4-CHLORO-O-TOLUIDINE

Chemical Identification
Chemical Identification
CAS # 95-69-2
Formula

C₇H₈ClN

Synonyms

2-amino-5-chlorotoluene; 5-chloro-2-aminotoluene; 4-chloro-2-methylbenzeneamine; 4-chloro-2-toluidine; 4-chloro-6-methylaniline; Fast Red TR; Fast Red TR 11; Fast Red TR Base; P-chloro-o-toluidine

Physical Properties
Physical Properties
Physical description Gray to white solid with a weak fishy odor.
Boiling point 466°F Molecular weight 141.6
Freezing point/melting point 72°F Vapor pressure
Flash point 320°F Vapor density
Specific gravity >1.1 (estimated) 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
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
Wipe Method
Sampler/Sampling media
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
 

 

TLV-TWA
 

 

PEL-TWA
 

 

PEL-STEL REL-STEL
 

 

TLV-STEL
 

 

PEL-STEL
 

 

PEL-C REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation

NA

Skin notation
 

NA

Skin notation
 

NA

Skin notation
 

NA

Notes:
 

Not established

Notes:
 

Not established

Notes:
 

Not established

Notes:
 

Not established

Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: IARC-2A, NTP-R Notes:
 

 

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

 

Additional Resources and Literature References
Additional Resources and Literature References

NOAA: CAMEO Chemicals - 4-Chloro-o-toluidine

NIOSH: Pocket Guide to Chemical Hazards - 4-Chloro-o-toluidine

Literature References

 

 

Last Updated Date : 12/15/2020