HS code 2850.00: Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49
Last updated
Key facts
- HS code
- 2850.00
- Covers
- Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49
- Edition
- HS2022
- Duty in the United States
- See its 5 lines
Summary
HS code 2850.00 covers hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49. It sits in heading 28.50 (hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49) in chapter 28 (inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes). It is the only subheading of heading 28.50, so every good of the heading is classified here. National tariff lines under 2850.00 are live on border.bot for the United States (5 lines, also used by 1 other country).
What this code covers
HS code 2850.00 covers hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49.
The legal text of the subheading is “Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49”, in HS2022.
What it doesn’t cover
It is the only subheading of heading 28.50, so every good of the heading is classified here.
How it is structured
2850.00 is a six-digit subheading. Its first two digits, 28, are the chapter; the first four, 2850, are heading 28.50; the last two, 00, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Subheading 2850.00
- Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49
In other countries
National tariff lines under 2850.00 are live on border.bot for the United States (5 lines, also used by 1 other country).
- United States5 lines, used by 1 other country
Frequently asked questions
What does HS code 2850.00 cover?
HS code 2850.00 covers hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49.
Which heading and chapter is HS code 2850.00 in?
HS code 2850.00 is in heading 28.50 (hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 28.49) in chapter 28 (inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes).
Where are goods of heading 28.50 classified when 2850.00 doesn’t fit?
2850.00 is the only subheading of heading 28.50, so every good of the heading is classified there.
Which countries’ tariffs list national lines under HS code 2850.00?
National tariff lines under 2850.00 are live on border.bot for the United States (5 lines, also used by 1 other country).
Sources and updates
The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.
This page was last updated on 11 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.