# 281512 — Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides…: In aqueous solution (soda lye or liquid soda)

HS code 281512 classifies Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides…: In aqueous solution (soda lye or liquid soda). It belongs to Chapter 28 (Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes) of Section VI (Products of the chemical or allied industries) of the Harmonized System. Duty rates are recorded for 1 country.

> Section VI · Products of the chemical or allied industries
> Chapter 28 · Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

**HS code:** `281512`

## Description

Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium : Sodium hydroxide (caustic soda) : In aqueous solution (soda lye or liquid soda)

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | 0% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/28/281512
Last updated: 2026-06-03
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