1,4-Dihydroxyanthraquinone (Quinizarin)
1,4-Dihydroxyanthraquinone, also known as quinizarin, is a specific dihydroxy derivative of anthraquinone classified under HTS 2914.69.60.00 as one of the named quinones with other oxygen functions. It is primarily used as an intermediate in dye synthesis and organic pigment production.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when imported as certified dye intermediate already prepared for dye production
If put up specifically for use in dye manufacturing beyond general chemical use, it may classify as synthetic organic dye intermediate under Chapter 32.
If supplied as mixture with stabilizers exceeding Chapter 29 note (g) allowances
Mixtures with additives rendering it suitable for specific non-general use fall under Chapter 38 chemical preparations.
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Import Tips & Compliance
• Provide detailed chemical analysis certificates confirming purity and structure as 1,4-Dihydroxyanthraquinone; ensure SDS includes CAS number 81-64-1; verify not mixed with excluded solvents per Chapter 29 notes
Related Products under HTS 2914.69.60.00
2-Ethylanthraquinone
2-Ethylanthraquinone is an alkylated anthraquinone specifically named in HTS 2914.69.60.00, used primarily as a key component in hydrogen peroxide production via the anthraquinone process. It functions as an oxygen carrier in cyclic oxidation-reduction reactions in industrial catalysis.
High Purity Quinizarin for Dye Synthesis
Pharmaceutical-grade 1,4-Dihydroxyanthraquinone (99.5% purity) specifically listed under HTS 2914.69.60.00 for use in manufacturing anthraquinone dyes and pigments. Meets Chapter 29 requirements for separate chemically defined quinones.
Industrial Grade 2-Ethylanthraquinone for H2O2 Process
Technical grade 2-Ethylanthraquinone (CAS 84-51-5) explicitly covered by HTS 2914.69.60.00, containing minimal stabilizer for safe transport in hydrogen peroxide manufacturing. Qualifies under Chapter 29 note (f) for added stabilizers.
Quinizarin with Anti-Caking Agent
1,4-Dihydroxyanthraquinone with 0.2% silicon dioxide anti-caking agent, classified under HTS 2914.69.60.00 per Chapter 29 note (f) for necessary preservation additives. Used in pigment manufacturing.
2-Ethylanthraquinone Flake Form
2-Ethylanthraquinone supplied in solid flake form for easier handling in industrial applications, specifically named in HTS 2914.69.60.00. Physical form does not affect chemical classification.
Purified Quinizarin for Organic Synthesis
Sublimed 1,4-Dihydroxyanthraquinone at 99.8% purity for laboratory and fine chemical synthesis, covered under HTS 2914.69.60.00 as chemically defined quinone. Used in research and specialty chemical production.