We offer Patent Blue Colour with product specification:-

Product Name PATENT BLUE V
Colour Shade

Synonyms Food Blue -5
Chemical Name Bis[hydrogen [4-[4-(diethylamino)-5'-hydroxy-2',
4'-disulphonatobenzhydrylidene] cyclohexa- 2,5-dien-1-ylidene]diethyl ammonium
C.I. No 42051
C.I. Name Acid Blue-3
FDA Status --
CAS No. 3536-49-0
EINECS No. 222-573-8
E. NUMBER E-131

Sr. No.
Test EEC
Limit
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 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 10
12 Mercury(mg/kg.) Max 01
13 Cadmium( mg/kg.) Max 01

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