D&C BLUE DYE

Description

D&C Blue dyes are synthetic organic colorants approved for use in drugs and cosmetics.

BENEFITS:

• Produces bright, vivid blue shades
• Excellent color consistency
• High tinctorial strength (strong coloring power)
• Good light stability compared to many natural dyes
• Versatile for both transparent and opaque formulations
• Compatible with a wide range of cosmetic bases

INCI Name: CI 42090

CAS Number: 3844-45-9

pH Stability: 3 – 10

Grade: Cosmetics

Solubility: varies in types:

• Dye (e.g., D&C Blue No. 1):
  • Highly soluble in water
  • Slightly soluble in alcohol
  • Not soluble in oils
• Lake form (e.g., Blue 1 Lake):
  • Insoluble in water
  • Dispersible in oils, waxes, and fats

Applications:

• Shampoos and liquid soaps
• Toothpaste and mouthwash
• Skin care products (gels, lotions)
• Decorative cosmetics (eyeshadow, eyeliner)
• Pharmaceutical coatings
• Household and cleaning products

Appearance:

• Dye form: fine powder or granules (bright blue)
• Lake form: blue pigment powder
• High-intensity coloration

Usage Rate: Depends on formulation and regulatory limits:

• Cosmetics (general): 0.001% – 0.5%
• Shampoos / cleansers: 0.001% – 0.1%
• Makeup products (lakes): up to ~1%

State of origin: Germany

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