2,4-Diaminotoluene
2,4-Diaminotoluene (2,4-TDA) is a di-substituted aniline derivative used primarily as a curing agent in polyurethane production. Classified in HTS 2921.42.65.00 as an aniline derivative subject to the quantitative restrictions of additional U.S. note 3 to section VI.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 6.5% | +17.5% | 24% |
| 🇲🇽Mexico | 6.5% | +10.0% | 16.5% |
| 🇨🇦Canada | 6.5% | +10.0% | 16.5% |
| 🇩🇪Germany | 6.5% | +10.0% | 16.5% |
| 🇯🇵Japan | 6.5% | +10.0% | 16.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as o-phenylenediamine derivative
Diamines with adjacent amino groups on benzene ring have specific provisions in 2921.51.
If when used as carboxyaniline intermediate
Carboxy derivatives of aromatic amines classified later in chapter per note 3 classification rule.
If pre-polymerized into polyurethane prepolymer
Amino-functional polyurethanes classify as polymers in chapter 39 rather than monomers.
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Import Tips & Compliance
• Multiple CAS numbers exist (95-80-7 primary); declare all applicable numbers on entry summary
• Isomer ratio critical - mixtures with >10% 2,6-isomer may require different classification
• TSCA reporting required; pre-register with EPA for chemical substance inventory compliance
Related Products under HTS 2921.42.65.00
Toluidine (o-Toluidine)
Toluidine, specifically o-toluidine (2-methylaniline), is an aromatic monoamine derivative of aniline with a methyl group substituent. It falls under HTS 2921.42.65.00 as an aniline derivative described in additional U.S. note 3 to section VI, which covers specific organic chemicals subject to quantitative limitations.
p-Toluidine (4-Methylaniline)
p-Toluidine is a derivative of aniline featuring a methyl group at the para position, used in dye manufacturing and pharmaceuticals. Classified under HTS 2921.42.65.00 due to its status as an aniline derivative specified in additional U.S. note 3 to section VI for tariff quota purposes.
Aniline Hydrochloride Salt
Aniline hydrochloride is the hydrochloride salt of aniline, a common form for safe transport and handling of this aromatic amine. Per chapter note 3(C)(1), inorganic salts of organic amine compounds classify with the parent organic compound under HTS 2921.42.65.00 when listed in additional U.S. note 3.
p-Phenetidine (4-Ethoxyaniline)
p-Phenetidine is an ethoxy-substituted aniline derivative used in the manufacture of pharmaceuticals like paracetamol and as a dye intermediate. It is classified under HTS 2921.42.65.00 as specified in additional U.S. note 3 to section VI for quota-controlled aniline derivatives.
2,6-Dichloroaniline
2,6-Dichloroaniline is a dihalogenated aniline derivative serving as a key intermediate for herbicides like propanil and in pharmaceutical applications. Falls under HTS 2921.42.65.00 per inclusion in additional U.S. note 3 to section VI.
4-Chloroaniline
4-Chloroaniline is an aniline derivative with a chlorine substituent at the para position, primarily used as an intermediate in pesticide and pharmaceutical synthesis. It qualifies for HTS 2921.42.65.00 as a chemically defined aromatic monoamine listed under additional U.S. note 3 to section VI.