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1,3-Butadiene |
CAS 106-99-0 | ||
CH2=CHCH=CH2 |
RTECS EI9275000 | ||
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Synonyms & Trade Names Biethylene, Bivinyl, Butadiene, Divinyl, Erythrene, Vinylethylene |
DOT ID & Guide 1010 116P (inhibited) |
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Exposure
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NIOSH REL: Ca See Appendix A | ||
| OSHA PEL: [1910.1051] TWA 1 ppm ST 5 ppm | |||
| IDLH Ca [2000 ppm] [10%LEL] See: 106990 | Conversion 1 ppm = 2.21 mg/m3 | ||
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Physical Description Colorless gas with a mild aromatic or gasoline-like odor. [Note: A liquid below 24°F. Shipped as a liquefied compressed gas.] |
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MW: 54.1 |
BP: 24°F |
FRZ: -164°F |
Sol: Insoluble |
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VP: 2.4 atm |
IP: 9.07 eV |
RGasD: 1.88 |
Sp.Gr: 0.65 (Liquid at 24°F) |
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Fl.P: NA (Gas) -105°F (Liquid) |
UEL: 12.0% |
LEL: 2.0% |
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| Flammable Gas | |||
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Incompatibilities & Reactivities Phenol, chlorine dioxide, copper, crotonaldehyde [Note: May contain inhibitors (such as tributylcatechol) to prevent self-polymerization. May form explosive peroxides upon exposure to air.] |
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Measurement Methods NIOSH 1024; OSHA 56 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: Frostbite Eyes: Frostbite Wash skin: No recommendation Remove: When wet (flammable) Change: No recommendation Provide: Frostbite wash |
First Aid (See procedures) Eye: Frostbite Skin: Frostbite Breathing: Respiratory support |
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Important additional information about respirator selection Respirator Recommendations (See Appendix E) NIOSH At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: (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 canister providing protection against the compound of concern/Any appropriate escape-type, self-contained breathing apparatus |
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| Exposure Routes inhalation, skin and/or eye contact (liquid) | |
| Symptoms Irritation eyes, nose, throat; drowsiness, dizziness; liquid: frostbite; teratogenic, reproductive effects; [potential occupational carcinogen] | |
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Target Organs
Eyes, respiratory system, central nervous system, reproductive system Cancer Site [hematopoietic cancer] |
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| See also: INTRODUCTION See ICSC CARD: 0017 See MEDICAL TESTS: 0254 |