HS Code 2815

Sodium and Potassium Hydroxides

HS code 2815 covers sodium hydroxide (caustic soda) and potassium hydroxide, vital alkaline chemicals used in paper, soap, and textile processing industries.

4-digit Section VIFCL Hazmat 8

HS Code 2815 — Sodium and Potassium Hydroxides

This code includes caustic soda (sodium hydroxide) and caustic potash (potassium hydroxide), along with their peroxides. These are strong bases used extensively in soap making, paper manufacturing, water treatment, and chemical synthesis.

What's included

  • Solid caustic soda (pellets, flakes)
  • Liquid caustic soda (solutions)
  • Potassium hydroxide (caustic potash)
  • Sodium peroxide

What's excluded

  • Sodium carbonate → use 2836 (Commonly known as soda ash, it is a carbonate, not a hydroxide.)

Common examples

  • Food grade caustic soda flakes
  • 50% Sodium hydroxide solution
  • Potassium hydroxide pearls

Frequently asked questions

What is the difference between 2815.11 and 2815.12?

2815.11 refers to solid sodium hydroxide, while 2815.12 refers to sodium hydroxide in aqueous solution.

Trade & shipping notes

  • Typical duty range: 0% - 5.5%
  • Documentation: Often subject to anti-dumping duties depending on the country of origin.
  • Typical shipping mode: FCL
  • Top exporters: China, United States, Germany
  • Top importers: Australia, Brazil, Canada

Key takeaway

Caustic soda and potash are high-volume industrial alkalis with strict 'dangerous goods' shipping classifications.

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