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| Methyl acrylate | CAS 96-33-3 | ||
| CH2=CHCOOCH3 | RTECS AT2800000 | ||
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Synonyms & Trade Names Methoxycarbonylethylene, Methyl ester of acrylic acid, Methyl propenoate |
DOT ID & Guide 1919 129P (inhibited) |
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Exposure Limits |
NIOSH REL: TWA 10 ppm (35 mg/m3) [skin] | ||
| OSHA PEL: TWA 10 ppm (35 mg/m3) [skin] | |||
| IDLH 250 ppm | Conversion 1 ppm = 3.52 mg/m3 | ||
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Physical Description Colorless liquid with an acrid odor. |
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MW: 86.1 |
BP: 176°F |
FRZ: -106°F |
Sol: 6% |
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VP: 65 mmHg |
IP: 9.90 eV |
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Sp.Gr: 0.96 |
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Fl.P: 27°F |
UEL: 25% |
LEL: 2.8% |
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| Class IB Flammable Liquid: Fl.P. below 73�F and BP at or above 100�F. | |||
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Incompatibilities & Reactivities Nitrates, oxidizers such as peroxides, strong alkalis [Note: Polymerizes easily; usually contains an inhibitor such as hydroquinone.] |
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Measurement Methods NIOSH 1459; OSHA 92 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet (flammable) Change: No recommendation Provide: Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH/OSHA Up to 100 ppm: (APF = 10) Any supplied-air respirator* Up to 250 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Emergency or planned entry into unknown concentrations or IDLH conditions: (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode/(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus Escape: (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, upper respiratory system | |
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Target Organs
Eyes, skin, respiratory system |
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| See also: INTRODUCTION |