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Chemical Sampling Information (CSI)
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General Description

Synonyms: Benzal Chloride; Benzyldichloride; Benzylidene Chloride; Benzylene Chloride; alpha, alpha-Dichlorotoluene

OSHA IMIS Code Number: D179

Chemical Abstracts Service (CAS) Registry Number: 98-87-3

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: CZ5075000; 13811

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 156; UN1886 Poison

Chemical Description and Physical Properties:

molecular weight: 161.03
molecular formula: C7H6Cl2

Health Factors

Carcinogenic Classification:

International Agency for Research on Cancer (IARC): alpha-Chlorinated Toluenes - Group 2B, possibly carcinogenic to + humans

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Tenax GC Tube (100/100 mg sections)
    analytical solvent: Carbon Tetrachloride
    maximum volume: 12 Liters
    maximum flow rate: 0.2 L/min
    current analytical method: Gas Chromatography; GC/FID
    method reference: 2 (OSHA In-House File)
    method classification: Not Validated

Articles: Matsushita,H ; Kanno, S. Industrial Health, 1979, 17, 199-206.

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