Product Name

  • Name

    D-trans-Allethrin

  • EINECS 209-542-4
  • CAS No. 28057-48-9
  • Density 1.05 g/cm3
  • Solubility
  • Melting Point
  • Formula C19H26O3
  • Boiling Point 386.8 ºC at 760 mmHg
  • Molecular Weight 302.41
  • Flash Point 166 ºC
  • Transport Information UN3082 9/PG 3
  • Appearance
  • Safety 36-60-61
  • Risk Codes 20/22-50/53
  • Molecular Structure Molecular Structure of 28057-48-9 (D-trans-Allethrin)
  • Hazard Symbols DangerousN,HarmfulXn
  • Synonyms D-trans-2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate;2-Methyl-4-oxo-3-(2-propenyl)-2-cyclopenten-1-yl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate trans-(+)-;Caswell no. 025a;
  • PSA 40.13000
  • LogP 0.97470

D-trans-Allethrin Chemical Properties


IUPAC Name: [(1S)-2-Methyl-4-oxo-3-prop-2-enylcyclopent-2-en-1-yl](1R,3R)-3-ethenyl-2,2-dimethylcyclopropane-1-carboxylate 
Empirical Formula: C19H26O3
Molecular Weight: 302.4079
Canonical SMILES: CC1=C(C(=O)CC1OC(=O)C2C(C2(C)C)C=C)CC=C
Isomeric SMILES: CC1=C(C(=O)C[C@@H]1OC(=O)[C@@H]2[C@H](C2(C)C)C=C)CC=C
InChI: InChI=1S/C17H22O3/c1-6-8-11-10(3)14(9-13(11)18)20-16(19)15-12(7-2)17(15,4)5/h6-7,12,14-15H,1-2,8-9H2,3-5H3/t12-,14+,15+/m1/s1
EINECS: 209-542-4 
storage temp.: 0-6 °C 
Index of Refraction: 1.515
Molar Refractivity: 86.75 cm3
Molar Volume: 287.5 cm3 
Surface Tension: 36.3 dyne/cm
Density: 1.05 g/cm3
Flash Point: 166 °C
Enthalpy of Vaporization: 63.57 kJ/mol
Boiling Point: 386.8 °C at 760 mmHg
Vapour Pressure: 3.46E-06 mmHg at 25 °C
Product Categories of D-trans-Allethrin (CAS NO.28057-48-9): Alphabetic; B; BI - BZPesticides; Insecticides; Pyrethroids

D-trans-Allethrin Safety Profile

Hazard Codes: HarmfulXn,DangerousN
Risk Statements: 20/22-50/53 
R20/22:Harmful by inhalation and if swallowed. 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 36-60-61 
S36:Wear suitable protective clothing. 
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: UN3082 9/PG 3

D-trans-Allethrin Specification

  D-trans-Allethrin (CAS NO.28057-48-9), its Synonyms are 2-Methyl-4-oxo-3-(2-propenyl)-2-cyclopenten-1-yl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate trans-(+)- ; Caswell No. 025A ; DL-2-Allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one, d-trans-chrysanthemum monocarboxylic ester ; Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, 2-methyl-4-oxo-3-(2-propenyl)-2-cyclopenten-1-yl ester, trans-(+)- .

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