Structural formula:

Molecular formula: C₇H₆O₄
Properties: colorless crystalline powder, easily soluble in alcohol,ther and hot water. It turns pink with FeCl3
Specification: content 99% min.
melting point: 235-237
Usage: as intermediate for pharmaceuticals and synthetic resin etc.
Package: packed in fibre drum of 25kg net, lined with plastic bag.

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