INDIGO CARMINE - SPECIFICATION
Name - INDIGO CARMINE 
Classification C.I No.-73015/E132/F.D&C BLUE #2/Indigotine/C.I. FOOD BLUE#1/I.S.1698
Effective Date - 01/17/2000
 
No. Characteristic Requirement
  DESCRIPTION

REDDISH BLUE POWDER

1) Total colour/Assay, percent by Mass, min. 85.00
2) Water-insoluble matter, percent by mass, Max. 00.20
3) Combined ether extracts, percent by mass, Max. 00.20
4)

Subsidiary dyes, percent by mass, Max.

01.00
5)

Dye intermediates, percent by mass, max.

  • Isatin sulphanic acid,
  • 5- Sulfoanthranilic acid

00.50

 

6) Unsulfonated primary aromatic amine (calculated as aniline) percent by mass, max. 00.01
7) Lead, mg/kg, Max. 10.00
8) Arsenic, mg/kg, Max. 03.00
9) Heavy metals, (as pb) mg/kg, max 40.00
10) Mercury, mg/kg, Max. 01.00
11) Cadmium, mg/kg, Max 01.00