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United States of America flag United States of America HS Code

HS Code 391231: Cellulose ethers : Carboxymethylcellulose and its salts in United States of America

What is HS Code 391231 in United States of America

Under United States of America's Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule), HS Code 391231 is the WCO Harmonized System subheading for Cellulose ethers : Carboxymethylcellulose and its salts. This is the most detailed internationally standardized level; United States of America extends classifications to 10 digits under its national tariff system. 391231 belongs to Section VII: Plastics and articles thereof; rubber and articles thereof, Chapter 39: Plastics and articles thereof, Heading 3912: Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms.

Explore more 2026 Latest United States of America import export trade data and shipment records for HS Code Carboxymethyl Cellulose (CMC) on TradeInt global trade data platform

Classification Path of HS Code 391231 in United States of America

Section VII
Chapters (39-40) Plastics and articles thereof; rubber and articles thereof
Chapter 39
Plastics and articles thereof
HS Code 3912
Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms
HS Code 391231
Cellulose ethers : Carboxymethylcellulose and its salts
HS Code 39123100
Carboxymethylcellulose and its salts
HS Code 3912310010
Containing not less than 90 percent by weight of carboxymethylcellulose
HS Code 3912310090
Other

United States of America Tariff Classification: Harmonized Tariff Schedule of the United States (HTS / HTSUS)

In United States of America, HS 391231 is classified under the Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Harmonized Tariff Schedule of the United States (HTS / HTSUS)
Local name Harmonized Tariff Schedule
Digits 10
Official source https://www.cbp.gov/
You know what 391231 means. Now see 2026 latest real trade activity for Carboxymethyl Cellulose (CMC) in United States of America.
Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.
Search 2026 Latest United States of America Import DataSearch 2026 Latest United States of America Export Data

Top Trading Product of HS Code 3912

Top United States of America import Product Under HS Code 3912

1 391239: Cellulose ethers : Other $256.0M2 391220: Cellulose nitrates (including collodions) $139.4M3 391231: Cellulose ethers : Carboxymethylcellulose and its salts $130.3M
Figures shown for 2025.
For more 2026 recent data, search for United States of America import trade records

Top United States of America export Product Under HS Code 3912

1 391211: Cellulose acetates : Nonplasticised $535.6M2 391239: Cellulose ethers : Other $504.4M3 391290: Other $352.7M
Figures shown for 2025.
For more 2026 recent data, search for United States of America export trade records

Related HS Code to United States of America Carboxymethyl Cellulose (CMC) (391231)

HS Code 39123100
Carboxymethylcellulose and its salts
HS Code 3912310010
Containing not less than 90 percent by weight of carboxymethylcellulose
HS Code 3912310090
Other
HS Code 391211
Cellulose acetates : Nonplasticised
HS Code 391212
Cellulose acetates : Plasticised
HS Code 391220
Cellulose nitrates (including collodions)
HS Code 391239
Cellulose ethers : Other
HS Code 391290
Other
HS Code 390110
Polyethylene having a specific gravity of less than 0,94
HS Code 390120
Polyethylene having a specific gravity of 0,94 or more

Frequently Asked Questions

What is HS code 391231 in United States of America?
HS code 391231 covers Cellulose ethers : Carboxymethylcellulose and its salts in United States of America. It sits in Chapter 39 (Plastics and articles thereof), Heading 3912 of the Harmonized System, and is classified under HTS / HTSUS.
Is HS code 391231 the same across all countries?
What system does United States of America use to classify HS code 391231?
Where can I officially look up HS code 391231 in United States of America?