METHYL ACRYLATE†

Chemical Identification
Chemical Identification
CAS # 96-33-3
Formula

C₄H₆O₂

Synonyms

methoxycarbonylethylene; methyl acrylate, inhibited; methyl ester of acrylic acid; methyl propenoate

Physical Properties
Physical Properties
Physical description Colorless liquid with an acrid odor.
Boiling point 176.9°F Molecular weight 86.09
Freezing point/melting point -106°F Vapor pressure 65 mmHg
Flash point 44°F Vapor density 3
Specific gravity 0.956 Ionization potential 9.90 eV
Lower explosive limit (LEL) 2.8% Upper explosive limit (UEL) 25%
NFPA health rating 3 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.) 1653
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) coated with 10% t-butylcatechol [SKC 226-73]
Sampling time*
 

240 min 

Sampling volume (TWA)*
 

12 L

Sampling flow rate (TWA)*
 

0.05 L/min

Sampling volume (STEL/Peak/C)*
 

0.75 L

Sampling flow rate (STEL/Peak/C)*
 

0.05 L/min

Analytical method instruments GC-FID
Method reference OSHA 92 (fully 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
 

Wipe with charcoal pad, seal in glass vial for shipment. [3M 3500]

Bulk Method
Bulk Method
 

 

On-Site Screening Techniques
On-Site Screening Techniques
Device Detector tube Detector tube Detector tube
Model/Type Dräger - Methyl Acrylate 5/a; 6728161 Gastec 141L Matheson-Kitagawa 8014-211U
Sampling information
(see manufacturer instructions)
20 strokes, approx 2-200 ppm range, uncertainty approx 50% 2 strokes, 10-400 ppm range; uncertainty 25% 2 strokes, approx 2-60 ppm range
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 (35 mg/m³)

REL-TWA
 

10 ppm (35 mg/m³)

TLV-TWA
 

2 ppm [1997]

PEL-TWA
 

10 ppm (35 mg/m³)

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

 

PEL-STEL
 

 

PEL-C
 

 

REL-C
 

 

TLV-C
 

 

PEL-C
 

 

Skin notation
 

Y

Skin notation
 

Y

Skin notation
 

Y

Skin notation
 

Y

Notes:
 

See 29 CFR 1910.1000 Table Z-1.

Notes:
 

 

Notes:
 

dermal sensitization (DSEN)

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
 

250 ppm

Carcinogenic classifications: IARC-3, TLV-A4, EPA-D 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 - Methyl acrylate, stabilized

NIOSH: Pocket Guide to Chemical Hazards - Methyl acrylate

Literature References

 
  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Methyl acrylate. See annual publication for most recent information.
  • Pohanish, R.P. (editor): Methyl Acrylate. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 2. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 1517-1519.

Last Updated Date : 01/29/2021