CHLORDANE†

Chemical Identification
Chemical Identification
CAS # 57-74-9
Formula

C₁₀H₆Cl₈

Synonyms

Chlordan; Chlordano; 1,2,4,5,6,7,8,8-octachloro-3a,4,7,7a-tetrahydro-4,7-methanoindane

Physical Properties
Physical Properties
Physical description Amber-colored, viscous liquid with a pungent, chlorine-like odor.
Boiling point decomposes Molecular weight 409.8
Freezing point/melting point 217-228°F Vapor pressure 0.00001 mmHg
Flash point Vapor density 14
Specific gravity 1.56 Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 3 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.) 0611
Sampling group
Sampler/Sampling media OSHA versatile sampler (OVS-2) - 13 mm XAD-2 tube (270/140 mg) with GFF enclosed [SKC 226-30-16]
Sampling time*
Sampling volume (TWA)*

480 L

Sampling flow rate (TWA)*

1 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-ECD
Method reference OSHA 67 (fully validated)
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

Limit the amount of bulk submitted to 1 g or 1 mL.

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

0.5 mg/m³

REL-TWA

0.5 mg/m³

TLV-TWA

0.5 mg/m³ (inhalable fraction and vapor) [1985]

PEL-TWA

0.5 mg/m³

PEL-STEL REL-STEL TLV-STEL PEL-STEL
PEL-C REL-C TLV-C PEL-C
Skin notation

Y

Skin notation

Y

Skin notation

Y

Skin notation

Y

Notes:

See 29 CFR 1910.1000 Table Z-1.

Notes:

CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A.

Notes: Notes:
Health factors:  See NIH-NLM PubChem. IDLH

100 mg/m³

Carcinogenic classifications: IARC-2B, NIOSH-Ca, TLV-A3, EPA-B2 Notes:

Ca

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - Chlordane, [flammable liquid label]

NIOSH: Pocket Guide to Chemical Hazards - Chlordane

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Chlordane. See annual publication for most recent information.
  • International Agency for Research on Cancer: Chlordane and Heptachlor (Group 2B). IARC Summaries & Evaluations, Vol 79, 2001.
  • EPA Air Toxics Website: Chlordane. U.S. Environmental Protection Agency Technology Transfer Network.
  • Kilburn, K.H. and Thornton, J.C.: Protracted neurotoxicity from chlordane sprayed to kill termites. Environ. Health Perspect. 103(7-8): 690-694, 1995.
  • Pohanish, R.P. (editor): Chlordane. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 520-523.

Last Updated Date : 12/21/2020