HS code 2842.90: Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides
Last updated
Key facts
- HS code
- 2842.90
- Covers
- Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides
- Edition
- HS2022
- Duty in the United States
- See its 3 lines
Summary
HS code 2842.90 covers other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides, other than those classified in 2842.10. It sits in heading 28.42 (other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides) in chapter 28 (inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes). Other goods of heading 28.42 are classified under 2842.10 (double or complex silicates, including aluminosilicates whether or not chemically defined). National tariff lines under 2842.90 are live on border.bot for the United States (3 lines, also used by 1 other country).
What this code covers
HS code 2842.90 covers other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides, other than those classified in 2842.10.
The legal text of the subheading is “Other”, in HS2022.
What it doesn’t cover
Other goods of heading 28.42 are classified under 2842.10 (double or complex silicates, including aluminosilicates whether or not chemically defined).
- 2842.10Double or complex silicates, including aluminosilicates whether or not chemically defined
How it is structured
2842.90 is a six-digit subheading. Its first two digits, 28, are the chapter; the first four, 2842, are heading 28.42; the last two, 90, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Subheading 2842.90
- Other
In other countries
National tariff lines under 2842.90 are live on border.bot for the United States (3 lines, also used by 1 other country).
- United States3 lines, used by 1 other country
Frequently asked questions
What does HS code 2842.90 cover?
HS code 2842.90 covers other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides, other than those classified in 2842.10.
Which heading and chapter is HS code 2842.90 in?
HS code 2842.90 is in heading 28.42 (other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides) 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 28.42 classified when 2842.90 doesn’t fit?
Other goods of heading 28.42 are classified under 2842.10 (double or complex silicates, including aluminosilicates whether or not chemically defined).
Which countries’ tariffs list national lines under HS code 2842.90?
National tariff lines under 2842.90 are live on border.bot for the United States (3 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.