Product Name

  • Name

    FLAMPROP-METHYL

  • EINECS
  • CAS No. 52756-25-9
  • Article Data3
  • CAS DataBase
  • Density 1.309g/cm3
  • Solubility
  • Melting Point 84-86℃
  • Formula C17H15 Cl F N O3
  • Boiling Point 459.5oC at 760 mmHg
  • Molecular Weight 335.762
  • Flash Point >100oC
  • Transport Information
  • Appearance
  • Safety A poison by skin contact and intraperitoneal routes. Moderately toxic by ingestion. When heated to decomposition it emits toxic vapors of NOx, F−, and Cl−.
  • Risk Codes R22; R51/53
  • Molecular Structure Molecular Structure of 52756-25-9 (FLAMPROP-METHYL)
  • Hazard Symbols Xn,N
  • Synonyms DL-Alanine,N-benzoyl-N-(3-chloro-4-fluorophenyl)-, methyl ester;DL-N-Benzoyl-N-(3-chloro-4-fluorophenyl)alanine methyl ester; Flamprop-methyl;Flufenprop-methyl; Mataven; Methyl2-[benzoyl(3-chloro-4-fluorophenyl)amino]propionate; Super-Suffix; WL 29761
  • PSA 46.61000
  • LogP 3.68740

Flufenprop-methyl Chemical Properties

IUPAC Name: Methyl 2-(N-benzoyl-3-chloro-4-fluoroanilino)propanoate
Synonyms of Flufenprop-methyl (CAS NO.34691-31-1): DL-Alanine, N-benzoyl-N-(3-chloro-4-fluorophenyl)-, methyl ester ; Flamprop-methyl ; Lancer ; Mataven ; Methyl 2-(benzoyl(3-chloro-4-fluorophenyl)amino)propionate ; Methyl N-benzoyl-N-(3-chloro-4-fluorophenyl)-DL-alaninate ;Suffix plus ; Super-Suffix Alanine, N-benzoyl-N-(3-chloro-4-fluorophenyl)-, methyl ester ; Propionic acid, 2-(N-(3-chloro-4-fluorophenyl)benzamido)-, methyl ester
Product Categories: Alpha sort;AmidePesticides&Metabolites;E-GAlphabetic;F;FA - FLEnvironmental Standards;Herbicides;Metabolites;Pesticides&Metabolites
InChI: InChI=1/C17H15ClFNO3/c1-11(17(22)23-2)20(13-8-9-15(19)14(18)10-13)16(21)12-6-4-3-5-7-12/h3-11H,1-2H3
CAS NO: 34691-31-1
Molecular Formula: C17H15ClFNO3
Molecular Weight : 335.7573
Molecular Structure:
EINECS: 258-155-7
H bond acceptors: 4
H bond donors: 0
Freely Rotating Bonds: 5
Polar Surface Area: 46.61 Å2
Index of Refraction: 1.586
Molar Refractivity: 86.05 cm3
Molar Volume: 256.3 cm3
Surface Tension: 47.9 dyne/cm
Density: 1.309 g/cm3
Flash Point: 231.7 °C
Enthalpy of Vaporization: 72 kJ/mol
Storage temp: 0-6°C

Flufenprop-methyl Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
bird - domestic LD50 oral > 1gm/kg (1000mg/kg)   Pesticide Manual. Vol. 9, Pg. 393, 1991.
mouse LD50 oral 720mg/kg (720mg/kg)   Pesticide Manual. Vol. 9, Pg. 393, 1991.
rat LD50 intraperitoneal 350mg/kg (350mg/kg)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A210, Pg. 1983,
rat LD50 oral 1200mg/kg (1200mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C190, 1991.
rat LD50 skin > 294mg/kg (294mg/kg)   Pesticide Manual. Vol. 9, Pg. 393, 1991.

Flufenprop-methyl Safety Profile

Hazard Codes:HarmfulXn,DangerousN
Risk Statements: 22-51/53
R22: Harmful if swallowed. 
R51/53: Flufenprop-methyl (CAS NO.34691-31-1) is toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 61
S61: Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN3077 9/PG 3
RTECS: UE8900000


A poison by skin contact and intraperitoneal routes. Moderately toxic by ingestion. When Flufenprop-methyl (CAS NO.34691-31-1) is heated to decomposition, it emits toxic vapors of NOx, F−, and Cl−.

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