391231 — Cellulose and its chemical derivatives, not elsewhere specified or included, in…: Carboxymethylcellulose and its salts
HS code 391231 classifies Cellulose and its chemical derivatives, not elsewhere specified or included, in…: Carboxymethylcellulose and its salts. It belongs to Chapter 39 (Plastics and articles thereof) of Section VII (Plastics and articles thereof; rubber and articles thereof) of the Harmonized System. Duty rates are recorded for 1 country.
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Description
Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms : Cellulose ethers : Carboxymethylcellulose and its salts
Duty rates
US MFN base rate (HTS 2026, Column-1 General) — excludes Section 301 / IEEPA add-ons; not legal advice. Other countries’ rates and live duties via the EximAgent CLI.
- USUnited States6.4%MFNas of Jan 1, 2026
Common questions
- What is HS code 391231?
- Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms : Cellulose ethers : Carboxymethylcellulose and its salts
- What duty rates apply to 391231?
- Listed duty rates range from 6.4% across 1 country rate.
Browse all of Chapter 39: Plastics and articles thereof →
Go beyond the code
Find the companies shipping under 391231 — ranked by shipments recorded in US customs filings over the last 12 months.