HS 28.15

Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash) peroxides of sodium or potassium

4 subheadings · Chapter 28: Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes

WCO HS 20224 subheadings
ℹ Many substances in this chapter (inorganic chemicals) may be classified as dangerous goods under ADR. Common hazard classes include Class 5.1 (oxidising), Class 6.1 (toxic), and Class 8 (corrosive). Always check individual substance classification before transport. Check ADR classification →
Classification is the shipper’s legal responsibility. This reference is based on common HS-ADR correlations from public regulatory data. Always verify against the current ADR, IMDG Code, or IATA DGR and consult a qualified DGSA where required.
HS 28.15WCO HS 2022
Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash) peroxides of sodium or potassium
Subheadings
4
6-digit subheadings under this heading
Chapter
28
Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes
Section
VI
Products of the chemical or allied industries
Level
Heading
4-digit heading (WCO HS 2022)
World Customs Organization (HS 2022)checked 2026-07-24verified

Subheadings

28.15.11
Sodium hydroxide (caustic soda); solid
→
28.15.12
Sodium hydroxide (caustic soda); in aqueous solution (soda lye or liquid soda)
→
28.15.20
Potassium hydroxide (caustic potash)
→
28.15.30
Peroxides of sodium or potassium
→
← Chapter 28: Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes

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