| PRODUCT NAME & COLOR SHADE | PATENT BLUE V |
| SYNONYMS | FOOD BLUE -5 |
| CHEMICAL NAME | Bis[hydrogen [4-[4-(diethylamino)-5′-hydroxy2′,4′-disulphonatobenzhydrylidene] cyclohexa2,5-dien-1-ylidene]diethyl ammonium |
| COLOR INDEX NO. | 42051 |
| C.I. NAME | ACID BLUE -3 |
| FDA STATUS | — |
| CAS NO. | 3536-49-0 |
| EINECS NO. | 222-573-8 |
| EEC NO. | E-131 |
| HUE NAME (FOOD) | BLUE -5 |
| INDIAN STANDARD NO. | 131 |
| CLASS | TRIARYL METHANE |
| TEST | SPECIFICATION |
|---|---|
| TOTAL DYE CONTENT | MIN. 85% |
| WATER INSOLUBLE MATTER | MAX. 0.2% |
| ETHER EXTRACTABLE MATTER | MAX. 0.2% |
| SUBSIDIARY COLORING MATTER | MAX. 2% |
| UNSULPHONATED PRIMARY AROMATIC AMINES | MAX. 0.01% (CALCULATED AS ANILINE) |
|
TOTAL ORGANIC COMPOUND OTHER THAN COLORING MATTER (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. 0.5% |
| LEUCO BASE | MAX 4% |
| LEAD | MAX. 10 mg/kg |
| ARSENIC | MAX. 3 mg/kg |
| HEAVY METALS | MAX.. 40 mg/kg |