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Chemical Sampling Information (CSI)
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General Description

Synonyms: Isopropoxymethyl-oxiran; 1,2-Epoxy-3-isopropoxy-propane; Isopropyl epoxypropyl ether; IGE

OSHA IMIS Code Number: 1567

Chemical Abstracts Service (CAS) Registry Number: 4016-14-2

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: TZ3500000; 66014

Chemical Description and Physical Properties:

colorless liquid
molecular weight: 116
vapor pressure: 9.4 mm at 77°F
boiling point: 270°F

Incompatibilities: Strong oxidizers and caustics

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: 50 ppm, 240 mg/m3

Construction Industry: 50 ppm, 240 mg/m3 TWA

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 50 ppm, 238 mg/m3 TWA; 75 ppm, 356 mg/m3 STEL

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 50 ppm Ceiling

Health Factors

Potential Symptoms: Eye, upper respiratory, and skin irritation; skin sensitization

Health Effects: Irritation-Eye, Nose, Throat, Skin---Moderate (HE15) Skin sensitization (HE3)

Affected Organs: Eyes, skin, respiratory system

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Charcoal Tube (100/50 mg sections, 20/40 mesh)
    analytical solvent: Carbon Disulfide
    maximum volume: 10 Liters
    maximum flow rate: 0.2 L/min (TWA)
    maximum volume: 3 Liters
    maximum flow rate: 0.2 L/min (STEL)
    current analytical method: Gas Chromatography; GC/FID
    method reference: 1 (NIOSH 1620 [19 KB PDF, 3 pages])
    sampling analytical error: 0.11
    method classification: Fully Validated

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