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Merck
CN

Specification Sheet

Product Name
Permethrin PESTANAL®, analytical standard

Product Number
45614

Product Brand
sial

CAS Number
52645-53-1

Molecular Weight
391.29

Test

Specification

APPEARANCE (COLOR)White to Light Yellow to Light Beige
APPEARANCE (FORM)Powder or Solid or Crystals or Semi-Solid or Liquid
PURITY (HPLC AREA %)55 - 80% Trans-Isomer
HPLC MINOR COMPONENT (AREA %)20 - 45% Cis-Isomer
REMARKS ON HPLC≥ 90.0% Sum of Cis+Trans
DSC Onset25.0 - 35.0 C
WATER≤ 1.0 %
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
EXPIRY PERIOD60 MONTHS