Chemical Sampling Information
Acid Blue 9
Chemical Sampling Information - Table of Contents Chemical Sampling Information - Table of Contents
  Field Definitions
 Analytical Methods
 Health Guidelines
General Description

NAME: Acid Blue 9

SYNONYM(s): Brilliant Blue FCF; C.I. Acid Blue 9, diammonium salt; C.I. Acid Blue 9, disodium salt

IMIS: A156

CAS: 2650-18-2

Other CAS: 2650-18-2; 3844-45-9

NIOSH: RTECS BQ4550000; 6690

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

Exposure Limits

Health Factors

IARC: Group 3, not classifiable as to its carcinogenicity to humans (Brilliant Blue FCF)

Monitoring

PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):



MEDIA: Glass Fiber Filter (37 mm)
ANL SOLVENT: (1:1) Methanol/Water
MAX V: 100 Liters   MAX F: 1.0 L/min
ANL 1: High Performance Liquid Chromatography; HPLC/UV/VIS
REF: 2 (OSHA In-House File)
CLASS: Partially Validated

COND: 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.
Chemical Sampling Information - Table of Contents Chemical Sampling Information - Table of Contents
Revision Date: 08/24/1992
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