Brazil NCM · 4-digit heading

NCM 28.06 – Hydrogen chloride; chlorosulphuric acid

About NCM heading 28.06

Hydrogen chloride (hydrochloric acid); chlorosulphuric acid

Heading 28.06 of Brazil's NCM has 3 eight-digit codes. Official Portuguese description: Cloreto de hidrogênio (ácido clorídrico); ácido clorossulfúrico.

The first four digits, 2806, 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 28.06 guide.

NCM codes in heading 28.06 3

  1. 2806.10 Hydrogen chloride (hydrochloric acid)Cloreto de hidrogênio (ácido clorídrico) HS code
  2. 2806.10.10 Hydrogen chloride, gaseous or liquefiedEm estado gasoso ou liquefeito
  3. 2806.10.20 Hydrochloric acid in aqueous solutionEm solução aquosa
  4. 2806.20.00 Chlorosulphuric acidÁcido clorossulfúrico

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.