Acetic Anhydride 99% Pure Industrial Grade
Acetic anhydride (CH3CO)2O at 99% purity, a clear colorless liquid used primarily in chemical synthesis for acetylation reactions. It falls under HTS 2915.24.00.00 as a saturated acyclic monocarboxylic acid anhydride, specifically the anhydride of acetic acid, meeting Chapter 29's criteria for separate chemically defined organic compounds.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing impurities or stabilizers exceeding Chapter 29 allowances
Products with added substances rendering them mixtures for specific uses fall under prepared chemical mixtures, not pure compounds.
If diluted in water or solvents for safety/transport only
Chapter note (d) or (e) allows aqueous solutions or solvent-dissolved forms to stay classified here, but excess solvent shifts to mixtures.
If peroxy form like peracetic acid anhydride
Peroxyacids and derivatives move to Chapter 28 phosphides, carbides, hydrides, etc., per exclusions.
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Import Tips & Compliance
• Verify purity certificate and chemical analysis to confirm classification as acetic anhydride under Chapter 29 note (a)
• Include SDS and proper UN hazmat documentation (UN1715) for corrosive liquid transport
• Avoid misclassification as mixtures; ensure no added solvents beyond stabilization per Chapter notes
Related Products under HTS 2915.24.00.00
Glacial Acetic Anhydride Lab Reagent
High-purity glacial acetic anhydride used as a lab reagent for acetylation in organic synthesis and analytical chemistry. Classified under HTS 2915.24.00.00 as the pure anhydride of acetic acid, a chemically defined organic compound per Chapter 29 scope.
Acetic Anhydride with 1% Stabilizer
Acetic anhydride stabilized with 1% hydroquinone to prevent polymerization during storage and transport. Qualifies under HTS 2915.24.00.00 per Chapter 29 note (f) allowing stabilizers necessary for preservation without changing its chemical identity as acetic anhydride.
Industrial Acetic Anhydride Bulk Drums
Bulk acetic anhydride packaged in 400L steel drums for industrial cellulose acetate production. Falls under HTS 2915.24.00.00 as pure saturated acyclic monocarboxylic anhydride, not excluded by packaging or chapter notes.
Pharmaceutical Grade Acetic Anhydride
Ultra-pure acetic anhydride meeting USP standards for pharmaceutical intermediate synthesis like aspirin production. Classified in HTS 2915.24.00.00 as chemically defined acetic anhydride, prior to note 3's last-in-order rule.
Acetic Anhydride 80% Aqueous Solution
80% acetic anhydride in water, prepared as a safer transport form before final dilution. Covered by HTS 2915.24.00.00 under Chapter note (d) for products of (a) dissolved in water, provided normal for safety.
Distilled Acetic Anhydride for Plastics
Freshly distilled acetic anhydride for manufacturing cellulose acetate plastics and films. HTS 2915.24.00.00 applies as pure anhydride, not a mixture or excluded product.