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Quinizarin
(1,4-Dihydroxyanthraquinone)

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Quinizarin
(1,4-Dihydroxyanthraquinone)

Quinizarin (1,4-Dihydroxyanthraquinone) is a high-purity dye intermediate widely used in solvent dyes, disperse dyes, vat dyes, and anthraquinone derivatives. Produced under controlled reaction systems, our Quinizarin maintains consistent 96%+ purity with strict HPLC monitoring.

Our Quinizarin is processed using contamination-free systems and precise temperature-controlled reactions. With a skilled technical team and robust QA protocols, we ensure stable color strength, improved solubility, and uniform particle morphology suitable for downstream chemical operations.

EENC Limited’s Quinizarin is preferred by industries requiring high stability, predictable reaction behavior, and consistent dyeing performance. The product is available in customizable packing options suitable for bulk applications, laboratories, and large-scale manufacturers.

Chemical Information

  • Chemical Name: Quinizarin
  • IUPAC: 1,4-
  • Dihydroxyanthracene-9,10-dione
  • CAS No: 81-64-1
  • Molecular Formula: C14H8O4
  • Molecular Weight: 240 g/mol

Physical Properties

  • Appearance: Red-brown / orange powder
  • Melting Point: 199–202°C
  • Boiling Point: 450°C
  • HPLC Purity: ≥96%
  • Moisture Content: ≤0.5%
  • Ash: ≤0.5%

Dye Series Produced From Quinizarin

Solvent DyesAcid DyesDisperse DyesOther Products
Solvent Blue 59Acid Green 25Disperse Blue 3Mordant Black 13
Solvent Blue 104Acid Green 27Disperse Blue 14
Solvent Blue 36Acid Blue 80
Solvent Blue 35Acid Violet 43
Solvent Blue 122Acid Blue 25
Solvent Green 3Transparent Blue
Solvent Violet 13
Solvent Blue 97
1,4-Diamino-2,3-dihydroanthraquinoneHydroquinone (Anthraquinone-1,4-diyl)1,4-Diamino AnthraquinoneTracid Light Yellow G

Uses / Applications :

  • Solvent dyes
  • Disperse dyes
  • Reactive dyes
  • Vat dyes
  • Alizarin derivatives
  • Indanthrene dyes
  • Anthraquinone-based intermediates
  • Gasoline & heating oil coloration

Packing Details

  • 25 kg Woven Bags
  • 500 kg Jumbo Bags
  • 25 kg Fibre Drums
  • Custom packing available as per customer requirement

Why Choose Our Quinizarin?

  • High stability and consistent purity for dye production.
  • Excellent performance in solvent, disperse, and vat dye applications.

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