N-Nitrosodiphenylamine Analytical Standard
N-Nitrosodiphenylamine Analytical Standard is a high-purity (99.5%+) certified reference material used for laboratory analysis. As a chemically defined diphenylamine derivative, it is classified under tariff item 2921.44.00, consistent with Chapter 29 purity requirements.
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
• Ensure the analytical standard is accompanied by a certificate of analysis to confirm purity for classification under 2921.44.00
• Consider whether the product qualifies for duty-free importation as laboratory chemicals under tariff item 9802.00.00 if imported for research purposes
• Declare the product's end-use to CBSA to avoid delays
Related Products under Tariff item 2921.44.00
2,4-Dinitrodiphenylamine
2,4-Dinitrodiphenylamine is a dinitro derivative of diphenylamine used as an intermediate in pharmaceutical and agrochemical production. It is a chemically defined compound that falls under tariff item 2921.44.00 as a derivative of diphenylamine.
2-Nitrodiphenylamine
2-Nitrodiphenylamine is a nitro derivative of diphenylamine with the nitro group at the ortho position. It is used in organic synthesis and as a rubber antioxidant, and is classified under tariff item 2921.44.00 as a diphenylamine derivative.
4,4'-Bis(α,α-dimethylbenzyl)diphenylamine
4,4'-Bis(α,α-dimethylbenzyl)diphenylamine is a sterically hindered diphenylamine derivative used as an antioxidant and stabilizer in rubber and polymer production. It is a chemically defined organic compound that falls under tariff item 2921.44.00 as a derivative of diphenylamine and its salts.
4,4'-Di-alpha-cumyl Diphenylamine
4,4'-Di-alpha-cumyl Diphenylamine is a sterically hindered diphenylamine derivative used as a premium antioxidant for natural and synthetic rubber. It is a chemically defined compound that falls under tariff item 2921.44.00.
4,4'-Dinitrodiphenylamine Technical Grade
4,4'-Dinitrodiphenylamine Technical Grade is used in explosive manufacturing and as a corrosion inhibitor. As a chemically defined dinitro derivative of diphenylamine, it is classified under tariff item 2921.44.00.
4-Nitrodiphenylamine
4-Nitrodiphenylamine is a nitro-substituted derivative of diphenylamine with the nitro group at the para position. It is used in dye synthesis and as a chemical intermediate, and is classified under tariff item 2921.44.00.