Naphthalic Anhydride 98% Pure from China
Naphthalic anhydride is a white to pale yellow crystalline powder used primarily as an intermediate in the synthesis of dyes, pigments, and fluorescent brighteners. This specific grade at 98% purity falls under HTS 2917.39.0800 as it is the pure aromatic polycarboxylic anhydride derived from naphthalene-1,8-dicarboxylic acid. It meets Chapter 29 requirements for separate chemically defined organic compounds without disqualifying additions.
Duty Rate — China → United States
Rate breakdown
Import Tips
• Provide Certificate of Analysis (CoA) confirming 98% purity and chemical identity to avoid misclassification as mixtures under Chapter 38
• Ensure packaging complies with UN recommendations for solid organic chemicals; include proper SDS for hazardous material declarations
• Verify no added solvents or stabilizers beyond transport necessities, as per Chapter 29 note (e)