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Allura Red AC

Allura Red AC
Allura Red AC
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Product Code : 1735
Product Description

Allura Red AC

analytical standard

Synonym: Disodium 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-2-naphthalenesulfonate

  • CAS Number 25956-17-6

  • Empirical Formula (Hill Notation) C18H14N2Na2O8S2

  • Molecular Weight 496.42

Properties



grade   analytical standard
assay   ≥98.0% (HPLC)
form   neat
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
mp   >300 °C(lit.)
format   neat

Description

General description

Allura Red AC belongs to the class of monoazo dyes.[1] It comprises of 6-hydroxy-5-(2-methoxy-5-methyl-4-sulfonate-phenylazo)-2-napthalene-sulfonate, which is basically an azo-coupling product between the meta-isomer of cresidine-p-sulphonic acid (CSA) and Schaeffer′s salt (SS).[2] It exists in the form of dark red powder or granules and finds application in being used in food colors. It is soluble in water and is insoluble in ethanol.[1]


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