# United States tariff line 3822.19.00.10: Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride

> In the United States tariff, line 3822.19.00.10 covers diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits, containing antigens or antisera, containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 3822.19 in heading 38.22 (chapter 38).

Source: https://border.bot/countries/united-states/hs-codes/3822190010
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 38](https://border.bot/countries/united-states/hs-codes/38) / [3822.19](https://border.bot/countries/united-states/hs-codes/382219) / [3822.19.00.10](https://border.bot/countries/united-states/hs-codes/3822190010)

## Key facts

- Tariff line: 3822.19.00.10
- Covers: Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits, containing antigens or antisera, containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [3822.19](https://border.bot/hs-codes/382219)

## What this line covers

In the United States tariff, line 3822.19.00.10 covers diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits, containing antigens or antisera, containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride.

Its legal text is “Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride”, read under “Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits”, “Other” and “Containing antigens or antisera”.

## How it is structured

It falls under HS subheading 3822.19 in heading 38.22 (chapter 38). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 38: Miscellaneous chemical products
- Heading 38.22: Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits, other than those of heading 3006; certified reference materials
- Subheading 3822.19: Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits
- Within the subheading: Other
- Within the subheading: Containing antigens or antisera
- Line 3822.19.00.10: Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride

## Duty

Goods under this line enter free of general (MFN) duty.

The rate is published on 3822.19.00.

## In other countries

No other national tariff on border.bot has live lines under 3822.19 yet.

- [The Harmonized System text for 3822.19](https://border.bot/hs-codes/382219)

## Other lines under 3822.19

- [3822.19.00.30](https://border.bot/countries/united-states/hs-codes/3822190030) Other
- [3822.19.00.40](https://border.bot/countries/united-states/hs-codes/3822190040) Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride
- [3822.19.00.80](https://border.bot/countries/united-states/hs-codes/3822190080) Other

- Previous line: [3822.13.00.00](https://border.bot/countries/united-states/hs-codes/3822130000) For blood-grouping
- Next line: [3822.19.00.30](https://border.bot/countries/united-states/hs-codes/3822190030) Other

## Frequently asked questions

### What does tariff line 3822.19.00.10 cover in the United States tariff?

In the United States tariff, line 3822.19.00.10 covers diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits, containing antigens or antisera, containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride.

### What is the general (MFN) duty on 3822.19.00.10 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 3822.19.00.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 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.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/3822190010.json