NAME: Propylene Imine
SYNONYM(s):
2-Methylaziridine
IMIS: 2213
CAS: 75-55-8
NIOSH: RTECS CM8050000
DOT:
UN1921 Flammable Liquid, Poison
DESCRIPTION:
Fuming, colorless liquid with a strong ammonia-like odor.
MW:
57
BP:
151 F
INCOM:
Acids, strong oxidizers
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
2 ppm, 5 mg/m3 (Skin)
OSHA CONSTRUCTION INDUSTRY PEL:
2 ppm, 5 mg/m3 (Skin)
ACGIH TLV:
2 ppm, 4.7 mg/m3 (Skin); Appendix A3 (Confirmed Animal Carcinogen with
Unknown Relevance to Humans)
NIOSH REL:
Potential Carcinogen, 2 ppm TWA (Skin)
Health Factors
IARC:
Group 2B, possibly carcinogenic to humans (2-Methylaziridine)
SYMPTOM(s):
Eye, skin burns; (carcinogenic)
HEALTH EFFECTS:
Irritation-Eye, Nose, Throat, Skin---Moderate (HE15)
CNS depression (HE7); Cumulative liver damage (HE3)
Mutagen (HE2)
ORGAN:
Eyes, skin
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA:
Midget Fritted Glass Bubbler (MFGB) containing 15 mL Folins Reagent
MAX V:
48 Liters MAX F:
0.2 L/min
ANL 1:
High Performance Liquid Chromatography; HPLC/UV
REF:
2 (OSHA In-House File)
CLASS:
Not Validated
NOTE:
OSHA personnel should obtain Folins reagent from SLTC. Store reagent in a refrigerator and discard after 5 days. While sampling, wrap impingers and vials with aluminum foil to protect from light. After sampling keep samples cool. Ship samples to SLTC by overnight carrier packaged in a container with cold packs. Notify C/P Branch chief, SLTC, that samples are being shipped.
COND:
Chloroform extraction; C18 column; 50% methanol 50% water;
1.3 mL/min; UV Det: 254; Retention time, 5 min; C/P KM
NOTE: Follin's Reagent should be obtained from scale. Wrap and vials
with aluminum foil to protect from light. Store in a refrigerator.
Discard reagent after 5 days.
SECONDARY SAMPLING/ANALYTICAL METHOD (SAM2):
92115: 2-300 ppm
CH 31801: 0.25-3.0 ppm
180: 1-60 ppm
BULK METHOD:
Limit the amount of bulk submitted to one gram or one mL.
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