1,3-DICHLOROPROPENE

Chemical Identification
Chemical Identification
CAS # 542-75-6
Formula
 

C₃H₄Cl₂

Synonyms
 

3-chloroallyl chloride; DCP; 1,3-dichloro-1-propene; 1,3-dichloropropylene; telone

Physical Properties
Physical Properties
Physical description Colorless to straw-colored liquid with a sharp, sweet, irritating, chloroform-like odor.
Boiling point 226°F Molecular weight 111.0
Freezing point/melting point -119°F Vapor pressure 28 mmHg at 77°
Flash point 95°F Vapor density 3.86
Specific gravity 1.21 Ionization potential
Lower explosive limit (LEL) 5.3% Upper explosive limit (UEL) 14.5%
NFPA health rating 2 NFPA fire rating 3
NFPA reactivity rating 0 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.) D177
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
 
 

 

Sampling volume (TWA)*
 
 

3 L

Sampling flow rate (TWA)*
 
 

0.01-0.2 L/min

Sampling volume (STEL/Peak/C)*
 
 

 

Sampling flow rate (STEL/Peak/C)*
 
 

 

Analytical method instruments GC-FID
Method reference NIOSH 1003 (partially 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
 

Wipe with charcoal pad, seal in glass vial for shipment. [3M 3500]

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
 

1 ppm (5 mg/m³)

TLV-TWA
 

1 ppm [2003]

PEL-TWA
 

1 ppm (5 mg/m³)

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

 

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

NA

Skin notation
 

Y

Skin notation
 

Y

Skin notation
 

Y

Notes:
 

Not established

Notes:
 

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

Notes:
 

 

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: IARC-2B, NIOSH-Ca, NTP-R, TLV-A4, EPA-B2; K 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 - 1,3-Dichloropropene

NIOSH: Pocket Guide to Chemical Hazards - 1,3-Dichloropropene

Literature References

 
  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - 1,3-Dichloropropene. See annual publication for most recent information.

Last Updated Date : 12/14/2020