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Propylene imine

Synonyms & Trade Names
2-Methylaziridine, 2-Methylethyleneimine, Propyleneimine, Propylene imine (inhibited), Propylenimine
CAS No.
75-55-8
RTECS No.
CM8050000
DOT ID & Guide
1921 131P (inhibited)
Formula
C3H7N
Conversion
1 ppm = 2.34 mg/m3
IDLH
Ca [100 ppm]
See: 75558
Exposure Limits
NIOSH REL
: Ca TWA 2 ppm (5 mg/m3) [skin] See Appendix A
OSHA PEL
: TWA 2 ppm (5 mg/m3) [skin]
Measurement Methods

None available
See: NMAM or OSHA Methods
Physical Description
Colorless, oily liquid with an ammonia-like odor.
MW:
57.1
BP:
152°F
FRZ:
-85°F
Sol:
Miscible
VP:
112 mmHg
IP:
9.00 eV
Sp.Gr:
0.80
Fl.P:
25°F
UEL:
?
LEL:
?
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
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.]
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
Eye, skin burns; [potential occupational carcinogen]
Target Organs
Eyes, skin
Cancer Site
[in animals: nasal tumors]
Personal Protection/Sanitation
(See protection codes)
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
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

See also: INTRODUCTION   See ICSC CARD: 0322   See MEDICAL TESTS: 0199
 

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