General Description
NAME: D & C Red #19
SYNONYM(s): Rhodamine B
IMIS: 0848
CAS: 81-88-9
NIOSH: RTECS BP3675000; 5972
Exposure Limits
Health Factors
IARC: Group 3, not classifiable as to its carcinogenicity to humans (Rhodamine B)
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA: Glass Fiber Filters (37 mm)
ANL SOLVENT: Methanol
MAX V: 240 Liters MAX F: 1.0 L/min
ANL 1: High Performance Liquid Chromatography; HPLC/UV/VIS/FL
REF: 2 (OSHA PV2072)
CLASS: Partially Validated
COND: Column: C18 (40 deg C) Mobile Phase: 85:15 Acetonitrile:0.005M 1-Heptanesulfonic Acid(pH3.5) Detector Wavelength: UV: 556nm FL: Ex: 210nm Em: 550nm Detection Limit: 0.013ng/inj Extraction w/ mobile phase; C18 column; 50% methanol 50% water; 1 mL/min; UV det: 254, 280; C/P DBA
BULK METHOD:
ANL: High performance liquid chromatography; HPLC/U . REF: 2 (OSHA In-house File) CLASS: Not Validated NOTE: 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 one mL.
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