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Chemical Sampling Information (CSI)
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General Description

Synonyms: 3-Pentanone; DEK; Dimethylacetone; Metacetone; Propione

OSHA IMIS Code Number: D707

Chemical Abstracts Service (CAS) Registry Number: 96-22-0

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: SA8050000; 54791

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: UN1156 127 Flammable Liquid

NIOSH Pocket Guide to Chemical Hazards, Diethyl Ketone: chemical description, physical properties, potentially hazardous incompatibilities, and more

Chemical Description and Physical Properties:

molecular weight: 86.15
molecular formula: C5H10O

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 200 ppm, 705 mg/m3 TWA; 300 ppm STEL

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: Carbosieve S-III Tube (130/65 mg sections; 60/80 mesh)
    analytical solvent: 99:1 Carbon Disulfide:Dimethylformamide
    maximum volume: 10 Liters
    maximum flow rate: 0.1 L/min
    analytical 1: Gas Chromatography; GC/FID
    method reference: 2 (OSHA In-House File)
    method classification: Partially Validated

Secondary Laboratory Sampling/Analytical Method (SAM2):

  • device: Organic Vapor Analyzer
    part #: MIRAN 1A & 1B: Min. Det. Con.
    range: 0.4 ppm @ 9 um

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