Harmonized Tariff Schedule of the United States · HTS code · HS 2815.12

2815.12.00

2815.12.00: In aqueous solution (Soda lye or liquid soda)

Caustic soda solution (soda lye)

Not declarable on its own: use one of its 1 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026

  1. 2815 Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium:
  2. Sodium hydroxide (Caustic soda):
  3. 2815.12.00 In aqueous solution (Soda lye or liquid soda)

What you pay

Importing into USA

Customs duty Free standard rate depends on the country of origin
Additional duties and charges 1 additional measure
VAT no federal VAT; a Merchandise Processing Fee of 0.3464 % is charged on formal entries
Duty calculatorCalculate duty and taxes →

US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

Additional duties and charges 1

  • Additional dutySection 301 — China — technology transfer, IP and innovation (2018 actions and 2024 four-year review) 25%
    Applies to goods from
    China
    In force
    from 24 September 2018
    Legal act
    HTSUS 9903.88.03

Same subheading in other tariffs

2815.12 In aqueous solution (soda lye or liquid soda)

UK 4% Third-country duty 1 tariff line EU 5.5% Third-country duty 1 tariff line Türkiye 5.5% Third-country duty 1 tariff line Canada Free General (MFN) 1 tariff line Mexico Free General (MFN) 1 tariff line Brazil 7.2% General (MFN) 1 tariff line Argentina 7.2% General (MFN) 2 tariff lines Peru Free General (MFN) 1 tariff line New Zealand Free General (MFN) 1 tariff line Japan 5.3% General (MFN) 1 tariff line Taiwan 2.5% General (MFN) 1 tariff line GCC 5% General (MFN) 1 tariff line Switzerland Free General (MFN) 1 tariff line Norway Free General (MFN) 1 tariff line North Macedonia 5% General (MFN) 1 tariff line Nigeria 5% General (MFN) 1 tariff line

Legal notes

Chapter notes: Chapter 28 →

In the Harmonized Tariff Schedule of the United States, 2815.12.00 is one of 1 line under subheading 2815.12, in aqueous solution (soda lye or liquid soda).

The general duty is free, and quantities are declared in kg, NaOH kg.

For the same subheading, the UK duty is 4%, the EU duty is 5.5%, the Türkiye duty is 5.5%, the Canada duty is free, the Mexico duty is free, the Brazil duty is 7.2%, the Argentina duty is 7.2%, the Peru duty is free, the New Zealand duty is free, the Japan duty is 5.3%, the Taiwan duty is 2.5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 5% and the Nigeria duty is 5%.

The United States imported goods of subheading 2815.12 worth US$281m in 2024; the largest supplier was Taiwan.

Questions and answers

What is the USA import duty for HTS code 2815.12.00?

The general duty in the Harmonized Tariff Schedule of the United States is free; the supplementary unit is kg, NaOH kg. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.

Where does the United States import these goods from?

For subheading 2815.12 as a whole, the largest supplier in 2024 was Taiwan (US$73m), followed by Japan.

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