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.
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 organo-sulfur derivatives if sulfated
Sulfonated derivatives excluded from 2930/2931 per notes; but if sulfur linked to carbon, shifts heading.
If sugar ethers/esters containing this moiety
Products of 2940 supersede earlier nitriles per chapter note (c).
If activated for specific pesticide use
Preparations put up for retail pesticide sale excluded to Chapter 38.
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Import Tips & Compliance
ā¢ Provide lot-specific HPLC analysis for purity claims; ensure nitrogen content 66-68% per spec; avoid wooden packaging to prevent contamination
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.
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.
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.