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Indigo Carmine

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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%).

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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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