United States tariff line 2909.49.05.00: Guaifenesin
Last updated
Key facts
- Tariff line
- 2909.49.05.00
- Covers
- Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, aromatic, guaifenesin
- Duty (MFN)
- Free
- Additional duties
- None recorded
- Restrictions
- None recorded
- Tariff
- United States
- HS subheading
- 2909.49
Summary
In the United States tariff, line 2909.49.05.00 covers ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, aromatic, guaifenesin. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2909.49 in heading 29.09 (chapter 29).
What this line covers
In the United States tariff, line 2909.49.05.00 covers ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, aromatic, guaifenesin.
Its legal text is “Guaifenesin”, read under “Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives”, “Other” and “Aromatic”.
How it is structured
It falls under HS subheading 2909.49 in heading 29.09 (chapter 29). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.
- Chapter 29
- Organic chemicals
- Heading 29.09
- Ethers, ether-alcohols, ether-phenols, ether-alcohol- phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulfonated, nitrated or nitrosated derivatives
- Subheading 2909.49
- Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives
- Within the subheading
- Other
- Within the subheading
- Aromatic
- Line 2909.49.05.00
- Guaifenesin
Duty
Goods under this line enter free of general (MFN) duty.
Other lines under 2909.49
- 2909.49.10.00Products described in additional U.S. note 3 to section VI
- 2909.49.15.00Other
- 2909.49.20.00Glycerol ethers
- 2909.49.30.00Dipentaerythritol having a purity of 94 percent or more by weight
- 2909.49.60.00Other
In other countries
No other national tariff on border.bot has live lines under 2909.49 yet.
Frequently asked questions
What does tariff line 2909.49.05.00 cover in the United States tariff?
In the United States tariff, line 2909.49.05.00 covers ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, aromatic, guaifenesin.
What is the general (MFN) duty on 2909.49.05.00 in the United States?
Goods under this line enter free of general (MFN) duty.
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: