Brazil NCM · 8-digit subitem

NCM 2903.99.18 – Polychlorinated biphenyls and terphenyls

NCM 2903.99.18 (also written 29039918) is Brazil's code for polychlorinated biphenyls and terphenyls. Its first 6 digits are HS code 2903.99.

Official description of NCM 2903.99.18

PortuguêsOfficial
Bifenilas policloradas (PCB); terfenilas policloradas (PCT)
EnglishUnofficial translation

Polychlorinated biphenyls (PCB); polychlorinated terphenyls (PCT)

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

How to read NCM 2903.99.18

29Chapter 03Heading 99Subheading

HS code 2903.99
Same in every country

1Item 8Subitem

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 2903.9 Halogenated derivatives of aromatic hydrocarbons: Derivados halogenados dos hidrocarbonetos aromáticos:
  4. Subheading 2903.99 Halogenated derivatives of aromatic hydrocarbons; n.e.c. in item no. 2903.91, 2903.92, 2903.93 and 2903.94 Outros
  5. Item 2903.99.1 Halogenated derivatives, only with chlorine Derivados halogenados, unicamente com cloro
  6. Subitem 2903.99.18 Polychlorinated biphenyls (PCB); polychlorinated terphenyls (PCT) Bifenilas policloradas (PCB); terfenilas policloradas (PCT)

Other NCM codes under HS 2903.99

2903.99.11 Benzyl chlorideCloreto de benzila 2903.99.12 p-Chlorotoluenep-Clorotolueno 2903.99.13 Neophyl chlorideCloreto de neofila 2903.99.14 TrichlorobenzenesTriclorobenzenos 2903.99.15 ChloronaphthalenesCloronaftalenos 2903.99.16 Benzylidene chlorideCloreto de benzilideno 2903.99.17 Xylyl chloridesCloretos de xilila 2903.99.19 Other chlorinated aromatic hydrocarbonsOutros 2903.99.21 BromobenzeneBromobenzeno 2903.99.22 Xylyl bromidesBrometos de xilila 2903.99.23 BromodiphenylmethaneBromodifenilmetano 2903.99.24 Polybrominated biphenyls (PBB)Bifenilas polibromadas (PBB) 2903.99.29 Other brominated aromatic hydrocarbonsOutros 2903.99.31 4-Chlorobenzotrifluoride4-Cloro-alfa,alfa,alfa-trifluortolueno 2903.99.39 Other chlorofluorinated aromatic hydrocarbonsOutros 2903.99.90 Other halogenated aromatic hydrocarbonsOutros

Questions about NCM 2903.99.18

What is NCM 2903.99.18?

NCM 2903.99.18 (29039918) is the Brazilian (Mercosur) code for polychlorinated biphenyls and terphenyls. Its official Portuguese description is “Bifenilas policloradas (PCB); terfenilas policloradas (PCT)”.

What is the HS code for NCM 2903.99.18?

HS 2903.99 (Halogenated derivatives of aromatic hydrocarbons; n.e.c. in item no. 2903.91, 2903.92, 2903.93 and 2903.94). 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 2903.99.18?

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.