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Chemical Sampling Information (CSI)
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General Description

Synonyms: Cercobin Methyl; Enovit Methyl; Neotopsin; Sigma; Trevin; Zyban; Dimethyl ester 4,4'-o-Phenylenebis(3-Thioallophanic) Acid

OSHA IMIS Code Number: D347

Chemical Abstracts Service (CAS) Registry Number: 23564-05-8

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: BA3675000; 5371

Chemical Description and Physical Properties:
molecular weight: 342.42
molecular formula: C12H14N4O4S2
Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • sampling media: Glass Fiber Filter (37 mm)
    analytical solvent: Acetonitrile
    maximum volume: 240 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: Partially Validated
Conditions: Acetonitrile extraction. Column 5um Hypersil ODS (100 mm x 2.1 mm) Mobile Phase Acetonitrile/water (30/70), Flow Rate 0.3 mL/min, U detector-wavelength 266, 208 nm, Ret time - 3.5 min.

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