O-Isopropyl Methylphosphonochloridate (98% Pure) from China
High-purity (98%) O-isopropyl methylphosphonochloridate, a colorless to pale yellow liquid used in fine chemical synthesis. Classified specifically under HTS 2931.59.0020 due to its defined chemical structure as a halogenated organo-phosphorus compound with P-CH3 and P-Cl bonds. Supplied in stabilized glass-lined containers for safe transport.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Declare exact purity percentage; 95%+ typically qualifies for specific subheading 2931.59.0020
• Include NMR/GC certificates verifying structure; critical for Customs chemical identification
• Label as UN3265 Corrosive Liquid, pH <2; use secondary containment packaging