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| Acrolein | CAS 107-02-8 | ||
| CH2=CHCHO | RTECS AS1050000 | ||
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Synonyms & Trade Names Acraldehyde, Acrylaldehyde, Acrylic aldehyde, Allyl aldehyde, Propenal, 2-Propenal |
DOT ID & Guide 1092 131P (inhibited) |
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Exposure Limits |
NIOSH REL: TWA 0.1 ppm (0.25 mg/m3) ST 0.3 ppm (0.8 mg/m3) See Appendix C (Aldehydes) | ||
| OSHA PEL�: TWA 0.1 ppm (0.25 mg/m3) | |||
| IDLH 2 ppm | Conversion 1 ppm = 2.29 mg/m3 | ||
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Physical Description Colorless or yellow liquid with a piercing, disagreeable odor. |
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MW: 56.1 |
BP: 127°F |
FRZ: -126°F |
Sol: 40% |
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VP: 210 mmHg |
IP: 10.13 eV |
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Sp.Gr: 0.84 |
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Fl.P: -15°F |
UEL: 31% |
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 Oxidizers, acids, alkalis, ammonia, amines [Note: Polymerizes readily unless inhibited--usually with hydroquinone. May form shock-sensitive peroxides over time.] |
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Measurement Methods NIOSH 2501; OSHA 52 |
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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: Eyewash, 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 2 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*/(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)*/(APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)/(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/(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, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, mucous membrane; decreased pulmonary function; delayed pulmonary edema; chronic respiratory disease | |
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Target Organs
Eyes, skin, respiratory system, heart |
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| See also: INTRODUCTION |