VOL. I · WASHINGTON TARIFF DECISION ASSISTANT · April 25, 2026
§ HARMONIZED TARIFF SCHEDULE · CHAPTER 38

Miscellaneous chemical products.

This chapter covers 38 — Miscellaneous chemical products.

其他化学产品

HEADINGS
17
HS LINES INDEXED281
Section 301 attached
IEEPA attached
Reciprocal attached
YTD CHANGES0
LAST FED REG
§ §301 OVERLAY · ACTIVE This chapter has roughly 17 heading(s) tied to USTR Section 301 rules (9903.88.x series), affecting goods of China origin.

§ I · OVERVIEWWhat this chapter covers

This chapter covers 38 — Miscellaneous chemical products.

Products of the chemical and allied industries — inorganic and organic chemicals, pharmaceuticals, fertilizers, dyes, cosmetics, soaps, photographic goods, and miscellaneous chemicals.

§ II · RATE TABLEColumn rates by heading

The table below lists every 4-digit heading under this chapter from the current snapshot. Click a code to drill in for sub-lines, Chapter 99 overlays, and Federal Register history.

CODE DESCRIPTION GENERAL SPECIAL COL. 2
3801 Artificial graphite; colloidal or semi-colloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semimanufactures:
3802 Activated carbon; activated natural mineral products; animal black, including spent animal black:
3805 Gum, wood or sulfate turpentine and other terpenic oils produced by the distillation or other treatment of coniferous woods; crude dipentene; sulfite turpentine and other crude para-cymene; pine oil containing alpha-terpineol as the main constituent:
3806 Rosin and resin acids, and derivatives thereof; rosin spirit and rosin oils; run gums:
3808 Insecticides, rodenticides, fungicides, herbicides, antisprouting products and plant-growth regulators, disinfectants and similar products, put up in forms or packings for retail sale or as preparations or articles (for example, sulfur-treated bands, wicks and candles, and flypapers):
3809 Finishing agents, dye carriers to accelerate the dyeing or fixing of dyestuffs and other products and preparations (for example, dressings and mordants), of a kind used in the textile, paper, leather or like industries, not elsewhere specified or included:
3810 Pickling preparations for metal surfaces; fluxes and other auxiliary preparations for soldering, brazing or welding; soldering, brazing or welding powders and pastes consisting of metal and other materials; preparations of a kind used as cores or coatings for welding electrodes or rods:
3811 Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils:
3812 Prepared rubber accelerators; compound plasticizers for rubber or plastics, not elsewhere specified or included; antioxidizing preparations and other compound stabilizers for rubber or plastics:
3815 Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included:
3816 Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801:
3817 Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading 2707 or 2902:
3822 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:
3823 Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols:
3824 Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included:
3825 Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other wastes specified in note 6 to this chapter:
3827 Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included:

§ III · POLICY TIMELINERecent Federal Register notices affecting this chapter

Recent Federal Register notices that touch this chapter. For the complete cross-chapter feed, visit the Changes page.

No Federal Register documents in the current snapshot affect this chapter.