TsCl 99% Pure for Synthesis
TsCl 99% pure for synthesis is high-purity p-toluenesulfonyl chloride, classified under tariff item 2904.10.00 as the specifically named sulfonated toluene derivative. It is essential for alcohol and amine protection in pharmaceutical and organic synthesis. The high purity level confirms it is a separate chemically defined compound.
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
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Import Tips & Compliance
• Provide a certificate of analysis to confirm the 99% purity and chemical identity for CBSA
• Ensure the product is not mixed with other substances that could change its classification
• Check if the product requires a controlled substances permit for laboratory use
Related Products under Tariff item 2904.10.00
1,3,6/1,3,7-Naphthalenetrisulfonic Acid Technical Grade
Technical grade mixture of 1,3,6- and 1,3,7-naphthalenetrisulfonic acid is used in industrial dye synthesis. It contains only sulpho groups and falls under tariff item 2904.10.00 as a sulfonated hydrocarbon derivative. The mixture of isomers is covered under Chapter 29 Note 1(b) as a mixture of isomers of the same organic compound.
1,3,6-1,3,7-NTS Acid for Acid Dyes
A mixture of naphthalenetrisulfonic acid isomers (1,3,6 and 1,3,7) used as a diazo component in acid dye synthesis. This product contains only sulpho groups as functional derivatives of hydrocarbons, falling under tariff item 2904.10.00.
1,5-Naphthalenedisulfonic Acid
1,5-Naphthalenedisulfonic acid is a di-sulfonated naphthalene derivative containing only sulpho groups, explicitly provided for in tariff item 2904.10.00. It is widely used in the production of azo dyes and as an intermediate in organic synthesis. The product is a separate chemically defined compound meeting Chapter 29 requirements.
2-Anthracenesulfonic acid
2-Anthracenesulfonic acid is a chemically defined organic compound derived from anthracene, a polycyclic aromatic hydrocarbon, containing only sulpho groups. It falls under tariff item 2904.10.00 as a derivative containing only sulpho groups, their salts and ethyl esters.
2-Anthracenesulfonic acid for azo dye production
This 2-anthracenesulfonic acid is intended for dilution to standard strengths for the production of azo dyes, as specified in Chapter 29 Note 1(h). It remains classified under tariff item 2904.10.00 as a sulphonated hydrocarbon derivative containing only sulpho groups.
2-Anthracenesulfonic acid hydrate
2-Anthracenesulfonic acid hydrate is the parent compound dissolved in water, as permitted by Chapter 29 Note 1(d) for chemically defined products. It maintains classification under tariff item 2904.10.00 as a sulphonated hydrocarbon derivative containing only sulpho groups.