1-Cyanoguanidine (dicyandiamide)
Nitrile-function compounds. > 1-Cyanoguanidine (dicyandiamide) > 1-Cyanoguanidine (dicyandiamide)
Duty Rate (from China)
Products classified under Tariff item 2926.20.00
Dicyandiamide (1-Cyanoguanamide)
Dicyandiamide, also known as 1-cyanoguanidine, is a white crystalline powder classified as a nitrile-function compound due to its cyano group (-C≡N) attached to the guanidine structure. It is a separate chemically defined organic compound, meeting the criteria of Chapter 29 Note 1(a). It falls under tariff item 2926.20.00 as the sole item for this subheading.
Dicyandiamide Curing Agent DCDA
DCDA (dicyandiamide) curing agent is a latent hardener for thermoset polymers like epoxies, falling under tariff item 2926.20.00 as a pure nitrile-function compound per Chapter 29 definitions. Even when formulated for use as a curing agent, it remains classifiable here if it is not put up in measured doses or for retail sale as a product of another heading.
High-Purity Dicyandiamide 99.9%
High-purity 99.9% dicyandiamide is a specialty chemical for flame-retardant formulations, under tariff item 2926.20.00 as a nitrile-function organic compound. Its classification follows Chapter 29 Note 1(a) without impurities affecting its identity as a separate chemically defined compound.
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 tariff item 2926.20.00 for its nitrile-function structure. It meets Chapter 29 Note 1(a) as a separate chemically defined organic compound, even with minor impurities.
Pharma Grade 1-Cyanoguanidine
Pharmaceutical grade 1-cyanoguanidine (USP/EP compliant) is a nitrile-function compound under tariff item 2926.20.00, used as an intermediate in synthesizing antiviral and antidiabetic drugs. Its classification adheres to Chapter 29 Note 1(a) as a separate chemically defined compound, regardless of its pharmaceutical grade.
Technical Dicyandiamide Flakes
Technical grade dicyandiamide in flake form is used in water treatment as a precipitant, classified under tariff item 2926.20.00 for its 1-cyanoguanidine chemical structure. It qualifies under Chapter 29 Note 1(f) if minor anti-caking agents are added for preservation or transport, provided they do not make it suitable for a specific use.