
Risk Statements about Fenoxaprop-p-ethyl (CAS NO.66441-23-4):
R43: Causes burns.
R50/53: Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements about Fenoxaprop-p-ethyl (CAS NO.66441-23-4):
S24: Avoid contact with skin.
S37: Wear suitable gloves.
S60: This material and/or its container must be disposed of as hazardous waste.
S61: Avoid release to the environment. Refer to special instructions safety data sheet.
RIDADR: UN 3077 9/PG 3
RTECS: UA2454000

Fenoxaprop-ethyl Specification

  Fenoxaprop-ethyl with CAS number of 66441-23-4 is also known as  (+/-)-2-(4-((6-Chloro-2-benzoxazolyl)oxy)phenoxy)propanoic acid ethyl ester ; Acclaim ; BRN 1166633 ; Caswell No. 431C ; Depon ; EINECS 266-362-9 ; EPA Pesticide Chemical Code 128701 ; Ethyl (+-)-2-(4-(6-chloro-2-benzoxazolyloxy)phenoxy)propanoate ; Ethyl (D+)-2-(4-(6-chlor-2-benzoxazolyloxy)phenoxy)propanoate ; Ethyl (D+)-2-(4-(6-chlor-2-benzoxazolyloxy)phenoxy)propanoate [French] ; Ethyl-2-((4-(6-chloro-2-benzoxazolyloxy))-phenoxy)propionate ; Fenoxaprop ; Fenoxaprop ethyl ester ; Fenoxaprop ethyl ester [ANSI] ; Fenoxaprop-ethyl ; Furore ; Propanoic acid, 2-(4-((6-chloro-2-benzoxazolyl)oxy)phenoxy)-, ethyl ester, (+-)- ; Tiller Herbicide ; Whip . It can be used as herbicide.
 

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