CHLOROBENZENE†

Chemical Identification

CAS # 108-90-7
Formula

C₆H₅Cl

Synonyms

benzene chloride; chlorobenzol; MCB; monochlorobenzene; phenyl chloride

Physical Properties

Physical description Colorless liquid with an almond-like odor.
Boiling point 270°F Molecular weight 112.6
Freezing point/melting point -50°F Vapor pressure 8.8 mmHg
Flash point 75°F Vapor density 3.88
Specific gravity 1.11 Ionization potential 9.07 eV
Lower explosive limit (LEL) 1.3% Upper explosive limit (UEL) 9.6%
NFPA health rating 3 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

Analyte code (IMIS no.) 0620
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
Sampling volume (TWA)*

10 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.

Bulk/Wipe Method

Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques

Device
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

75 ppm (350 mg/m³)

REL-TWA TLV-TWA

10 ppm [1988]

PEL-TWA

10 ppm (46 mg/m³)

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

N

Skin notation

N

Skin notation

N

Skin notation

N

Notes:

See 29 CFR 1910.1000 Table Z-1.

Notes:

See Appendix D, Substances with No Established RELs

Notes:

BEI®

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

1000 ppm

Carcinogenic classifications: EPA-D, TLV-A3 Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

Last Updated Date : 12/21/2020