Dystar D&C Orange 4 is a powder dye used in various personal care applications, including bath & shower (e.g., bubble bath), hair care (e.g., shampoos & rinses), and personal hygiene (e.g., hand soap). It is classified as an Acid Orange 7 dye (CI Number 15510). This product is FDA Compliant and adheres to regulatory standards like HMIS and NFPA. It is included in chemical inventories such as AICS (Australia), DSL (Canada), EINECS (EU), ENCS (Japan), IECSC (China), ISHL (Japan), KECI (Korea), NZIoC (New Zealand), PICCS (Philippines), and TSCA (USA). The product's color is orange, and it serves as a dye in personal care formulations.

INCI Name: Acid Orange 7

Color (Properties): Orange

Dye Type: Acid Dyes

Certifications & Compliance: FDA Compliant, Hazardous Material Information System (HMIS), National Fire Prevention Association (NFPA)

Synonyms: p-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt, Sodium 4-(2-hydroxy-1-naphthylazo)benzenesulfonate, D&C Orange No. 4, C.I. Acid Orange 7, D&C Orange 4, C.I. 15510

Enhanced TDS

Identification & Functionality

CI Name
CI Number
Dye Type
INCI Name
Manufactured By
Cosmetic Ingredients Functions
Molecular formula
C₁₆H₁₁N₂O₄SNa
Technologies
Product Families
Chemical Structure

Durastrength® 4000 - Typical Starting Formulation Recommendations - 1

Applications & Uses

Markets
Applications
Application Format
Bath & Shower Applications
Hair Care Applications
Personal Hygiene Applications
Recommended Uses
  • Soap
  • Shampoo
  • Bubble bath
  • Topically applied cosmetics
Use Restrictions

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

Properties

Color (Properties)
Physical Form
Soluble In
Typical Properties
ValueUnitsTest Method / Conditions
Volatile plus Chlorides & Sulfates as Sodium Salts (at 135°C)max. 13%-
Color Index No.15510--
Color Index NameAcid Orange 7--
Water Insolublesmax. 0.2--
Pure Color Contentmin. 87.0%-
Molecular Weight350.32--
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Explosive PropertiesNot Explosive--
Oxidising PropertiesNot oxidising--
Flammability (Solid, Gas)Not flammable (may form combustible dust-air mixtures)--
Vapor DensityNon-volatile--
Evaporation RateNonvolatile--
Soluble InWater--
OdorNone--
AppearanceDark green powder--
Microbiological Values
ValueUnitsTest Method / Conditions
Gram Negative BacteriaNegative--
Yeast & Mold Countmax. 100col./gram-
Aerobic Plate Countmax. 100col./gram-
Heavy Metals
ValueUnitsTest Method / Conditions
Mercury Contentmax. 1ppm-
Arsenic Contentmax. 3ppm-
Lead Contentmax. 10ppm-

Regulatory & Compliance

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.