VINYL TOLUENE†

Chemical Identification
Chemical Identification
CAS # 25013-15-4
Formula

C₉H₁₀

Synonyms

methylstyrene; tolyethylene; ortho, meta & para-vinyltoluene (mixed isomers)

Physical Properties
Physical Properties
Physical description Colorless liquid with a strong, disagreeable odor.
Boiling point 339°F Molecular weight 118.2
Freezing point/melting point -106°F Vapor pressure 1 mmHg
Flash point 127°F Vapor density 4.08
Specific gravity 0.89 Ionization potential 8.20 eV
Lower explosive limit (LEL) 0.8% Upper explosive limit (UEL) 11.0%
NFPA health rating 2 NFPA fire rating 2
NFPA reactivity rating 2 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.) 2582
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*

150 min

Sampling volume (TWA)*

30 L

Sampling flow rate (TWA)*

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
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

100 ppm (480 mg/m³)

REL-TWA

100 ppm (480 mg/m³)

TLV-TWA

50 ppm [1992]

PEL-TWA

50 ppm (240 mg/m³)

PEL-STEL REL-STEL TLV-STEL

100 ppm [1992]

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

400 ppm

Carcinogenic classifications: IARC-3, TLV-A4 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 - Vinyltoluene, stabilized

NIOSH: Pocket Guide to Chemical Hazards - Vinyl toluene

Literature References

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Vinyl toluene. See annual publication for most recent information.
  • Ma, M., et al.: Influence of genetic polymorphisms of styrene-metabolizing enzymes and smoking habits on levels of urinary metabolites after occupational exposure to styrene. Toxicol. Lett. 160(1): 84-91, 2005.
  • National Toxicology Program: NTP toxicology and carcinogenesis studies of vinyl toluene (mixed isomers) (65%-71% meta-isomer and 32-35% para-isomer) (CAS No. 25013-15-4) in F344/N rats and BeC3F1 mice (inhalation studies). Natl. Toxicol. Program Tech. Rep. Ser. 375: 1-191, 1990.
  • No authors listed: Vinyl toluene. IARC Monogr. Eval. Carcinog. Risks Hum. 60: 373-388, 1994.
  • Pohanish, R.P. (editor): Vinyl Toluene. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 2. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 2333-2335.
  • Romanelli, A., Falzoi, M., Mutti, A., Bergamaschi, E. and Franchini, I.: Effects of some monocyclic aromatic solvents and their metabolites on brain dopamine in rabbits. J. Appl. Toxicol. 6(6): 431-436, 1986.

Last Updated Date : 01/14/2021