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Chemical Sampling Information (CSI)
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General Description

Synonyms: Bis (Pentachloro-2,4-cyclopentadien-1-yl); Dienochlor; Decachloro-Bi-2-cyclopentadiene-1-yl

OSHA IMIS Code Number: 1985

Chemical Abstracts Service (CAS) Registry Number: 2227-17-0

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: DT822500; 20389

Chemical Description and Physical Properties:

tan crystalline solid. Decomposes at 250°C
molecular weight: 474.64
melting point: 122°C

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Mixed Cellulose Ester Filter (MCEF) 0.45 microns in series with Midget Impinger containing 15 mL of Ethylene Glycol
    analytical solvent: Hexane
    maximum volume: 120 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/U
    method reference: 2 (OSHA In-House File)
    method classification: Not Validated

Conditions: Hexane extraction; C18 column; 100% methanol; 1 mL/min; UV Det: 335, 212; DL 2 ug/sample; C/P CJE

Bulk Method:

  • Limit the amount of bulk submitted to one gram or one mL.

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