m-Phenylenediamine
m-Phenylenediamine is an aromatic diamine used in epoxy resins, polyurethanes, and as a dye intermediate. This product is classified in HTS 2921.59.4000 because it matches chemicals described in 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% | +35.0% | 41.5% |
| 🇲🇽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 for specific diaminobenzene isomers
Named isomers like m-phenylenediamine may have earlier specific provisions in 2921.51.
If advanced to polyamide prepolymer
Partially polymerized forms exceed Chapter 29 compound definition, entering Chapter 39.
If primarily an aniline derivative
Certain aniline derivatives classify earlier under 2921.42 before polyamines.
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Import Tips & Compliance
• Use CAS 108-45-2 in all documentation for precise identification and quota tracking
• Test for isomer purity to distinguish from ortho/para forms with different subheadings
• Prepare for potential EPA scrutiny on workplace handling requirements
Related Products under HTS 2921.59.40.00
p-Phenylenediamine
p-Phenylenediamine is an aromatic diamine used primarily as an intermediate in the production of polymers, dyes, and rubber antioxidants. It falls under HTS 2921.59.4000 as an aromatic polyamine derivative listed in additional U.S. note 3 to section VI, which specifies certain organic chemicals subject to quantitative limitations.
4,4'-Methylenedianiline (MDA)
4,4'-Methylenedianiline is a diphenylmethane-based aromatic polyamine used in polyurethane production and epoxy curing agents. Classified under HTS 2921.59.4000 due to its status as a derivative of aromatic polyamines specified in additional U.S. note 3 to section VI.
2,4-Diaminotoluene
2,4-Diaminotoluene is an aromatic polyamine serving as an intermediate for toluene diisocyanate (TDI) production and hair dyes. It qualifies for HTS 2921.59.4000 as a product enumerated in additional U.S. note 3 to section VI for this amine-function compound.
4,4'-Diaminodiphenylmethane
4,4'-Diaminodiphenylmethane, also known as DDM, is an aromatic polyamine used in epoxy resin curing and polyimide synthesis. It is covered by HTS 2921.59.4000 as a derivative specified in additional U.S. note 3 to section VI.
2,2'-Dichlorobenzidine
2,2'-Dichlorobenzidine is a halogenated aromatic polyamine used in azo pigment manufacturing. It falls under HTS 2921.59.4000 as a derivative listed in additional U.S. note 3, consistent with Chapter 29 provisions for halogenated amines.
3,3'-Dichloro-4,4'-diaminodiphenylmethane
This chlorinated aromatic polyamine serves as a curing agent for epoxy resins and polyurethane systems. Classified in HTS 2921.59.4000 per its inclusion in additional U.S. note 3 to section VI for specified aromatic amine derivatives.