PATENT BLUE-V - SPECIFICATION
 
Name - PATENT BLUE-V
Classification E - 131 / C.I FOOD BLUE#5 / C.I. NO 42051./ACID BLUE#3
Effective Date - 01/17/2000
 
No. Characteristic Requirement
  DESCRIPTION DARK 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.

02.00
5)

Dye intermediates, percent by mass, max.
Leuco base.

00.50
04.00

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