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AllChems

PONCEAU 4R

SPECIFICATION:

DESCRIPTION

REDDISH POWDER

Total colour/Assay, percent by Mass, min.

80.00

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.

  • 1-naphthylamine-4-sulfonic acid
  • 2-naphthol-6,8-di-sulfonic 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

ADDITIONAL INFORMATION:

Origin

India

Packing

10 or 25 kgs net bag

 
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