TECHNICAL DATA

PRODUCT NAME: D&C RED 33



  • Color Index Name:
  • Common Index No:
  • CTFA Identification:
  • CAS No.:
  • Acid Red 33
  • 17200
  • D&C Red No. 33
  • 3567-66-6
Molecular Weight: 467.38

Structure:

Pure Color : 92.0% minimum
Chemical Name: Disodium salt of 5-amino-4-hydroxy-3-(phenylazo)-2,7- naphthalenedisulfonic acid
Chemical Formula: C2H11N3o7S2Na2
Heavy Metals:
  • Lead - < 2 ppm
  • Arsenic - < 1 ppm
  • Mercury - < 1 ppm
Volatile (@135°C) plus Chlorides & Sulfates as Sodium Salts : 7.0% maximum
Water Insoluble 0.1% maximum
Uncombined Intermediates Meets FDA Requirements
Microbiological:
  • APC
  • Yeast & Mold
  • Gram Negative
  • < 100 col./gram combined
  • < 100 col./gram
  • Negative
Subsidiary Colors: Meets FDA Requirements
Recommended Use Soap, shampoo, bubble bath, topically applied drugs and Nylon 66 and Nylon 6 sutures.
Use Restrictions Use of this color is limited to drugs and cosmetics. It is also subject to additional restrictions.
Shelf Life: Indefinite when stored as recommended (5 years)
Recommended Storage Conditions: Store at room temperature in a dry location. Keep container and inner liner tightly closed.
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