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 |