METHYL ACRYLATE†
| CAS # | 96-33-3 |
|---|---|
| Formula |
C₄H₆O₂ |
| Synonyms |
methoxycarbonylethylene; methyl acrylate, inhibited; methyl ester of acrylic acid; methyl propenoate |
| 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 | |||
| 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.
| Sampler/Sampling media |
Wipe with charcoal pad, seal in glass vial for shipment. [3M 3500] |
|---|
| Bulk Method |
|---|
|
|
| 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 |
|
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 |
|||||
|---|---|---|---|---|---|---|---|
| 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: |
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 |
|
NOAA: CAMEO Chemicals - Methyl acrylate, stabilized NIOSH: Pocket Guide to Chemical Hazards - Methyl acrylate Literature References
|
Last Updated Date : 01/29/2021