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CAS Number: &nbsp; 860-22-0
Formula: &nbsp; C 20 H 10 Na 2 O 5
F.W: &nbsp; 376.3

+92-42-37312378

Acid Blue 74; 5,5'-Indigodisulfonic acid, disodium salt

Specifications

Total Content, corrected for sample

for dried at 105-+1`cfor 2 hrs. .........................................................................................Min 85%

Loss on drying at 135c & Chlorides & Sulphates expressed as sodium............................Max15%

Water-Insoluble matter, by mass .....................................................................................Max 0.4%

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