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Molecular Formula:C16H10O2N2
MW: 262.26
Purpose: Restore indigo as the dye, mainly for cotton yarn, cotton, wool or silk, pure food dyes used in the system
Technical conditions: the implementation of professional standards HG/T2750-1996 Republic of China
Appearance: dark blue uniform powder
Content% (oxidation): = 94
Fineness% (through 60 mesh sieve): = 95
Iron ion: 300ppm
Moisture content%: = 1.0