Dystar D&C Red 33

1 of 41 products in this brand

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.

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

Technical Data Sheet Safety Data Sheet

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Enhanced TDS

Identification & Functionality

CI Name: Acid Red 33
CI Number: 17200
Chemical Name: Disodium 5-amino-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonate,
Sodium Chloride,
Sodium Sulfate, Anhydrous,
Water
Dye Type: Acid Dyes
INCI Name: Acid Red 33,
CI 17200
Manufactured By: DyStar
Cosmetic Ingredients Functions: Dye
Pharma & Nutraceuticals Functions: Dye
Plastics & Elastomers Functions: Dye
Molecular formula: C₁₆H₁₁N₃O₇S₂Na₂
Technologies: Cosmetic Ingredients,
Pharmaceuticals & Nutraceuticals,
Pigments & Colorants,
Plastics
Product Families: Pigments & Colorants — Dyes
Acid Dyes
Pharmaceuticals & Nutraceuticals — Excipients
Color Additives
Cosmetic Ingredients — Pigments & Colorants
Dyes
Plastics — Polymer Additives
Pigments & Colorants
Chemical Structure

Features & Benefits

Labeling Claims: Not Listed In California Proposition 65,
Odor-free

Applications & Uses

Markets

Healthcare & Pharma,

Applications

Personal Care — Beauty & Care

Healthcare & Pharma — Drug Delivery & Care Solutions

Healthcare & Pharma — Medical

Disposable Ware

Application Format

Compatible Polymers & Resins

Polyamide 6 (PA 6),

Polyamide 66 (PA 66)

Bath & Shower Applications

Shampoos & Rinses

Hair Care Applications

Shampoos & Rinses

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

Physical Form

Soluble In

Typical Properties


	Value	Units	Test Method / Conditions
Volatile plus Chlorides & Sulfates as Sodium Salts (at 135°C)	max. 18	%	-
Color Index No.	17200	-	-
Color Index Name	Acid Red 33	-	-
Water Insolubles	max. 0.3	-	-
Pure Color Content	min. 82.0	-	-
Molecular Weight	467.38	-	-

SDS Physical and Chemical Properties


	Value	Units	Test Method / Conditions
Explosive Properties	Not Explosive	-	-
Oxidising Properties	Not oxidising	-	-
Volatiles	max. 13	%(w/w)	-
Soluble In	Water	-	-
Flammability (Solid, Gas)	Not flammable (may form combustible dust-air mixtures)	-	-
Odor	None	-	-
Appearance	Red powder	-	-

Microbiological Values


	Value	Units	Test Method / Conditions
Gram Negative Bacteria	Negative	-	-
Yeast & Mold Count	max. 100	col./gram	-
Aerobic Plate Count	max. 100	col./gram	-

Composition


	Value	Units	Test Method / Conditions
Sodium Chloride	2 - 8	%	-
Sodium Sulfate	0 - 0.05	%	-
Water Content	2 - 11	%	-
CI Acid Red 33	87 - 96	%	-

Heavy Metals


	Value	Units	Test Method / Conditions
Mercury Content	max. 1	ppm	-
Arsenic Content	max. 3	ppm	-
Lead Content	max. 20	ppm	-

Regulatory & Compliance

Certifications & Compliance: EC No.1907/2006,
FDA Compliant
Chemical Inventories: AICS (Australia),
DSL (Canada),
ECL (Korea),
EINECS (EU),
ENCS (Japan),
IECSC (China),
ISHL (Japan),
NZIoC (New Zealand),
PICCS (Phillipines),
TCSI (Taiwan),
TSCA (USA)

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.