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Chemical Sampling Information (CSI)
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General Description

Synonyms: Chloroethanoic Acid; Chloroacetic Acid

OSHA IMIS Code Number: M145

Chemical Abstracts Service (CAS) Registry Number: 79-11-8

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: AF8575000; 1846

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: UN1751 153 Corrosive

Chemical Description and Physical Properties:

molecular weight: 94.5
molecular formula: C2H3ClO2
melting point: 62-64°C

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Silica Gel Tube (100/50 mg sections; 20/40 mesh)
    analytical solvent: Deionized Water
    maximum volume: 100 Liters
    maximum flow rate: 0.2 L/min
    current analytical method: Ion Chromatography; IC/Conductivity
    method reference: 1 (NIOSH 2008 [22 KB PDF, 4 pages])
    method classification: Fully Validated

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