P-TERT-BUTYLTOLUENE†

Chemical Identification
Chemical Identification
CAS # 98-51-1
Formula

C₁₁H₁₆

Synonyms

benzenyl chloride

Physical Properties
Physical Properties
Physical description Colorless liquid with a distinct aromatic odor, somewhat like gasoline.
Boiling point 379°F Molecular weight 148.3
Freezing point/melting point -62°F Vapor pressure 0.7 mmHg@77°F
Flash point 155°F Vapor density
Specific gravity 0.8612 Ionization potential 8.28 eV
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.) 0485
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
Sampling volume (TWA)*

1-29 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 1501 (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
Bulk Method
Bulk Method
On-Site Screening Techniques
On-Site Screening Techniques
Device Infrared spectrophotometer Infrared spectrophotometer
Model/Type Miran 1A & 1B Miran 103
Sampling information
(see manufacturer instructions)
2 ppm@12.3 µm 0-100 ppm@12.3 µm
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

10 ppm (60 mg/m³)

REL-TWA

10 ppm (60 mg/m³)

TLV-TWA

1 ppm [1990]

PEL-TWA

1 ppm (6.1 mg/m³)

PEL-STEL REL-STEL

20 ppm (120 mg/m³)

TLV-STEL PEL-STEL

20 ppm (120 mg/m³)

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

100 ppm

Carcinogenic classifications: 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 - P-Tert-Butyltoluene

NIOSH: Pocket Guide to Chemical Hazards - p-tert-Butyltoluene

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - p-tert-Butyl toluene. See annual publication for most recent information.

Last Updated Date : 01/11/2021