HTSUS, United States

2853.90.90.10

Gallium arsenide wafers, undoped

Classification path

  1. Phosphides, whether or not chemically defined, excluding ferrophosphorous; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals
  2. Other
  3. Other
  4. Gallium arsenide wafers, undoped

Rates of duty

General (MFN)
2.8%
Column 2Cuba, North Korea, Russia, Belarus
25%
Unit of quantity
kg

Trade agreement rates

FreeGSP (lapsed since Dec 31, 2020), U.S.-Australia FTA, U.S.-Bahrain FTA, U.S.-Chile FTA, U.S.-Colombia TPA, AGOA (authorized through Dec 31, 2026), E, U.S.-Israel FTA, U.S.-Jordan FTA, U.S.-Korea FTA, U.S.-Morocco FTA, U.S.-Oman FTA, CAFTA-DR, U.S.-Panama TPA, U.S.-Peru TPA, USMCA, U.S.-Singapore FTA

Related lines in heading 2853

About heading 2853

Phosphides, whether or not chemically defined, excluding ferrophosphorous; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals

Heading 2853 covers phosphides other than ferrophosphorous, plus a residual group of other inorganic compounds such as distilled or conductivity water, liquid air, compressed air, and amalgams other than precious metal amalgams. The heading is split between cyanogen chloride in 2853.10 and the remaining products in 2853.90, with separate lines for copper phosphor, other phosphides, undoped gallium arsenide wafers, and other goods.

Full guide to heading 2853

Products in this heading

  • Cyanogen chloride
  • Phosphor copper containing more than 15% by weight of phosphorus
  • Phosphides of metals or nonmetals other than ferrophosphorous
  • Undoped gallium arsenide wafers
  • Distilled water
  • Conductivity water
  • Liquid air
  • Compressed air

Frequently asked questions

What is the HTS code for cyanogen chloride?

Cyanogen chloride is classified under 2853.10.00.00. The general (MFN) duty rate for this line is 2.8%.

What is the duty on phosphor copper containing more than 15% by weight of phosphorus?

Phosphor copper containing more than 15% by weight of phosphorus is classified under 2853.90.10.00. The general (MFN) duty rate for this line is 2.6%.

How do I classify undoped gallium arsenide wafers?

Undoped gallium arsenide wafers are classified under 2853.90.90.10. The general (MFN) duty rate for this line is 2.8%.

Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.

HTS 2853.90.90.10: Gallium arsenide wafers, undoped, 2.8% duty | HTSBase