NCM 28.37 – Cyanides, cyanide oxides and complex cyanides

About NCM heading 28.37

Cyanides, cyanide oxides and complex cyanides

Heading 28.37 of Brazil's NCM has 15 eight-digit codes. Official Portuguese description: Cianetos, oxicianetos e cianetos complexos.

The first four digits, 2837, 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 28.37 guide.

NCM codes in heading 28.37 15

1. 2837.1 Cyanides and cyanide oxides: Cianetos e oxicianetos:
2. 2837.11.00 Sodium cyanideDe sódio
3. 2837.19 Cyanides and cyanide oxides; other than of sodiumOutros HS code
4. 2837.19.1 Cyanides Cianetos
5. 2837.19.11 Potassium cyanideDe potássio
6. 2837.19.12 Zinc cyanideDe zinco
7. 2837.19.14 Cuprous cyanideDe cobre I (cianeto cuproso)
8. 2837.19.15 Cupric cyanideDe cobre II (cianeto cúprico)
9. 2837.19.19 Other cyanidesOutros
10. 2837.19.20 Cyanide oxides (oxycyanides)Oxicianetos
11. 2837.20 Complex cyanidesCianetos complexos HS code
12. 2837.20.1 Ferrocyanides Ferrocianetos
13. 2837.20.11 Sodium ferrocyanideDe sódio
14. 2837.20.12 Ferrous ferrocyanideDe ferro II (ferrocianeto ferroso)
15. 2837.20.19 Other ferrocyanidesOutros
16. 2837.20.2 Ferricyanides Ferricianetos
17. 2837.20.21 Potassium ferricyanideDe potássio
18. 2837.20.22 Ferrous ferricyanideDe ferro II (ferricianeto ferroso)
19. 2837.20.23 Ferric ferricyanideDe ferro III (ferricianeto férrico)
20. 2837.20.29 Other ferricyanidesOutros
21. 2837.20.90 Other complex cyanidesOutros