Allura Red

Allura red is an odorless red mono azo dye.
Synonyms: C.I.Food Red #40
FD&C Red #40
No. Molecular Description Composition

1) Total colour/Assay, percent by Mass, min. 85
2) Water-insoluble matter, percent by mass, Max. 0.2
3) Combined ether extracts, percent by mass, Max. 0.2
4) Subsidiary dyes, percent by mass, Max.

Lower sulfonated
Higher sulfonated

Di Sodium salt, 6 - hydroxy ,5- [(2-methoxy -5-
methyl -4- sulfophenyl )-azo] -8- (2- methoxy-5
- methyl -4-sulfophnoxy)-2- naphthalene sulfonic acid 03.00

5) Dye intermediates, percent by mass, max.
6 - hydroxy- 2- naphthalene sulfonic acid sodium salt.
4- Amino -5- methoxy -2- methylbenzene sulfonic acid.

6,6-0xybis (2-Naphthalene Sulfonic Acid) di sodium salt, Max 00.30
00.20
01.00

6) Unsulfonated primary aromatic amine
(calculated as aniline) percent by mass, max. 0.01

7) Lead, mg/kg, Max. 10
8) Arsenic, mg/kg, Max. 3
9) Heavy metals, (as pb) mg/kg, Max. 40
10) Mercury, mg/kg, Max. 1
11) Cadmium, mg/kg, Max 1