4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one
4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one is a chlorinated isothiazolinone compound used as a broad-spectrum biocide in industrial applications. Its unfused thiazole ring structure is the basis for classification under tariff item 2934.10.00. This chemically defined heterocyclic compound is imported in bulk for use in coatings and preservatives.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as a formulated biocide preparation
If the product is mixed with other ingredients for use as a preservative, it may fall under heading 38.08.
If the isothiazolinone ring is not considered a thiazole ring
Other heterocyclic compounds with nitrogen hetero-atom(s) only may apply if the ring structure is classified differently.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• This compound may be subject to the Pest Control Products Act if used as a biocide; verify registration requirements with the Pest Management Regulatory Agency before importing
• Provide a safety data sheet (SDS) and clearly label the product's concentration, as CBSA may require this for hazardous goods clearance
• Consider whether the product is imported as a pure compound or as a preparation, as this affects the tariff classification
Related Products under Tariff item 2934.10.00
2,4-Thiazolidinedione
2,4-Thiazolidinedione is the core structure for glitazone antidiabetic drugs such as pioglitazone, featuring a saturated thiazolidine ring (hydrogenated thiazole). Its unfused thiazole ring, whether or not hydrogenated, is the basis for classification under tariff item 2934.10.00. This chemically defined compound is imported in bulk for pharmaceutical synthesis.
2-Acetylamino-5-nitrothiazole
2-Acetylamino-5-nitrothiazole is a nitro-substituted thiazole compound used as an intermediate in veterinary pharmaceutical synthesis. The unfused thiazole ring in its structure is the basis for classification under tariff item 2934.10.00. It is a chemically defined organic compound imported in bulk for industrial processing.
2-Aminothiazole
2-Aminothiazole is an aromatic heterocyclic compound with an unfused thiazole ring and an amino group at the 2-position. It is used primarily as a pharmaceutical intermediate. The structure directly matches tariff item 2934.10.00.
2-Aminothiazole-4-Acetic Acid
2-Aminothiazole-4-acetic acid is a thiazole derivative featuring an amino group and an acetic acid moiety on the aromatic ring. It is a key intermediate in the synthesis of cephalosporin antibiotics, and its structure contains an unfused thiazole ring, qualifying it under tariff item 2934.10.00.
2-Mercaptothiazoline
2-Mercaptothiazoline features a hydrogenated thiazole ring (thiazoline) with a mercapto group. It is used in rubber vulcanization. The hydrogenated thiazole ring is covered by tariff item 2934.10.00, which includes 'whether or not hydrogenated'.
2-Methyl-4-Amino-5-Hydroxymethylpyrimidine Thiazole Intermediate
2-Methyl-4-amino-5-hydroxymethylpyrimidine thiazole intermediate is a key intermediate for thiamine synthesis. It contains an unfused thiazole ring and is used exclusively in pharmaceutical chemical manufacturing. The structure matches the description of tariff item 2934.10.00.