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| Ethyleneimine | CAS 151-56-4 | ||
| C2H5N | RTECS KX5075000 | ||
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Synonyms & Trade Names Aminoethylene, Azirane, Aziridine, Dimethyleneimine, Dimethylenimine, Ethylenimine, Ethylimine |
DOT ID & Guide 1185 131P (inhibited) |
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Exposure Limits |
NIOSH REL: Ca See Appendix A | ||
| OSHA PEL: [1910.1012] See Appendix B | |||
| IDLH Ca [100 ppm] | Conversion 1 ppm = 1.76 mg/m3 | ||
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Physical Description Colorless liquid with an ammonia-like odor. [Note: Usually contains inhibitors to prevent polymerization.] |
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MW: 43.1 |
BP: 133°F |
FRZ: -97°F |
Sol: Miscible |
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VP: 160 mmHg |
IP: 9.20 eV |
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Sp.Gr: 0.83 |
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Fl.P: 12°F |
UEL: 54.8% |
LEL: 3.3% |
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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 Polymerizes explosively in presence of acids [Note: Explosive silver derivatives may be formed with silver alloys (e.g., silver solder).] |
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Measurement Methods NIOSH 3514 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated/Daily Remove: When wet or contaminated Change: Daily Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
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 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, nose, throat; nausea, vomiting; headache, dizziness; pulmonary edema; liver, kidney damage; eye burns; skin sensitization; [potential occupational carcinogen] | |
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Target Organs
Eyes, skin, respiratory system, liver, kidneys Cancer Site [in animals: lung & liver tumors] |
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| See also: INTRODUCTION |