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Chemical Sampling Information (CSI)
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General Description

Synonyms: Brilliant Blue FCF; C.I. Acid Blue 9, diammonium salt; C.I. Acid Blue 9, disodium salt

OSHA IMIS Code Number: A156

Chemical Abstracts Service (CAS) Registry Number: 2650-18-2; 2650-18-2; 3844-45-9

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: BQ4550000; 6690

Chemical Description and Physical Properties:

Widely used food dye. Reddish-violet powder or granules with metallic luster. Soluble in ethanol and water. Insoluble in vegetable oils.
Health Factors

Carcinogenic Classification:

International Agency for Research on Cancer (IARC): Group 3, not classifiable as to its carcinogenicity to humans [115 KB PDF, 45 pages] (Brilliant Blue FCF)

Date Last Revised: 08/24/1992

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Glass Fiber Filter (37 mm)
    analytical solvent: (1:1) Methanol/Water
    maximum volume: 100 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/UV/VIS
    method reference: 2 (OSHA In-House File)
    method classification: Partially Validated

Conditions:

  • 50% methanol/50% water extraction; Zorbax ODS; 55% methanol 45% water; 0.005 M TBAP; 1 mL/min; UV/VIS 650; Retention time, 7.8 min; DL 0.83 ng/inj; C/P YC 1/82
Bulk Method: For any dye analysis, a bulk sample of the dye must be sent to the SLCAL. Limit the amount of bulk submitted to one gram or approx. one mL.

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