METHYL ACRYLATE†
Chemical Identification | |
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CAS # | 96-33-3 |
Formula |
C₄H₆O₂ |
Synonyms |
methoxycarbonylethylene; methyl acrylate, inhibited; methyl ester of acrylic acid; methyl propenoate |
Physical Properties | |||
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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 | ||||||
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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 |
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Sampling volume (TWA)* | 12 L |
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Sampling flow rate (TWA)* | 0.05 L/min |
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Sampling volume (STEL/Peak/C)* | 0.75 L |
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Sampling flow rate (STEL/Peak/C)* | 0.05 L/min |
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Analytical method instruments | GC-FID | |||||
Method reference | OSHA 92 (fully validated) | |||||
Notes |
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Special requirements |
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* 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 | |
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Sampler/Sampling media | Wipe with charcoal pad, seal in glass vial for shipment. [3M 3500] |
Bulk Method |
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On-Site Screening Techniques | ||||||
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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 | |||||||
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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 |
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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 |
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REL-STEL |
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TLV-STEL |
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PEL-STEL |
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PEL-C |
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REL-C |
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TLV-C |
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PEL-C |
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Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Notes: |
Notes:
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Notes:
dermal sensitization (DSEN) |
Notes:
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Health factors: See NIH-NLM PubChem. | IDLH |
250 ppm |
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Carcinogenic classifications: IARC-3, TLV-A4, EPA-D |
Notes:
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AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
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Additional Resources and Literature References |
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NOAA: CAMEO Chemicals - Methyl acrylate, stabilized NIOSH: Pocket Guide to Chemical Hazards - Methyl acrylate Literature References
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Last Updated Date : 01/29/2021