CAS 3567-69-9 ·Formula C20H12N2Na2O7S2 ·MW 502.4 g/mol
D&C Red No. 33 (CAS 3567-69-9) is a water-soluble synthetic red azo acid dye supplied as a powder graded at approximately 83% dye content, used as a colorant to impart red shades in cosmetic and industrial formulations.
▸Cosmetic colorant: Red shade in formulated personal-care products
▸Industrial dye: Colorant for compatible aqueous systems
▸Tinting: Shade adjustment in formulated products
Safety & Handling
Full SDS available on request
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.
azorubineCarmoisineChromotrope FBAcid red 14C.I. Acid Red 14Azo RubineAzorubinC.I. 14720Acid RubineC.I. Food Red 3KarmesinNacaratBrilliant Crimson RedCarmoisine bssCarmoisine baCarmoisine fu
Full Description
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.
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.
Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.
Bulk & Specialty Sourcing
Ready to Source D&C Red No. 33?
Our procurement team handles specification confirmation, lead time, and logistics.
We use cookies and similar technologies for analytics and to improve our Site, and — with your consent — for marketing and B2B visitor identification. Choose what to allow. See our Privacy Policy.
