Industrial Grade Dicyandiamide Powder
Industrial grade dicyandiamide is a high-purity (99.5%) white powder used as a curing agent for epoxy resins, classified under HTS 2926.20.00.00 for its nitrile-function structure. It meets chapter notes as a separate chemically defined organic compound without disqualifying additions.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| šØš³China | Free | +35.0% | 35% |
| š²š½Mexico | Free | +10.0% | 10% |
| šØš¦Canada | Free | +10.0% | 10% |
| š©šŖGermany | Free | +10.0% | 10% |
| šÆšµJapan | Free | +10.0% | 10% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for technical grade with heterocyclic impurities or stabilizers
If containing ring-position heteroatoms from cyclizing functions, it may fall under heading 2933 per chapter note exclusions, superseding nitrile classification.
If when pre-formulated as artificial graphite component for foundry use
Preparations with dicyandiamide for specific non-chemical uses shift to Chapter 38 artificial graphite products.
If classified by nitrogen function if nitro/nitroso groups emphasized
Chapter notes specify nitro/nitroso not as nitrogen-functions for 2929, but other nitrogen compounds could apply if nitrile is not principal.
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Import Tips & Compliance
ā¢ Obtain REACH or TSCA pre-notice if new to US market; use fiber drums for bulk shipments to prevent moisture absorption; check for anti-dumping duties from certain origins like China
Related Products under HTS 2926.20.00.00
Dicyandiamide (1-Cyanoguanamide)
Dicyandiamide, also known as 1-cyanoguanidine, is a white crystalline powder classified under HTS 2926.20.00.00 as a nitrile-function compound due to its cyano group (-Cā”N) attached to the guanidine structure. It serves as a key intermediate in organic synthesis for epoxy resins and pharmaceuticals.
Pharma Grade 1-Cyanoguanidine
Pharmaceutical grade 1-cyanoguanidine (USP/EP compliant) is a nitrile-function compound under HTS 2926.20.00.00, used as an intermediate in synthesizing antiviral and antidiabetic drugs. Its classification adheres to chapter note (a) as a separate chemically defined compound.
Dicyandiamide Curing Agent DCDA
DCDA (dicyandiamide) curing agent is a latent hardener for thermoset polymers like epoxies, falling under HTS 2926.20.00.00 as a pure nitrile-function compound per chapter definitions. It remains classifiable here even with minor stabilizers for transport.
Technical Dicyandiamide Flakes
Technical grade dicyandiamide in flake form is used in water treatment as a precipitant, classified under HTS 2926.20.00.00 for its 1-cyanoguanidine chemical structure. It qualifies under chapter note (f) if minor anti-caking agents are added solely for transport.
High-Purity Dicyandiamide 99.9%
High-purity 99.9% dicyandiamide is a specialty chemical for flame-retardant formulations, under HTS 2926.20.00.00 as a nitrile-function organic compound. Its classification follows chapter note (a) without impurities affecting heading.