Mexico HS Code

HS Code 391231: Carboxymethylcellulose and its salts in Mexico

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. Mexico extends it under TIGIE.

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

Mexico classifies products under the Tarifa de la Ley de los Impuestos Generales de Importación y Exportación + NICO (TIGIE; locally TIGIE + NICO), 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 Mexico?

The official source is https://www.gob.mx/anam. 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 Mexico

Under Mexico's Tarifa de la Ley de los Impuestos Generales de Importación y Exportación + NICO (TIGIE + NICO), HS Code 391231 is the WCO Harmonized System subheading for Carboxymethylcellulose and its salts. This is the most detailed internationally standardized level; Mexico 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 Mexico 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 Mexico

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

Carboxymethylcellulose and its salts

HS Code 3912310100

Carboxymethylcellulose and its salts. Carboximetilcelulosa y sus sales.

Mexico Tariff Classification: Tarifa de la Ley de los Impuestos Generales de Importación y Exportación + NICO (TIGIE)

In Mexico, HS 391231 is classified under the Tarifa de la Ley de los Impuestos Generales de Importación y Exportación + NICO (TIGIE + NICO) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Tarifa de la Ley de los Impuestos Generales de Importación y Exportación + NICO (TIGIE)

Local name TIGIE + NICO

Digits 10

Official source https://www.gob.mx/anam

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

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

Search 2026 Latest Mexico Import Data Search 2026 Latest Mexico Export Data

Top Trading Product of HS Code 3912

Top Mexico import Product Under HS Code 3912

1 391239: Cellulose ethers nes, in primary forms $81.4M 2 391290: Cellulose and chemical derivatives thereof n.e.s., in primary forms (excl. cellulose acetates, cellulose nitrates and cellulose ethers) $51.1M 3 391231: Carboxymethylcellulose and its salts $21.1M

Figures shown for 2025.

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

Top Mexico export Product Under HS Code 3912

1 391231: Carboxymethylcellulose and its salts $25.1M 2 391239: Cellulose ethers nes, in primary forms $17.2M 3 391290: Cellulose and chemical derivatives thereof n.e.s., in primary forms (excl. cellulose acetates, cellulose nitrates and cellulose ethers) $1.8M

Figures shown for 2025.

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

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

HS Code 3912310100

Carboxymethylcellulose and its salts.

HS Code 391211

Cellulose acetates, non-plasticised

HS Code 391212

Cellulose acetates, plasticised

HS Code 391220

Cellulose nitrates (incl collodions)

HS Code 391239

Cellulose ethers nes, in primary forms

HS Code 391290

Cellulose and chemical derivatives thereof n.e.s., in primary forms (excl. cellulose acetates, cellulose nitrates and cellulose ethers)

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

Ethylene-vinyl acetate copolymers

HS Code 390190

Polymers of ethylene nes, in primary forms

Frequently Asked Questions

What is HS code 391231 in Mexico?

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

Is HS code 391231 the same across all countries?

What system does Mexico use to classify HS code 391231?

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