p-Chlorophenoxyacetic acid
Also known as 4-chlorophenoxyacetic acid, this is an aromatic carboxylic acid with oxygen function used as a synthetic auxin in herbicides. It is explicitly listed under HTS 2918.99.1800 in the pesticides subcategory for aromatic acids. Commonly employed for weed control in crop production.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as a non-aromatic carboxylic acid derivative
Aliphatic phenoxyacetic acids without aromatic substitution fall under different 2918.90 subheadings.
If when imported in herbicide formulations
Chapter 38 covers pesticide products based on use, not pure chemical identity.
If considered primarily an ether rather than carboxylic acid
Classification prioritizes principal function; ether headings precede carboxylic acids numerically.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Submit detailed chemical analysis confirming >98% purity to avoid reclassification as a mixture
• Comply with FIFRA requirements by registering as a pesticide active ingredient with U.S
• EPA prior to import
• Use proper HazMat packaging and declarations due to its corrosive and toxic properties
Related Products under HTS 2918.99.18.00
4-(4-Chloro-2-methylphenoxy)butyric acid
This is a specific aromatic carboxylic acid with an additional oxygen function, featuring a chloro-methylphenoxy group linked to a butyric acid chain. It falls under HTS 2918.99.1800 as one of the explicitly named pesticides in the subcategory for aromatic acids with oxygen functions. Primarily used as a plant growth regulator in agricultural applications.
2-(2,4-Dichlorophenoxy)propionic acid
This chlorinated aromatic acid with oxygen function, also called 2,4-DP, acts as a selective herbicide for broadleaf weed control. Explicitly named in HTS 2918.99.1800 under pesticides for aromatic carboxylic acids with additional oxygen. It mimics plant hormones to disrupt growth.
Mecoprop-p (4-(4-Chloro-2-methylphenoxy)butyric acid enantiomer)
The herbicidally active enantiomer of 4-(4-chloro-2-methylphenoxy)butyric acid, used in selective weed control formulations. Classifies under HTS 2918.99.1800 as the specifically named pesticide compound despite stereospecificity. Meets chapter 29 requirements for chemically defined aromatic oxygen-function acids.
Technical grade p-Chlorophenoxyacetic acid 98%
High-purity technical grade version of p-chlorophenoxyacetic acid with minor impurities, used as herbicide intermediate. Falls under HTS 2918.99.1800 as explicitly named pesticide; chapter notes allow impurities. Essential for synthesizing plant growth regulators.