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Chemical Sampling Information (CSI)
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General Description

Synonyms: 2-Acetyl propane, 3-Methyl-2-butanone, 3-Methylbutanone, Isopropyl methyl ketone, MIPK, Methyl isopropyl ketone

OSHA IMIS Code Number: M165

Chemical Abstracts Service (CAS) Registry Number: 563-80-4

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: EL9100000; 21822

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: UN2397 127 Flammable Liquid

Chemical Description and Physical Properties:

colorless liquid; very slightly soluble in water, soluble in alcohol and ether
molecular weight: 86.15
molecular formula: C5H10O
boiling point: 93°C

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 200 ppm, 705 mg/m3 -TWA

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 200 ppm TWA

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: 0.1 L/min
    current analytical method: Gas Chromatography; GC/FID
    method reference: 2 (OSHA In-House File)
    method classification: Partially Validated
    note: Keep samples cold and ship overnight.

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