Product Name

  • Name

    Cyphenothrin

  • EINECS 254-484-5
  • CAS No. 39515-40-7
  • Article Data3
  • CAS DataBase
  • Density 1.156 g/cm3
  • Solubility 0.001 mg l-1 (23 °C)
  • Melting Point 25oC
  • Formula C24H25NO3
  • Boiling Point 486.939 °C at 760 mmHg
  • Molecular Weight 375.467
  • Flash Point 211.584 °C
  • Transport Information UN 2810
  • Appearance Faint yellow sticky liquid.
  • Safety 60-61
  • Risk Codes 22-50/53
  • Molecular Structure Molecular Structure of 39515-40-7 (Cyphenothrin)
  • Hazard Symbols HarmfulXn, DangerousN
  • Synonyms Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, cyano(3-phenoxyphenyl)methyl ester(9CI);Chifenothrine;Gokilaht;Rarappu MC;S 2703;SP 2703;alpha-Cyano-3-phenoxybenzylchrysanthemate;alpha-Cyano-m-phenoxybenzyl2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate;
  • PSA 59.32000
  • LogP 5.82518

Cyphenothrin Chemical Properties


IUPAC Name: [Cyano-(3-phenoxyphenyl)methyl]2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate 
Empirical Formula: C24H25NO3
Molecular Weight: 375.4602
Canonical SMILES: CC(=CC1C(C1(C)C)C(=O)OC(C#N)C2=CC(=CC=C2)OC3=CC=CC=C3)C
InChI: InChI=1S/C24H25NO3/c1-16(2)13-20-22(24(20,3)4)23(26)28-21(15-25)17-9-8-12-19(14-17)27-18-10-6-5-7-11-18/h5-14,20-22H,1-4H3
InChIKey: FJDPATXIBIBRIM-UHFFFAOYSA-N
EINECS: 254-484-5 
Index of Refraction: 1.594
Molar Refractivity: 109.8 cm3
Molar Volume: 323.3 cm3 
Surface Tension: 49.1 dyne/cm
Density: 1.161 g/cm3
Flash Point: 209.4 °C
Enthalpy of Vaporization: 74.63 kJ/mol
Boiling Point: 481.6 °C at 760 mmHg
Vapour Pressure: 1.97E-09 mmHg at 25 °C
Product Categories: Alpha sort; C; CAlphabetic; CO - CZPesticides; Insecticides; Pesticides&Metabolites; Pyrethroids 
Classification Code of Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-, cyano(3-phenoxyphenyl)methylester (CAS NO.39515-40-7): Agricultural Chemical; Insecticide

Cyphenothrin Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 318mg/kg (318mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C156, 1991.
rat LD50 skin > 5gm/kg (5000mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C156, 1991.

Cyphenothrin Safety Profile

Hazard Codes: DangerousN,HarmfulXn
Risk Statements: 22-50/53 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R22:Harmful if swallowed.
Safety Statements: 60-61 
S60:This material and its container must be disposed of as hazardous waste. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 2810
RTECS: GZ1453500

Cyphenothrin Specification

  Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-, cyano(3-phenoxyphenyl)methylester (CAS NO.39515-40-7), its Synonyms are Cyphenothrin ; alpha-Cyano-3-phenoxybenzyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate .

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