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Krishna Industries Indigo Carmine

CAS Number
860-22-0
EC Number
212-728-8
Molecular Formula
C16H8N2Na2O8S2

Identification

Chemical Name

Disodium 5,5'-(2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-one)disulphonate. Disodium 55'-(2-(13-dihydro-3-oxo-2H-indazol-2-ylidene)-12-dihydro-3H-indol-3-one)disulphonate

Other characteristics

Dye Type
Food Dyes
Functions
Dye, Food Coloring
Pigment Type
Organic Pigments
Ingredient Name

Disodium 3,3'-dioxo-2,2'-bi-indolylidene-5,5'-disulphonate; Disodium 33'-dioxo-22'-bi-indolylidene-55'-disulphonate

Color
Blue
C.I. Name
Acid Blue 74
Markets
  • Food & Nutrition
  • Healthcare & Pharma
  • Printing & Packaging
E Number
E-132
C.I. Number
73015
Solubility
Water Soluble
Dosage Form
  • Capsules
  • Tablets
Technology
  • Food Ingredients
  • Pharmaceuticals & Nutraceuticals
  • Pigments & Colorants
Ingredient Origin
Synthetic
Chemical Inventories
EINECS (EU)
Food Ingredients Features
  • Cost Effective
  • High Purity
  • Imparts color
Food Ingredients Functions
Food Coloring
Certifications and Compliance
  • FDA Compliant
  • REACH (Europe)
Food and Nutrition Applications
  • Alcoholic Beverages
  • Canned Meals
  • Carbonated Drinks
  • Cheese
  • Confectionery Products
  • Desserts
  • Food Coatings
  • Food Seasonings

Technical data

Table 1 of 1

13 rows
CharacteristicValueUnit
5-sulfoanthranilic acidmax. 0.50percent by mass
Anthranilic acidmax. 0.50percent by mass
Arsenic Contentmax. 3mg/kg
Cadmium Contentmax. 1mg/kg
Combined Ether Extractmax. 0.20percent by mass
Heavy Metals as pbmax. 40mg/kg
Isatin-5-sulfonic acidmax. 0.50percent by mass
Lead Contentmax. 10mg/kg
Mercury Contentmax. 1mg/kg
Subsidiary Dyesmax. 1percent by mass
Total Coloring Matters Calculated as the Sodium Saltmin. 85percent by mass
Unsulfonated Primary Aromatic Aminesmax. 0.01percent by mass

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