</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Tetraethyl Lead Calibration Standard from Mexico

Certified tetraethyl lead standard for analytical calibration in spectroscopy, diluted to standard strength but as pure compound. Under HTS 2931.10.00.00 via notes (a) and (d) if water-dissolved.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Include NIST-traceable certificate; limit dilution per note (d)

Avoid kit packaging to stay in Chapter 29