Canada HS Code

HS Code 391231: Cellulose ethers : Carboxymethylcellulose and its salts in Canada

Q: Is HS code 391231 the same across all countries?

Yes — up to the 6-digit level, HS code 391231 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Canada extends it under Canada HS.

Q: What system does Canada use to classify HS code 391231?

Canada classifies products under the Customs Tariff of Canada (Canada HS; locally Tarif des douanes du Canada), which extends HS codes to 10 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 391231 in Canada?

The official source is https://www.cbsa-asfc.gc.ca/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 391231 in Canada

Under Canada's Customs Tariff of Canada (Tarif des douanes du Canada), HS Code 391231 is the WCO Harmonized System subheading for Cellulose ethers : Carboxymethylcellulose and its salts. This is the most detailed internationally standardized level; Canada 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 Canada 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 Canada

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 3912310000

Carboxymethylcellulose and its salts, in primary forms Carboxyméthylcellulose et ses sels, sous formes primaires

Canada Tariff Classification: Customs Tariff of Canada (Canada HS)

In Canada, HS 391231 is classified under the Customs Tariff of Canada (Tarif des douanes du Canada) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Customs Tariff of Canada (Canada HS)

Local name Tarif des douanes du Canada

Digits 10

Official source https://www.cbsa-asfc.gc.ca/

You know what 391231 means. Now see 2026 latest real trade activity for Carboxymethyl Cellulose (CMC) in Canada.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

Search 2026 Latest Canada Import Data Search 2026 Latest Canada Export Data

Top Trading Product of HS Code 3912

Top Canada import Product Under HS Code 3912

1 391220: Cellulose nitrates (including collodions) $105.9M 2 391239: Cellulose ethers : Other $71.0M 3 391290: Other $42.2M

Figures shown for 2025.

For more 2026 recent data, search for Canada import trade records

Top Canada export Product Under HS Code 3912

1 391220: Cellulose nitrates (including collodions) $19.9M 2 391239: Cellulose ethers : Other $3.3M 3 391290: Other $2.9M

Figures shown for 2025.

For more 2026 recent data, search for Canada export trade records

Related HS Code to Canada Carboxymethyl Cellulose (CMC) (391231)

HS Code 3912310000

Carboxymethylcellulose and its salts, in primary forms

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

HS Code 390130

Ethylenevinyl acetate copolymers

HS Code 390140

Ethylenealphaolefins copolymers, having a specific gravity of less than 0,94

Frequently Asked Questions

What is HS code 391231 in Canada?

HS code 391231 covers Cellulose ethers : Carboxymethylcellulose and its salts in Canada. It sits in Chapter 39 (Plastics and articles thereof), Heading 3912 of the Harmonized System, and is classified under Canada HS.

Is HS code 391231 the same across all countries?

What system does Canada use to classify HS code 391231?

Where can I officially look up HS code 391231 in Canada?