Ammonium Gentisate
Ammonium gentisate is the ammonium salt of gentisic acid (2,5-dihydroxybenzoic acid). As an inorganic salt of an organic acid with a phenol function, it is classified with the parent acid under this tariff item per Chapter 29 salt rules.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document the salt as ammonium gentisate with its CAS number
• Verify that the salt is not more specifically covered by another tariff item
• If the product is for pharmaceutical use, ensure compliance with Health Canada regulations
Related Products under Tariff item 2918.29.00
1-Hydroxy-2-Naphthoic Acid
1-Hydroxy-2-naphthoic acid is a naphthol carboxylic acid with both phenol and carboxylic acid functions, without other oxygen groups. It is used as an intermediate in the production of dyes and pharmaceuticals. This compound falls under tariff item 2918.29.00 as a carboxylic acid with phenol function.
1-Hydroxy-2-Naphthoic Acid Phenyl Ester
1-Hydroxy-2-naphthoic acid phenyl ester is the phenyl ester derivative of 1-hydroxy-2-naphthoic acid. Per Chapter 29 ester rules, it is classified with the parent acid. This ester is used in fine chemical synthesis and as an intermediate.
2,3-Cresotic Acid
2,3-Cresotic acid, also known as 2,3-dihydroxy-4-methylbenzoic acid, is a carboxylic acid with a phenol function. It is used in the synthesis of dyes and pharmaceuticals. This compound is classified under tariff item 2918.29.00 as an 'other' carboxylic acid with phenol function.
2-Hydroxy-1-Naphthoic Acid
2-Hydroxy-1-naphthoic acid is a phenolic naphthoic acid used in azo dye coupling and pharmaceutical synthesis. It has both phenol and carboxylic acid functions without other oxygen groups. This compound falls under tariff item 2918.29.00.
2-Hydroxybenzoic Acid Calcium Salt
2-Hydroxybenzoic acid calcium salt, or calcium salicylate, is the calcium salt of salicylic acid. Per Chapter 29 note 5, inorganic salts of organic acids are classified with the parent acid. It is used in pharmaceutical applications.
3,4-Dihydroxycinnamic Acid
3,4-Dihydroxycinnamic acid, also known as caffeic acid, is a hydroxycinnamic acid with a phenolic carboxylic acid structure. It is a separate chemically defined organic compound and falls under this tariff item as a carboxylic acid with phenol function without other oxygen functions.