Pyrrole ACS Reagent from Mexico
Pyrrole (1H-pyrrole), a five-membered nitrogen heterocycle fundamental to porphyrin synthesis and electronics. Classified HTS 2933.99.9701 as other nitrogen hetero-atom compounds; ACS grade for lab use.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• ACS certification mandatory; generic grades risk 3824 lab chemical classification
• Stabilizer (e.g
• BHT) must be <0.1% or document per Chapter note (f)
• DOT shipping papers required for flammable liquid; common CBP hold