1,3-Di-o-tolylguanidine
1,3-Di-o-tolylguanidine, an aromatic guanidine derivative with o-tolyl substituents, is specifically named in HTS 2925.29.18.00. Primarily serves as a rubber accelerator and curing agent in industrial applications. Its imine-function classification places it among enumerated aromatic compounds.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported with primary amine functionality emphasized
Amine-function compounds precede imines numerically, but specific enumeration controls.
If in formulated rubber accelerator pastes
Preparations with this as active ingredient <50% classify as industrial chemical mixtures.
If for the corresponding toluidine precursor
Unsubstituted aromatic amines used as intermediates classify in earlier oxygen-function headings.
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Import Tips & Compliance
• Submit NMR or HPLC analysis verifying o-tolyl substitution pattern matches tariff specification
• Include rubber industry end-use certification to support accelerator classification
• Avoid bulk packaging that could trigger mixture classification under Chapter 38
Related Products under HTS 2925.29.18.00
N,N'-Diphenylguanidine
N,N'-Diphenylguanidine is an aromatic imine-function compound specifically enumerated under HTS 2925.29.18.00, used primarily as an accelerator in rubber vulcanization processes. Its chemical structure features the guanidine moiety with phenyl substituents, qualifying it as a derivative of imines in this tariff subheading.
3-Dimethylaminomethyleneiminophenol Hydrochloride
This hydrochloride salt of an aromatic imine derivative is explicitly listed in HTS 2925.29.18.00 due to its imine-function structure. Used in organic synthesis and as an intermediate for dyes and pharmaceuticals. The phenolic and imine moieties classify it within aromatic imines of this subheading.
N,N-Dimethyl-N'-[3-[[(methylamino)carbonyl]oxy]phenyl]methanimidamide Monohydrochloride
This complex aromatic imine hydrochloride with carbamate functionality is one of four compounds explicitly listed under HTS 2925.29.18.00. Used as a pesticide intermediate (related to carbanolate structures). The imine-function group determines its classification despite additional functional groups.
Diphenylguanidine (DPG) Rubber Accelerator DPG
Commercial-grade N,N'-Diphenylguanidine (DPG) specifically packaged for rubber industry use falls under HTS 2925.29.18.00 as the enumerated compound. Purity typically 95-99% with stabilizers permitted by chapter notes. Essential delayed-action accelerator for NR and SR vulcanization.
OTG 1,3-Di-o-Tolylguanidine Accelerator
OTG (1,3-Di-o-tolylguanidine) is the commercial designation for this HTS 2925.29.18.00 enumerated compound used in low-temperature rubber curing. Offers superior solubility compared to DPG in synthetic rubber compounds. Aromatic imine structure confirmed by standard analytical methods.