Cacodylic Acid (Dimethylarsinic Acid)
Cacodylic acid is an organoarsenic compound with two methyl groups and carboxylic acid function directly bound to arsenic. It qualifies under HTS 2931.90.90.40 as other organo-inorganic per Chapter 29 note on nonmetal/metal directly linked to carbon. Commonly used as herbicide and in wood preservation.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified by saturated acyclic carboxylic acid function
Chapter note prioritizes acid-function heading last in order; if oxygen function dominates over organo-inorganic nature.
If when imported as formulated herbicide for retail
Pesticides in Chapter 38 if put up for specific use, per Chapter 29 exclusion for preparations.
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Import Tips & Compliance
• Secure EPA registration under FIFRA for pesticide use; label with exact composition to avoid reclassification as mixtures
• Use licensed hazmat carriers due to acute toxicity
Related Products under HTS 2931.90.90.40
Tris(2-chlorovinyl)arsine
Tris(2-chlorovinyl)arsine is a highly toxic organo-arsenic compound containing arsenic directly linked to carbon atoms in vinyl groups with chlorine substituents. It falls under HTS 2931.90.90.40 as a specific other organo-inorganic compound per Chapter 29 notes, distinct from sulfonated or halogenated derivatives classified elsewhere. Primarily used in chemical synthesis and historical chemical warfare agent production.
Tris(2-chlorovinyl)arsine Oxide
A derivative of tris(2-chlorovinyl)arsine featuring an oxide group on arsenic, maintaining direct As-C bonds with chlorovinyl substituents. Classified under HTS 2931.90.90.40 as other organo-inorganic compounds per Chapter 29 definitions for arsenic-containing organics. Used in specialized chemical research and synthesis.
Methylarsonic Acid
Methylarsonic acid (CH3AsO(OH)2) is a simple organoarsenic compound with direct As-C bond and acid groups. Falls under HTS 2931.90.90.40 as other organo-inorganic compounds not covered by prior specific subheadings. Employed in agriculture as herbicide and cotton desiccant.
Triphenylarsine
Triphenylarsine (AsPh3) features three phenyl groups directly bound to arsenic, qualifying as organo-inorganic under Chapter 29 notes. Classified in HTS 2931.90.90.40 as other such compounds beyond specific subheadings. Serves as ligand in organometallic catalysis and organic synthesis.
Diphenylchloroarsine
Diphenylchloroarsine contains two phenyl groups and one chlorine directly on arsenic, with As-C bonds defining its organo-inorganic nature. HTS 2931.90.90.40 covers it as other organo-inorganic, per exclusion of simple halogenated from this heading. Historical use as chemical warfare agent and analytical reagent.
Arsinic Acid, Dodecyl-, Sodium Salt
This sodium salt of dodecylarsinic acid has a long alkyl chain bound to arsenic with acid/salt functions. As an organo-inorganic salt, it fits HTS 2931.90.90.40 under Chapter 29 note (C)(1) classifying salts with the organic compound. Used as surfactant or antimicrobial.