Patent Blue V
 Product Name  PATENT BLUE V
Colour Shade
 Synonyms  Food Blue -5
 Chemical Name Sodium Salt of [4-α-[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
Sr. No.
Test EEC
1 Total colouring matters calculated as the sodium salt percent by mass . Min. 85.00
3  Water insoluble matter, percent by Mass Max 00.20
4  Combined ether extract, percent by mass Max 00.20
5 Unsulfonated Primary Aromatic amines. percent by mass, Max 00.01
6  Subsidiary dyes, percent by mass Max 02.00
7 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 00.50
8  Leuco base, percent by mass Max 04.00
9 Heavy metals as pb, (mg/kg.) Max 40
10  Arsenic, (mg/kg.) Max 03
11  Lead, (mg/kg.) Max 2
12  Mercury(mg/kg.) Max 01
13  Cadmium( mg/kg.) Max 01