BIFENTHRIN | Occupational Safety and Health Administration

BIFENTHRIN

Chemical Identification
Chemical Identification
CAS #	82657-04-3
Formula	C₂₃H₂₂ClF₃O₂
Synonyms	(2-methyl-1,1-biphenyl-3-yl)-methyl-3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl cyclopropanecarboxylate; Talstar®

Physical Properties
Physical Properties
Physical description	Off-white to pale tan waxy solid with a very faint slightly sweet odor.
Boiling point		Molecular weight	422.87
Freezing point/melting point	156.2°F	Vapor pressure	1.335x10-8 mmHg
Flash point	329°F (closed cup)	Vapor density
Specific gravity		Ionization potential
Lower explosive limit (LEL)		Upper explosive limit (UEL)
NFPA health rating		NFPA fire rating
NFPA reactivity rating		NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Monitoring Methods Used by OSHA
Analyte code (IMIS no.)
Sampling group
Sampler/Sampling media
Sampling time^*
Sampling volume (TWA)^*
Sampling flow rate (TWA)^*
Sampling volume (STEL/Peak/C)^*
Sampling flow rate (STEL/Peak/C)^*
Analytical method instruments
Method reference
Notes
Special requirements

^* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Wipe Method
Wipe Method
Sampler/Sampling media

Bulk Method
Bulk Method

On-Site Screening Techniques
On-Site Screening Techniques
Device
Model/Type
Sampling information (see manufacturer instructions)

Exposure Limits
Exposure Limits
OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak		NIOSH REL Up to 10-hour TWA (ST) STEL (C) Ceiling		ACGIH TLV© 8-hour TWA (ST) STEL (C) Ceiling		CAL/OSHA PEL 8-hour TWA (ST) STEL (C) Ceiling Peak
PEL-TWA		REL-TWA		TLV-TWA		PEL-TWA
PEL-STEL		REL-STEL		TLV-STEL		PEL-STEL
PEL-C		REL-C		TLV-C		PEL-C
Skin notation	NA	Skin notation	NA	Skin notation	NA	Skin notation	NA
Notes: Not established		Notes: Not established		Notes: Not established		Notes: Not established
Health factors: See NIH-NLM PubChem.		IDLH
Carcinogenic classifications:		Notes:

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References
Additional Resources and Literature References
NOAA: CAMEO Chemicals - Bifenthrin NIOSH: Pocket Guide to Chemical Hazards - Bifenthrin Literature References Environmental Health Criteria 99: Cyhalothrin, World Health Organization (WHO), p.13 (1990). Other Insecticides, Acaricides, and Repellents , Pyrethroids, Recognition and Management of Pesticide Poisonings, Fifth Edition, Chapter 8, Environmental Protection Agency (EPA), (1999). Toxicological Profile for Pyrethrins and Pyrethroids , Agency for Toxic Substances and Disease Registry (ATSDR) (September 2003).

Last Updated Date : 12/17/2020