m-Sulfaminopyrazolone (m-Sulfamido-phenyl methyl pyrazolone)
m-Sulfaminopyrazolone (m-Sulfamido-phenyl methyl pyrazolone) is an organic compound featuring a sulfamido group at the meta position of a phenyl ring attached to a methylpyrazolone structure. It contains an unfused pyrazole ring, which classifies it under tariff item 2933.19.00 as a heterocyclic compound with nitrogen hetero-atom(s) only. This compound is commonly used as an intermediate in the synthesis of dyes and pharmaceuticals.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the compound is further modified with additional hetero-atoms in a fused ring system
Compounds with more complex heterocyclic structures may fall under other subheadings of heading 29.33.
If the product is not a separate chemically defined compound
Mixtures or undefined products may be classified as other organic compounds.
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
• Ensure the product is a separate chemically defined organic compound and not mixed with other substances, as per Chapter 29 Note 1
• Declare the correct 8-digit tariff code 2933.19.00 and be prepared to provide a Certificate of Analysis to confirm purity
• Verify if the product is subject to any chemical control regulations under Canada's Environmental Protection Act
Related Products under Tariff item 2933.19.00
1-(2',5'-Dichlorophenyl)-3-methyl-2-pyrazolin-5-one
> 1-(2',5'-Dichlorophenyl)-3-methyl-2-pyrazolin-5-one is a chemically defined compound with an unfused pyrazole ring and dichlorophenyl substitution. It is used in specialty azo dyes and pharmaceutical synthesis. This product is classified under tariff item 2933.19.00 as an "Other" compound.
1-(m-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
> 1-(m-Chlorophenyl)-3-methyl-2-pyrazolin-5-one is a chemically defined compound with an unfused pyrazole ring and chlorophenyl substitution. It is used as a dye intermediate and in pharmaceutical synthesis. This product is classified under tariff item 2933.19.00 as an "Other" compound.
1-(o-Ethylphenyl)-3-methyl-2-pyrazolin-5-one
> 1-(o-Ethylphenyl)-3-methyl-2-pyrazolin-5-one is a chemically defined compound with an unfused pyrazole ring and ethylphenyl substitution. It is employed in dye chemistry and polymer additives. This product is classified under tariff item 2933.19.00 as an "Other" compound.
1-(p-Sulfophenyl)-3-methyl pyrazolone
1-(p-Sulfophenyl)-3-methyl pyrazolone is a pyrazolone derivative with a para-sulfophenyl substituent at position 1 and methyl at position 3 on the unfused pyrazole ring. It is used as a dye intermediate and coupling agent. Its aromatic heterocyclic structure qualifies it for tariff item 2933.19.00.
2,4-Methylcarboxypyrazolic acid
> 2,4-Methylcarboxypyrazolic acid is a chemically defined compound with an unfused pyrazole ring and carboxy substitution. It is used in fine chemical synthesis. This product is classified under tariff item 2933.19.00 as an "Other" compound.
2,5-Dichloro-4-(3-methyl-5-oxo-2-pyrazolin-1-yl) benzenesulfonic acid
2,5-Dichloro-4-(3-methyl-5-oxo-2-pyrazolin-1-yl) benzenesulfonic acid is a complex aromatic pyrazolone featuring dichloro substitution and a sulfonic acid on a benzene ring linked to a pyrazoline structure. It is used as a dye intermediate. Its unfused pyrazole ring qualifies it for tariff item 2933.19.00.