TARTRAZINE

TARTRAZINE – SPECIFICATION
Name –
TARTRAZINE
Revision No –
00
Classification
C. I. NO 19140/E102/F .D & C YELLOW #5/C.I FOOD YELLOW #4/I.S.1694
Effective Date –
01/17/2000
No.
Characteristic
Requirement
DESCRIPTION
LIGHT ORANGE 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.•I-P-(Sulfophenyl)-5-pyrazolone-3-carboxylic acid.•Aniline-4-Sulfonilic Acid.
00.50
6
Unsulfonated primary aromatic amine (calculated as aniline) percent by mass, max.
00.01
7
Lead, mg/kg, Max.
02.00
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