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Chemical Sampling Information (CSI)
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General Description

Synonyms: 4,4'-Thiobis(2-(1,1-Dimethylethyl)-5-Methyl-Phenol; Santox; Bis(4-Hydroxy-5-tert-Butyl-2-Methylphenyl) Sulfide; Santonox

OSHA IMIS Code Number: T165

Chemical Abstracts Service (CAS) Registry Number: 96-69-5

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: GP3150000; 27419

NIOSH Pocket Guide to Chemical Hazards, 4,4'-Thiobis(6-tert-butyl-m-cresol): Chemical description, physical properties, potentially hazardous incompatibilities, and more

Chemical Description and Physical Properties:
solid
Exposure Limits

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 5 mg/m3 TWA

Health Factors

Health Effects: Apparent low toxicity (HE19) IC_CAS_NUMBEL0796-69-5

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • sampling media: Glass Fiber Filter (37 mm) preceded by 10 mm Nylon Cyclone
    maximum volume: 100 Liters   
    maximum flow rate:
    1.7 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/UV
    method reference: 2 (OSHA In-House File)
    method classification: Partially Validated
Conditions: Column:C18; Mobile Phase: 90:10:0.1 Methanol:Water:H3PO4; Detector Wavelength: 280; Detection Limit:0.5 ug/mL

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Page last updated: 01/21/1993