1. OSHA Occupational Chemical Database
  2. ETHYL METHACRYLATE
Label abbreviations descriptions

ETHYL METHACRYLATE

Chemical Identification
Chemical Identification
CAS # 97-63-2
Formula

C₆H₁₀O₂
Synonyms

methacrylic acid, ethyl ester; ethyl 2-methylacrylate; ethyl 2-methyl-2-propenoate; Rhoplex AC-33; 2-propenoic acid, 2-methyl-ethyl ester
Physical Properties
Physical Properties
Physical description A colorless moderately toxic liquid with an acrid odor.
Boiling point 243°F Molecular weight 114.15
Freezing point/melting point -103°F Vapor pressure 14 mmHg at 36°F, 26.2 mmHg at 73°F, 67 mmHg at 118°F
Flash point 60°F Vapor density 3.94
Specific gravity 0.9151 Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating 2 NFPA fire rating 3
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.) E115
Sampling group
Sampler/Sampling media
Sampling time*

50 min
Sampling volume (TWA)*

10 L
Sampling flow rate (TWA)*
 

0.2 L/min
Sampling volume (STEL/Peak/C)*
 

 
Sampling flow rate (STEL/Peak/C)*
 

 
Analytical method instruments
Method reference OSHA PV2100 (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
 

 

 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: Not listed 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 - Ethyl methacrylate

NIOSH: Pocket Guide to Chemical Hazards - Ethyl methacrylate

Literature References

 
  • Abou-Donia, M.B., et al.: Neurotoxicity of ethyl methacrylate in rats. Toxicol. Environ. Health A 59(2): 97-118, 2000.
  • Cosmetic Ingredient Review Expert Panel: Amended final report on the safety assessment of ethyl methacrylate. Int. J. Toxicol. 21(Suppl. 1): 63-79, 2002.
  • Kanerva, L., Jolanki, R. and Estlander, T.: 10 years of patch testing with the (meth)acrylate series. Contact Dermatitis 37(6): 255-258, 1997.
  • McCarthy, T.J. and Witz, G.: Structure-activity relationships in the hydrolysis of acrylate and methacrylate esters by carboxylesterase in vitro. Toxicology 116(1-3): 153-158, 1997.
  • Olson, M.J., Martin, J.L., LaRosa, A.C., Brady, A.N. and Pohl, L.R.: Immunohistochemical localization of carboxylesterase in the nasal mucosa of rats. J. Histochem. Cytochem. 41(2): 307-311, 1993.
  • Pohanish, R.P. (editor): Ethyl methacrylate. Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 1117-1118.

Last Updated Date : 12/19/2018