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Chemical Sampling Information (CSI)
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General Description

Synonyms: 2-Mercaptobenzothiazole

OSHA IMIS Code Number: 0333

Chemical Abstracts Service (CAS) Registry Number: 149-30-4

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: DL6475000; 18842

Chemical Description and Physical Properties:

Pale monoclinic needles or leaflets with a disagreeable odor.
molecular weight: 167.25
melting point: 180°C
Health Factors

Health Effects: Low toxicity.

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Glass Fiber Filter (37 mm)
    maximum volume: 480 Liters
    maximum flow rate: 2.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/U.
    method reference: 2 (OSHA In-House File)
    method classification: Not Validated

Conditions:

  • Methanol extraction
    column: RP-18
    mobile phase: 70% methanol 30% water 0.1% phosphoric acid; 1.0 mL/min
    ultra violet detector: 280 nm
    detection limit: 5 ug/sample
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