Agent Name

FD&C Red 40

CAS Number

25956-17-6

Formula

C18-H16-N2-O8-S2.2Na

Major Category

Dyes

Synonyms

2-Naphthalenesulfonic acid, 6-hydroxy-5-((2-methoxy-5-methyl-4-sulfophenyl)azo)-, disodium salt; 2-Naphthalenesulfonic acid, 6-hydroxy-5-((6-methoxy-4-sulfo-m-tolyl)azo)-, disodium salt; Allura Red; Allura Red AC; Allura Red AC Dye; C. I. 16035; C.I. Food Red 17; Disodium 6-hydroxy-5-((2-methoxy-5-methyl-4-sulfophenyl)azo)-2-naphthalenesulfonate; Disodium 6-hydroxy-5-((6-methoxy-4-sulfo-m-tolyl)azo)-2-naphthalenesulfonate; FD and C Red No. 40; FD&C Red No. 40; Food Red 17; Food Red No. 40; Red No. 40; 2-Naphthalenesulfonic acid, 6-hydroxy-5-((2-methoxy-5-methyl-4-sulfophenyl)azo)-, disodium salt; 2-Naphthalenesulfonic acid, 6-hydroxy-5-((6-methoxy-4-sulfo-m-tolyl)azo)-, disodium salt; Disodium 6-hydroxy-5-((2-methoxy-4-sulphonato-m-tolyl)azo)naphthalene-2-sulphonate; [ChemIDplus]

Category

Azo Dyes

Description

Water soluble, red powder; [Sax]

Sources/Uses

"New monoazo dye proposed as color additive in various food products." [ChemIDplus]

Comments

A skin and eye irritant; May be harmful if swallowed; [MSDSonline]

Exposure Assessment
Flammability (NFPA)

1: Must be preheated

Links to Other NLM Databases
Health Studies

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