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NIST SRM 3186 Glycerin (99.5% + Purity) from Mexico

Ultra-high purity glycerin certified by NIST for quantitative NMR and Karl Fischer water content analysis. Classified HTS 3822.90.00.00 as certified reference for pharmaceutical and food grade glycerol purity verification. Certified purity and impurity profile.

Duty Rate — Mexico → United States

10%

Rate breakdown

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

Import Tips

USP/EP compliance documentation if for pharma use; NIST CoA mandatory

Non-hazardous but verify glycerin import quotas

Glass ampoule packaging protection