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Home » Products » Pyrethroid
Pyrethroid
  • Empenthrin

Empenthrin

  • Description:
  • Empenthrin content:

    Min. 93%.

    Appearance:

    Yellow to brown oily liquid.

    Moisture:

    Max. 0.20%.

    Acidity (as H2SO4) :

    Max. 0.20%.

  • Description

CHEMICAL IDENTIFICATION
Product name: Empenthrin
Other name: d-Empenthrin, Vaporthrin
Chemical name: (E)-(RS)-1-ethynyl-2-methylpent-2-enyl (1R, 3RS; 1R, 3SR)-2,2-dimethyl -3-(2-methylprop-1-enyl)cyclopropanecarboxylate
Chemical family: Synthetic Pyrethroids
CAS number: 54406-48-3
EC number: 259-154-4
Molecular formula: C18H26O2
Molecular weight: 274.4

 
PHYSICAL CHEMISTRY
Purity: 93% Min.
Appearance: Yellow to brown oily liquid.
Odour: Faint characteristic odour.
Boiling point: 346℃ at 760 mmHg
Flash point: 107℃
Density: 0.927 (20℃)
Vapor pressure: 2.09x10-1pa(25℃)
Viscosity: 4.7CP(25℃)
Solubility: Hardly soluble in water (0.111 mg/l (25℃)), soluble in many organic solvents such as hexane, xylene, ethanol and kerosene.
Stability: Stable under normal conditions for at least 2 years.
 
PROPERTIES
Empenthrin has a very high vapor pressure at normal temperature and has strong poisoning action to insects. As a fumigant, it is used, heated or not, for controlling mosquitoes, flies and other pests. It also substitutes for camphor balls to preserve textiles.
 
TOXICOLOGY
Acute toxicity:
Acute oral LD50 to female rats > 3500 mg/kg; to male rats > 5000 mg/kg; to mice > 3500 mg/kg.
Acute dermal LD50 to rats > 5000mg/kg.
Inhalation: LC50 (4 h) for rats > 4610 mg/m3.
Irritancy:
Eye irritancy: Slight irritating.
Skin irritancy: Non irritating.
Sensitisation: Non sensitising.
Long term toxicity: Non teratogenic, non mutagenic, non carcinogenic.
 
PACKAGING
Empenthrin is supplied in the packaging described below:
PVF-lined Steel drums, standard size (net weight) -- 25 kg.
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