About Allura Red AC
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 >300C(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 Schaeffers 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]
FAQs of Allura Red AC:
Q: What is the physical form of Allura Red AC?
A: The physical form of Allura Red AC is powder.
Q: What is the molecular formula of Allura Red AC?
A: The molecular formula of Allura Red AC is C18H14N2Na2O8S2.
Q: What is the molecular weight of Allura Red AC?
A: The molecular weight of Allura Red AC is 496.42 grams (g).
Q: What is the purity of Allura Red AC?
A: The purity of Allura Red AC is 98%.
Q: What grade is Allura Red AC classified under?
A: Allura Red AC is classified as an analytical standard grade product.