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Indigo Carmine

Indigo Carmine Food Color mainly comprises of a mixture of disodium 3,3' - dioxo-2,2' - bi-indolyldene-5,7' –disulfonate, disodium 3,3' dioxo - 2,2' -bi-indolylidene-5,5' - disulfonate, subsidiary coloring matters along with sodium chloride/sodium sulfate as principal uncolored component. The organic compounds other than coloring matters it uses include 5-sulfoanthranilic acid; Anthranilic acid and Isatin-5-sulfonic acid (Total not more than 0.5%).

MOQ 50kg :

Specification
PRODUCTS NAME INDIGO CARMINE
Color SHADE
 
SYNONYMS Acid Blue 74
CHEMICAL NAME Disodium 3,3'-dioxo-2,2'-bi-indolylidene-5,5'-disulphonate.
Color INDEX NO. 73015
C.I. NAME Food Blue1
FDA STATUS FD&C Blue # 2
CAS NO. 860-22-0
EINECS NO. 212-728-8
EEC NO. E-132
HUE NAME (FOOD) Blue -1
INDIAN STANDARD No. 1698
CLASS Indigoid
TOTAL DYE CONTENT % MIN. 85
LOSS ON DRYING AT 135 C & SODIUM
CHLORIDES & SULPHATES % MAX
15
WATER INSOLUBLE MATTER % MAX.
0.2
ETHER EXTRACTS % MAX.. 0.2
SUBSIDIARY DYE % MAX. 1.0
DYES INTERMEDIATES % MAX. 0.50
UNSULFONATED PRIMARY AROMATIC AMINES % MAX. 0.01
LEAD (AS "Pb") PPM (MAX.) 10.00
ARSENIC (AS "As" PPM (MAX.) 1.00
MERCURY (AS "Hg") PPM (MAX) 1.0
CHROMIUM (AS "Cr") PPM (MAX) 5.0
HEAVY METALS PPM (MAX) 40.00
Total organic compound other than Coloring matters, percent by mass
Isatin-5-sulfonic acid ,
5-sulfoanthranilic acid
Anthranilic acid
Max 00.50
WATER (gms/ltr.) 12.00
GLYCERINE (gms/ltr.) 5.00
PROPYLENE GLYCON (gms/ltr.) 5.00
ETHANOL (95%) (gms/ltr.) Trace

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