O-CHLOROTOLUENE

Chemical Identification
CAS # 95-49-8
Formula

C₇H₇Cl

Synonyms

1-chloro-2-methylbenzene; 2-chloro-1-methylbenzene; 2-chlorotoluene; o-tolyl chloride

Physical Properties
Physical description Colorless liquid with an aromatic odor.
Boiling point 318.2°F Molecular weight 126.58
Freezing point/melting point -31.2°F Vapor pressure 4 mmHg at 77°F
Flash point 126°F Vapor density
Specific gravity 1.08 Ionization potential 8.83 eV
Lower explosive limit (LEL) Upper explosive limit (UEL) 1.36% (calculated)
NFPA health rating 2 NFPA fire rating 2
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.)
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
Sampler/Sampling media
Bulk Method
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 REL-TWA

50 ppm (250 mg/m³)

TLV-TWA

50 ppm [1971]

PEL-TWA

50 ppm (250 mg/m³)

PEL-STEL REL-STEL

75 ppm (375 mg/m³)

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

NA

Skin notation

N

Skin notation

N

Skin notation

Y

Notes:

Not established

Notes: Notes: Notes:
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Not listed Notes:
 

 

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

 

Last Updated Date : 01/31/2018