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1,4-Dihydroxyanthraquinone CAS 81-64-1

1,4-Dihydroxyanthraquinone package
1,4-Dihydroxyanthraquinone Quick Details:
  • Product name: 1,4-Dihydroxyanthraquinone / Quinizarin
  • CAS No.: 81-64-1
  • Molecular formula: C14H8O4
  • Molecular weight: 240.21
  • Assay: 96% or 99%
  • Appearance: Orange powder
1,4-Dihydroxyanthraquinone Specification:

Crude Grade 96%

Item Specification
Appearance Orange yellow Powder
Melting point 194-197 ℃
Purity (HPLC) ≥96%
Moisture content (%) ≤1%
Toluene insoluble matter (%) ≤3.5%
PH 3-5

Fine grade 99%

Item Specifications
Appearance Bright orange
Moisture ≤0.10%
Melting point ≥198°C
Toluene intolerance ≤0.3%
Content ≥99%
PH 5-7
1,4-Dihydroxyanthraquinone Application:

Intermediates for the manufacture of vat dyes, disperse dyes and reactive dyes.

1,4-Dihydroxyanthraquinone Package:

25kg/drum or customized

1,4-Dihydroxyanthraquinone Storage:

The warehouse is ventilated, low temperature and dry

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