CI 14720- ▸ Cosmetic colorant: Red shade in formulated personal-care products
- ▸ Industrial dye: Colorant for compatible aqueous systems
- ▸ Tinting: Shade adjustment in formulated products
A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.
Request SDS →D&C Red No. 33 is a synthetic red azo acid dye supplied as a colorant (product graded at ~83% dye content). Used to impart red shades in formulated cosmetic and industrial products. Supplied as a powder.
Regulatory & registration requirements
- TSCA (US):
- REACH (EU):
- EC number: 222-657-4
Source: EPA TSCA Inventory (July 2025 release) · ECHA CHEM — retrieved 2026-07-12
Frequently Asked Questions
What is D&C Red No. 33?
D&C Red No. 33 (CAS 3567-69-9) is a synthetic red azo acid dye used as a colorant to impart red shades in formulated cosmetic and industrial products. This product is graded at approximately 83% dye content and is supplied as a powder.
Is D&C Red No. 33 soluble in water?
D&C Red No. 33 is a sodium-salt azo acid dye (formula C20H12N2Na2O7S2), a class generally formulated for use in aqueous systems. Confirm solubility behavior and any application limits against the product CoA and technical data before formulating.
What is the dye content of this D&C Red No. 33 grade?
This grade is specified at approximately 83% dye content. Exact assay varies by lot; request a current CoA from RawSource to confirm dye content and specifications for your formulation.
How is D&C Red No. 33 supplied and classified?
RawSource supplies D&C Red No. 33 (83%) as a powder in bulk packaging under HS code 3204.12 (acid dyes and preparations based thereon). Request a current SDS for handling and GHS classification.
What is the cost of bulk D&C Red No. 33?
Bulk pricing depends on grade, dye content, volume, and packaging. Request a current bulk quote from RawSource with your target volume and packaging for accurate pricing.
What is the REACH and TSCA regulatory status of D&C Red No. 33?
D&C Red No. 33 (CAS 3567-69-9) is subject to U.S. TSCA Inventory requirements; supplying it into the EU requires valid REACH registration ((EC) No 1907/2006). RawSource cannot verify a third-party supplier's registrations — buyers should require documented TSCA and REACH compliance for their jurisdiction and volume (EC 222-657-4).