1,2-DIBROMO-3-CHLOROPROPANE‡

Chemical Identification

CAS # 96-12-8
Formula
 

C₃H₅Br₂Cl

Synonyms
 

1-chloro-2,3-dibromopropane; DBCP; cibromochloropropane

Physical Properties

Physical description Dense yellow or amber liquid with a pungent odor at high concentrations.
Boiling point 384°F Molecular weight 236.4
Freezing point/melting point 43°F Vapor pressure 0.8 mmHg
Flash point 170°F (open cup) Vapor density
Specific gravity 2.05 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

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.

Bulk/Wipe Method

Wipe Sampler/Sampling media
 

 

Bulk Method
 

 

On-Site Screening Techniques

Device Photoionization detector(PID)
Model/Type
Sampling information
(see manufacturer instructions)

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
 

0.001 ppm

REL-TWA
 

 

TLV-TWA
 

 

PEL-TWA
 

0.001 ppm (0.01 mg/m³)

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

 

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

Y

Skin notation
 

N

Skin notation
 

NA

Skin notation
 

Y

Notes:
 

See 29 CFR 1910.1044, 1,2-dibromo-3-chloropropane.

Notes:
 

CARCINOGEN (Ca): REDUCE EXPOSURE TO LOWEST FEASIBLE CONCENTRATION. See Appendix A, NIOSH Potential Occupational Carcinogens.

Notes:
 

Not established

Notes:
 

See also California Code of Regulations, Title 8 §5212. 1,2-Dibromo-3-Chloropropane (DBCP).

Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: IARC-2B, NIOSH-Ca, NTP-R, OSHA-Ca Notes:
 

Ca

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

 

Additional Resources and Literature References

Last Updated Date : 12/14/2020