Dystar D&C Red 33 is a red dye used in cosmetic (e.g., shampoos, bubble baths), personal care (e.g., hair care), and pharmaceutical applications. It is an Azo Compound (Acid Red 33) and is FDA compliant with approvals in multiple global chemical inventories (e.g., AICS, EINECS, TSCA). The dye is odor-free and not listed under California Proposition 65, suitable for use in plastics, elastomers, and resins like polyamide 6.

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INCI Name: Acid Red 33, CI 17200

Chemical Name: Disodium 5-amino-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonate, Sodium Chloride, Sodium Sulfate, Anhydrous, Water

Dye Type: Acid Dyes

CI Name: Acid Red 33

Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Markets
Applications
Compatible Polymers & Resins
Bath & Shower Applications
Hair Care Applications
Recommended Uses
  • Soap
  • Shampoo
  • Bubble bath
  • Topically applied drugs
  • Nylon 66
  • Nylon 6 sutures.
Use Restrictions

Use of this color is limited to externally applied (non-mucous Membrane) drugs and cosmetics.

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Volatile plus Chlorides & Sulfates as Sodium Salts (at 135°C)max. 18%-
Color Index No.17200--
Color Index NameAcid Red 33--
Water Insolublesmax. 0.3--
Pure Color Contentmin. 82.0--
Molecular Weight467.38--
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Explosive PropertiesNot ExplosiveRegulation (EC) No. 440/2008, Annex, A.14
Oxidising PropertiesNot oxidising--
Volatilesmax. 13%(w/w)-
Soluble InWater--
Flammability (Solid, Gas)Not flammable (may form combustible dust-air mixtures)--
OdorNone--
AppearanceRed powder--
Microbiological Values
ValueUnitsTest Method / Conditions
Gram Negative BacteriaNegative--
Yeast & Mold Countmax. 100col./gram-
Aerobic Plate Countmax. 100col./gram-
Composition
ValueUnitsTest Method / Conditions
Sodium Chloride2 - 8%-
Sodium Sulfate0 - 0.05%-
Water Content2 - 11%-
CI Acid Red 3387 - 96%-
Heavy Metals
ValueUnitsTest Method / Conditions
Mercury Contentmax. 1ppm-
Arsenic Contentmax. 3ppm-
Lead Contentmax. 20ppm-

Regulatory & Compliance

Packaging & Availability

Country Availability

Storage & Handling

Shelf Life
5 years
Shelf Life Information

Indefinite when stored as recommended (5 years)

Recommended Storage Conditions

Store at room temperature in a dry location. Keep containerand inner liner tightly closed.