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Product No.:km-308
Product Name:Direct Red 28
Cas No.:573-58-0
Molecular Formula:C32H22N6Na2O6S2
Molecular Weight:696.68

PH indicator range:  3.0（bluish violet）-5.2（red）

 

Water-insoluble test : qualified

 

Moisture: 5.0%max

 

Residue on ignition: 27%max
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