Brazil NCM · 8-digit subitem

NCM 2903.81.10 – Lindane (gamma-hexachlorocyclohexane)

NCM 2903.81.10 (also written 29038110) is Brazil's code for lindane (gamma-hexachlorocyclohexane). Its first 6 digits are HS code 2903.81.

Official description of NCM 2903.81.10

PortuguêsOfficial
Lindano (gama-hexaclorocicloexano)
EnglishUnofficial translation

Lindane (gamma-hexachlorocyclohexane)

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 2903.81.10

29Chapter 03Heading 81Subheading

HS code 2903.81
Same in every country

1Item 0Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. Digits 7 and 8 are Brazil's own split of that HS code. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 29 Organic chemicals Produtos químicos orgânicos.
  2. Heading 29.03 Halogenated derivatives of hydrocarbons Derivados halogenados dos hidrocarbonetos.
  3. Group 2903.8 Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons: Derivados halogenados dos hidrocarbonetos ciclânicos, ciclênicos ou cicloterpênicos:
  4. Subheading 2903.81 Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; 1,2,3,4,5,6-Hexachlorocyclohexane (HCH (ISO)), including lindane (ISO, INN) 1,2,3,4,5,6-Hexaclorocicloexano (HCH (ISO)), incluindo o lindano (ISO, DCI)
  5. Subitem 2903.81.10 Lindane (gamma-hexachlorocyclohexane) Lindano (gama-hexaclorocicloexano)

Other NCM codes under HS 2903.81

2903.81.20 alpha-Hexachlorocyclohexanealfa-Hexaclorocicloexano 2903.81.30 beta-Hexachlorocyclohexanebeta-Hexaclorocicloexano 2903.81.90 Other hexachlorocyclohexanes (HCH)Outros

Questions about NCM 2903.81.10

What is NCM 2903.81.10?

NCM 2903.81.10 (29038110) is the Brazilian (Mercosur) code for lindane (gamma-hexachlorocyclohexane). Its official Portuguese description is “Lindano (gama-hexaclorocicloexano)”.

What is the HS code for NCM 2903.81.10?

HS 2903.81 (Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; 1,2,3,4,5,6-Hexachlorocyclohexane (HCH (ISO)), including lindane (ISO, INN)). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 2903.81.10?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.