Brazil NCM · 8-digit subitem

NCM 2933.99.91 – Azinphos-ethyl

NCM 2933.99.91 (also written 29339991) is Brazil's code for azinphos-ethyl. Its first 6 digits are HS code 2933.99.

Official description of NCM 2933.99.91

PortuguêsOfficial
Azinfós etílico
EnglishUnofficial translation

Azinphos-ethyl

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

How to read NCM 2933.99.91

29Chapter 33Heading 99Subheading

HS code 2933.99
Same in every country

9Item 1Subitem

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 29.33 Heterocyclic compounds with nitrogen hetero-atom(s) only Compostos heterocíclicos exclusivamente de heteroátomo(s) de nitrogênio (azoto).
  3. Group 2933.9 Other: Outros:
  4. Subheading 2933.99 Heterocyclic compounds; n.e.c. in headings no. 2933 Outros
  5. Item 2933.99.9 Other Outros
  6. Subitem 2933.99.91 Azinphos-ethyl Azinfós etílico

Other NCM codes under HS 2933.99

2933.99.11 PyrazinamidePirazinamida 2933.99.12 Amiloride hydrochlorideCloridrato de amilorida 2933.99.13 PindololPindolol 2933.99.19 Other pyrazine or indole ring compoundsOutros 2933.99.20 Other compounds with a diazepine ringCuja estrutura contém um ciclo diazepina (hidrogenado ou não) 2933.99.31 Dibenzazepine (iminostilbene)Dibenzoazepina (iminoestilbeno) 2933.99.32 CarbamazepineCarbamazepina 2933.99.33 Clomipramine hydrochlorideCloridrato de clomipramina 2933.99.34 MolinateMolinate (hexaidroazepin-1-carbotioato de S-etila) 2933.99.35 HexamethyleneimineHexametilenoimina 2933.99.39 Other azepine ring compoundsOutros 2933.99.41 Clemastine, its derivatives and their saltsClemastina e seus derivados; sais destes produtos 2933.99.42 AmisulprideAmisulprida 2933.99.43 SultoprideSultoprida 2933.99.44 AlizaprideAlizaprida 2933.99.45 Buflomedil, its derivatives and their saltsBuflomedil e seus derivados; sais destes produtos 2933.99.46 Enalapril maleateMaleato de enalapril 2933.99.47 Ketorolac trometamolKetorolac trometamina 2933.99.49 Other pyrrole ring compoundsOutros 2933.99.51 BenomylBenomil 2933.99.52 OxfendazoleOxifendazol 2933.99.53 Albendazole and its sulphoxideAlbendazol e seu sulfóxido 2933.99.54 MebendazoleMebendazol 2933.99.55 FlubendazoleFlubendazol 2933.99.56 FenbendazoleFembendazol 2933.99.59 Other fused imidazole ring compoundsOutros 2933.99.61 TriadimenolTriadimenol 2933.99.62 TriadimefonTriadimefon 2933.99.63 TriazophosTriazofós (fosforotioato de O,O-dietila O-(1-fenil-1H-1,2,4-triazol-3-ila)) 2933.99.69 Other unfused triazole ring compoundsOutros 2933.99.92 Nalidixic acidÁcido nalidíxico 2933.99.93 ClofazimineClofazimina 2933.99.95 Amezinium metilsulfateMetilssulfato de amezínio 2933.99.96 Maleic hydrazide and its saltsHidrazida maleica e seus sais 2933.99.99 Other nitrogen-only heterocyclic compoundsOutros

Questions about NCM 2933.99.91

What is NCM 2933.99.91?

NCM 2933.99.91 (29339991) is the Brazilian (Mercosur) code for azinphos-ethyl. Its official Portuguese description is “Azinfós etílico”.

What is the HS code for NCM 2933.99.91?

HS 2933.99 (Heterocyclic compounds; n.e.c. in headings no. 2933). 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 2933.99.91?

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.