Brazil NCM · 4-digit heading

NCM 28.34 – Nitrites; nitrates

About NCM heading 28.34

Nitrites; nitrates

Heading 28.34 of Brazil's NCM has 8 eight-digit codes. Official Portuguese description: Nitritos; nitratos.

The first four digits, 2834, identify this heading within chapter 28. Its six-digit subheadings follow the international HS system; the final two digits distinguish Mercosur's NCM classifications. Select a code below to read its English translation, official Portuguese text and full classification path.

For product coverage and classification context, read the HS heading 28.34 guide.

NCM codes in heading 28.34 8

  1. 2834.10 NitritesNitritos HS code
  2. 2834.10.10 Sodium nitriteDe sódio
  3. 2834.10.90 Other nitritesOutros
  4. 2834.2 Nitrates: Nitratos:
  5. 2834.21 Nitrates; of potassiumDe potássio HS code
  6. 2834.21.10 Potassium nitrate, 98% KNO3 or lessCom um teor de KNO3 inferior ou igual a 98 %, em peso
  7. 2834.21.90 Other potassium nitrateOutros
  8. 2834.29 Nitrates; of other than potassiumOutros HS code
  9. 2834.29.10 Calcium nitrate, 16% nitrogen or lessDe cálcio, com um teor de nitrogênio (azoto) inferior ou igual a 16 %, em peso
  10. 2834.29.30 Aluminium nitrateDe alumínio
  11. 2834.29.40 Lithium nitrateDe lítio
  12. 2834.29.90 Other nitratesOutros

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.