Brazil NCM · 8-digit subitem

NCM 2852.10.12 – Mercury(I) chloride (mercurous chloride)

NCM 2852.10.12 (also written 28521012) is Brazil's code for mercury(I) chloride (mercurous chloride). Its first 6 digits are HS code 2852.10.

Official description of NCM 2852.10.12

PortuguêsOfficial
Cloreto de mercúrio I (cloreto mercuroso)
EnglishUnofficial translation

Mercury(I) chloride (mercurous chloride)

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

How to read NCM 2852.10.12

28Chapter 52Heading 10Subheading

HS code 2852.10
Same in every country

1Item 2Subitem

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 28 Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes Produtos químicos inorgânicos; compostos inorgânicos ou orgânicos de metais preciosos, de elementos radioativos, de metais das terras raras ou de isótopos.
  2. Heading 28.52 Inorganic or organic compounds of mercury, excluding amalgams, whether or not chemically defined Compostos, inorgânicos ou orgânicos, de mercúrio, de constituição química definida ou não, exceto as amálgamas.
  3. Subheading 2852.10 Inorganic or organic compounds of mercury, excluding amalgams, chemically defined De constituição química definida
  4. Item 2852.10.1 Inorganic compounds Compostos inorgânicos
  5. Subitem 2852.10.12 Mercury(I) chloride (mercurous chloride) Cloreto de mercúrio I (cloreto mercuroso)

Other NCM codes under HS 2852.10

2852.10.11 Mercury oxidesÓxidos 2852.10.13 Mercuric chloride for photographic use, retailCloreto de mercúrio II (cloreto mercúrico), para uso fotográfico, acondicionado para venda a retalho, pronto para utilização 2852.10.14 Mercuric chloride, otherwise presentedCloreto de mercúrio II (cloreto mercúrico), apresentado de outro modo 2852.10.19 Other inorganic mercury compoundsOutros 2852.10.21 Mercury acetateAcetato de mercúrio 2852.10.22 Thiomersal (thimerosal)Timerosal 2852.10.23 Mercury stearateEstearato de mercúrio 2852.10.24 Mercury lactateLactato de mercúrio 2852.10.25 Mercury salicylateSalicilato de mercúrio 2852.10.29 Other organic mercury compoundsOutros

Questions about NCM 2852.10.12

What is NCM 2852.10.12?

NCM 2852.10.12 (28521012) is the Brazilian (Mercosur) code for mercury(I) chloride (mercurous chloride). Its official Portuguese description is “Cloreto de mercúrio I (cloreto mercuroso)”.

What is the HS code for NCM 2852.10.12?

HS 2852.10 (Inorganic or organic compounds of mercury, excluding amalgams, chemically defined). 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 2852.10.12?

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.