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AllChems

TARTRAZINE

SPECIFICATION: 

DESCRIPTION

LIGHT ORANGE POWDER.

Total colour/Assay, percent by Mass, min.

85.00

Water-insoluble matter, percent by mass, Max.

00.20

Combined ether extracts, percent by mass, Max.

00.20

Subsidiary dyes, percent by mass, Max.

01.00

Dye intermediates, percent by mass, max.

  • I-P-(Sulfophenyl)-5-pyrazolone-3-carboxylic acid.
  • Aniline-4-Sulfonilic Acid.

00.50

 

Unsulfonated primary aromatic amine (calculated as aniline) percent by mass, max.

00.01

Lead, mg/kg, Max.

10.00

Arsenic, mg/kg, Max.

03.00

Heavy metals, (as pb) mg/kg, max

40.00

Mercury, mg/kg, Max.

01.00

Cadmium, mg/kg, Max

01.00

Origin :

China

Packing :

25-kg (55-lb) net bags on pallets

 
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