Specification | |
---|---|
Product Name | Patent Blue V |
Colour Shade | |
Synonyms | Food Blue - 5 |
Chemical Name | Sodium Salt of [4-a-[4-(Diethylamino)-5'-Hydroxy-2',4'-Disulphonatobenzhydrylidene] Cyclohexa-2,5-Dien-1-Ylidene]Diethyl Ammonium Hydroxide Inner salt |
C.I. No | 42051 |
C.I. Name | Acid Blue - 3 |
FDA Status | --- |
CAS No. | 20262-76-4 |
EINECS No. | 222-573-8 |
E. NUMBER | E-131 |
Test | EEC (Limit) | |
---|---|---|
Total colouring matters calculated as the sodium salt, percent by mass. | Min. | 85 |
Water insoluble matter, percent by mass. | Max. | 0.20 |
Combined ether extract, percent by mass. | Max. | 0.20 |
Unsulfonated Primary aromatic amines, percent by mass (calculated as aniline). | Max. | 0.01 |
Subsidiary dyes, percent by mass. | Max. | 2 |
Total organic compound other than colouring matters, percent by mass (a) 3 Hydroxy benzaldyhyde (b) 3 Hydroxy benzoic acid (c) 3 Hydroxy 4 sulfonic acid,N,N-diethyle amino benzene sulfonic acid (d) N,N-diethyle amino benzene sulfonic acid |
Max. | 0.50 |
Leuco base, percent by mass | Max. | 4 |
Heavy metals (as Pb), (mg/kg.) | Max. | 40 |
Arsenic (mg/kg.) | Max. | 3 |
Lead (mg/kg.) | Max. | 2 |
Mercury (mg/kg.) | Max. | 1 |
Cadmium (mg/kg.) | Max. | 1 |