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| Propylene imine | CAS 75-55-8 | ||
| C3H7N | RTECS CM8050000 | ||
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Synonyms & Trade Names 2-Methylaziridine, 2-Methylethyleneimine, Propyleneimine, Propylene imine (inhibited), Propylenimine |
DOT ID & Guide 1921 131P (inhibited) |
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Exposure Limits |
NIOSH REL: Ca TWA 2 ppm (5 mg/m3) [skin] See Appendix A | ||
| OSHA PEL: TWA 2 ppm (5 mg/m3) [skin] | |||
| IDLH Ca [100 ppm] | Conversion 1 ppm = 2.34 mg/m3 | ||
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Physical Description Colorless, oily liquid with an ammonia-like odor. |
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MW: 57.1 |
BP: 152°F |
FRZ: -85°F |
Sol: Miscible |
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VP: 112 mmHg |
IP: 9.00 eV |
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Sp.Gr: 0.80 |
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Fl.P: 25°F |
UEL: ? |
LEL: ? |
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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 Acids, strong oxidizers, water, carbonyl compounds, quinones, sulfonyl halides [Note: Subject to violent polymerization in contact with acids. Hydrolyzes in water to form methylethanolamine.] |
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Measurement Methods None available |
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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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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 absorption, ingestion, skin and/or eye contact | |
| Symptoms Eye, skin burns; [potential occupational carcinogen] | |
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Target Organs
Eyes, skin Cancer Site [in animals: nasal tumors] |
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| See also: INTRODUCTION |