Propylene imine
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CAS
75-55-8
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C3H7N
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RTECS
CM8050000
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Synonyms & Trade Names
2-Methylaziridine, 2-Methylethyleneimine, Propyleneimine, Propylene imine (inhibited), Propylenimine
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DOT ID & Guide
1921 / 131P (inhibited)
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Exposure
Limits
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NIOSH REL: Ca TWA 2 ppm (5 mg/m3) [skin] See Appendix A
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OSHA PEL: TWA 2 ppm (5 mg/m3) [skin]
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IDLH
Ca [100 ppm]
See: 75558
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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
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BP: 152°F
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FRZ: -85°F
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Sol: Miscible
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VP: 112 mmHg
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IP: 9.00 eV
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Sp.Gr: 0.80
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Fl.P: 25°F
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UEL: ?
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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
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
Provide: Eyewash, Quick drench
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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
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
Important additional information about respirator selection
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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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
See ICSC CARD: 0322 See MEDICAL TESTS: 0199
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