allura red ac

Description

Allura Red · CAS 25956-17-6 · C18H14N2Na2O8S2. UNII WZB9127XOA.

Identification

CAS Registry Number	25956-17-6
PubChem CID	33258
Molecular formula	C18H14N2Na2O8S2
IUPAC name	disodium;6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate
UNII (FDA)	WZB9127XOA

Computed Descriptors

Molecular Weight	496.4
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	10
Rotatable Bond Count	3
Exact Mass	495.99869632
Monoisotopic Mass	495.99869632
Topological Polar Surface Area	185
Heavy Atom Count	32
Formal Charge	0
Complexity	809

Physical description & handling notes

• Liquid; Wet Solid; Other Solid; Wet Solid; Dry Powder
• Water soluble, red powder; [Sax]

Regulatory Status

Regulatory & Food Contact	COLOUR: Food Additives 0–7 mg/kg bw ">TRS 1000-JECFA 82/13 FAS 73 JECFA 82/4 CIR / INCI: Cosmetic colorant; Hair dyeing
GHS notification summary	100% (345 / 345)

GHS Hazard Classification

GHS notification summary	100% (345 / 345)

Documented Uses

• New monoazo dye proposed as color additive in various food products. [ChemIDplus]
• EPA Safer Chemical Functional Use Classes -> Colorants
• Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern
• Food Additives -> COLOUR -> JECFA Functional Classes
• Cosmetics -> Cosmetic colorant; Hair dyeing
• Information on 140 consumer products that contain FD&C Red #40 in the following categories is provided:

Synonyms

E129; RefChem:1084024; Allura Red AC; 25956-17-6; Allura Red; Allura red AC dye; Food red 17; Fancy Red; Food Red No. 40; C.I. Food Red 17; FD&C Red No. 40; Allura Red 40; Japan Red 40; Curry red; ALLURA RED C.I.16035; Japan Food Red No. 40

Frequently Asked Questions

What are the CAS number and molecular formula of Allura Red?

CAS 25956-17-6; molecular formula C18H14N2Na2O8S2; molecular weight — g/mol.

What other names is Allura Red known by?

E129, RefChem:1084024, Allura Red AC, 25956-17-6, Allura Red, Allura red AC dye.

What is the regulatory status of Allura Red?

Documented regulatory listings: COLOUR: Food Additives; 0–7 mg/kg bw; ">TRS 1000-JECFA 82/13.

Is Allura Red classified as hazardous?

100% of GHS notifications report no hazard classification (345 of 345).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.