Structural formula:

Molecular formula: C₇H₉NO
Properties: white crystalline powder, turn into brown-black when exposed in air or light. Melting point 135, almost insoluble in cool water, soluble in hot water and organic solvents including alcohol and either, difficult to soluble in benzene.
Specification:
Appearance: white crystal
Content: 99%
Usage: used in synthesis of dye and polyester fiber fluorescent bleacher DT.
Package: plastic-lined paperboard drum, net weight 25kg per drum.
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