Mineral Fillers & Pigments Available — Bulk Only

FD&C Red 40 (Allura Red AC)

CAS 25956-17-6 · Formula C18H14N2Na2O8S2 · MW 496.4 g/mol

A high-tinting synthetic red for food, cosmetic and consumer-product coloring, available in bulk powder. It is used as a color additive in food products and as a colorant in cosmetic, hair-dye and personal-care formulations.

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HS Code
3204.12
At a Glance
Material Family
Mineral Fillers & Pigments
Record Type
Pure compound
Primary Role
Color / Pigmentation
Functional Roles
CURRY RED
HAIR DYEING
Applications & Use Cases
  • Food coloring: red color additive for food products
  • Cosmetic colorant: red shade for cosmetic and personal-care formulations
  • Hair coloring: colorant for hair-dye applications
  • Consumer products: red colorant for household and personal-care goods
Physical Properties
Physical Description
Liquid, wet solid, solid, or dry powder
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.

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HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
3204 . 12
Chapter 32
Tanning or dyeing extracts; pigments; paints and varnishes
Heading 32.04
Internationally harmonized (WCO HS)
Subheading 3204.12
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
25956-17-6
Molecular Formula
C18H14N2Na2O8S2
Molecular Weight
496.4 g/mol
IUPAC Name
disodium;6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate
INCI Name
CURRY RED
PubChem CID
InChI Key
CEZCCHQBSQPRMU-UHFFFAOYSA-L
Synonyms & Trade Names
E129 Allura Red AC Allura Red Allura red AC dye Food Red No. 40 C.I. Food Red 17 Food red 17 Curry red FD&C Red No. 40 Fancy Red Allura Red 40 Japan Food Red No. 40 ALLURA RED C.I.16035 Japan Red 40 CI 16035 Red 40 Red No. 40 FD and C Red No. 40
Full Description

FD&C Red 40 (Allura Red AC, CAS 25956-17-6) is a synthetic monoazo dye supplied as a red colorant powder. It is used as a color additive in food products and as a colorant in cosmetic, hair-dye and personal-care formulations.

Frequently Asked Questions

What is FD&C Red 40 derived from?

FD&C Red 40 (Allura Red AC, CAS 25956-17-6) is a synthetic monoazo dye produced by chemical synthesis. It is not derived from carmine (cochineal insects) or other animal sources.

What is FD&C Red 40 used for?

It is supplied as a red colorant powder and used as a color additive in food products, as a red shade in cosmetic and personal-care formulations, in hair-dye applications, and in other consumer goods.

Is FD&C Red 40 water soluble?

Yes. Allura Red AC (the disodium salt, C18H14N2Na2O8S2) is a water-soluble dye supplied as a powder, used directly in aqueous food, cosmetic, and personal-care systems.

What does kosher certification mean for this Red 40 powder?

Kosher means the powder is produced under kosher certification. Request the current certificate and CoA with your order to confirm the certifying authority and the specifications covered.

What is the cost of bulk FD&C Red 40 powder?

Bulk pricing depends on grade, dye strength, volume, packaging, and delivery location. RawSource supplies industrial quantities — request a quote with your volume, kosher certification, and CoA/SDS requirements for delivered 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.