1-Cyanoguanidine (Dicyandiamide)
Nitrile-function compounds: > 1-Cyanoguanidine (Dicyandiamide)
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified 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 (-C≡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.
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.