NIST SRM 3186 Glycerin (99.5% + Purity) from China
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 — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• USP/EP compliance documentation if for pharma use; NIST CoA mandatory
• Non-hazardous but verify glycerin import quotas
• Glass ampoule packaging protection