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Chemical Sampling Information (CSI)
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General Description

Synonyms: Red Lake C Toner 20-5650; Red Lake C Toner RA-5190; 5-Chloro-2((2-Hydroxy-1-Naphthalenyl)Azo)-4-Methylbenzenesulfonic Acid, Barium Salt; Red Lake C; Red Lake C Toner; D & C Red No. 9

OSHA IMIS Code Number: L295

Chemical Abstracts Service (CAS) Registry Number: 5160-02-1

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: DB5500000; 14315

Chemical Description and Physical Properties:

molecular weight: 444.49

Health Factors

Carcinogenic Classification:

International Agency for Research on Cancer (IARC): Group 3, not classifiable as to its carcinogenicity to humans (D & C Red No. 9)
Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Glass Fiber Filter (37 mm)
    analytical solvent: 58:42 Acetonitrile: 0.05M Tetrabutylammonium Phosphate
    maximum volume: 300 Liters
    maximum flow rate: 2.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/UV/VIS
    method reference: 2 (OSHA In-House File)
    method classification: Partially Validated

Conditions: Column: C18 Mobile Phase: 58:42 Acetonitrile:0.05M Tetrabutylammonium Phosphate Detector Wavelength: 310nm or 485nm Detection Limit: 2.4 ng/inj

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