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Chemical Sampling Information (CSI)
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General Description

Synonyms: (2-methyl-1,1-biphenyl-3-yl)-methyl-3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl cyclopropanecarboxylate; Talstar

OSHA IMIS Code Number: B760

Chemical Abstracts Service (CAS) Registry Number: 82657-04-3

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: GZ1227800

Chemical Description and Physical Properties:

off white to pale tan waxy solid with a very faint, slightly sweet odor
molecular weight: 422.87
vapor pressure: 1.80X10-7 mm Hg @ 25°C/4°C
molecular formula: C23H22ClF3O2
melting point: 69°C

Health Factors

Potential Symptoms: Large doses may cause incoordination, tremor, salivation, vomiting, diarrhea, and irritability to sound and touch

Affected Organs: CNS, skin, eyes

Notes:

  1. Bifenthrin is moderately toxic to mammals when ingested. The dose at which half of the test animal die, the LD50, for bifenthrin is about 54 mg/kg in female rats and 70 mg/kg in male rats.
  2. Pyrethroids are poisons that affect the electrical impulses in nerves, over stimulating nerve cells causing tremors and eventually causing paralysis.

Literature Basis:


Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: OSHA Versatile Sampler (OVS-2) - 13 mm XAD-2 tube (270/140 mg sections, 20/40 mesh) with glass fiber filter enclosed
    analytical solvent: Toluene
    maximum volume: 480 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: Gas Chromatography; GC/ECD
    method reference: OSHA (In-House File)
    method classification: Study

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