4-Dihydroxy Anthraquinone

  post date: dec 16,2021   expiry date: jun 14,2022   detailed description: cas no. :81-64-1 quantity: 800metric tons specs:96% min appearance： dark orange powder melting point：190.0-193.0℃ assay：≥96% toluene insoluble matter：≤1.5% ash：≤0.5% moisture：≤1.0%widely used in anthraquinone vat dye & other anthraquinone dye, it is disperse brown gl dye, and can be used to produce disperse blue r, disperse…