Pyrogallic Acid Flakes Industrial Grade
Industrial-grade pyrogallic acid (pyrogallol) in flake form, 90-95% purity, is a chemically defined polyphenol (1,2,3-trihydroxybenzene). The flake presentation reduces dusting during handling, and anti-dusting agents are permitted under Chapter 29 note 1(g) without altering its classification. It falls under tariff item 2907.29.00 as a polyphenol not otherwise specified.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| π¨π³China | Free | β | Free |
| π²π½Mexico | Free | β | Free |
| πΊπΈUnited States | Free | β | Free |
| π©πͺGermany | Free | β | Free |
| π―π΅Japan | Free | β | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is specifically resorcinol
Resorcinol is a separate polyphenol with its own subheading in the Customs Tariff.
If the product is specifically hydroquinone
Hydroquinone is a distinct polyphenol classified under its own subheading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item β and can price the duty on it in the same conversation.
Import Tips & Compliance
β’ Ensure the anti-dusting agent is solely for safety or handling and does not make the product suitable for a specific use, per Chapter 29 note 1(g)
β’ Declare the purity (90-95%) and physical form accurately on the commercial invoice
β’ Verify if the product requires a permit under the Chemicals Management Plan (CMP) before importation
Related Products under Tariff item 2907.29.00
1-Naphthol
1-Naphthol is a monohydric phenol derived from naphthalene, featuring a hydroxyl group on one ring. It is a chemically defined organic compound used primarily as an intermediate in the production of azo dyes and pesticides, falling under the polyphenols; phenol-alcohols heading as 'Other'.
2-Naphthol
2-Naphthol (Ξ²-naphthol) is a monohydric naphthol with a hydroxyl group on the second carbon of the naphthalene ring. It is a chemically defined organic compound used as a key intermediate for azo dyes, rubber antioxidants, and pharmaceuticals, classified under the 'Other' polyphenols; phenol-alcohols subheading.
2-Phenylethanol
2-Phenylethanol is a phenol-alcohol consisting of a phenyl ring attached to an ethanol chain, making it a chemically defined organic compound. It is widely used as a fragrance in perfumes and as a rose oil substitute, and falls under the 'Other' polyphenols; phenol-alcohols subheading due to its phenolic and alcoholic hydroxyl groups.
4,4'-Biphenol (CAS 92-88-6)
4,4'-Biphenol is a polyphenolic compound consisting of two hydroxyphenyl groups linked by a biphenyl bond. It is a chemically defined organic compound used primarily in polymer production, antioxidants, and liquid crystal materials, classified under the 'Other' polyphenols; phenol-alcohols subheading.
4,4'-Biphenol Technical Grade Powder
Technical grade 4,4'-Biphenol powder (98-99% purity) is a chemically defined polyphenol used in antioxidant formulations and liquid crystal production. It is a separate chemically defined organic compound, falling under the 'Other' polyphenols; phenol-alcohols subheading.
4,4'-Dihydroxybiphenyl Crystals
4,4'-Dihydroxybiphenyl, also known as 4,4'-Biphenol, is a chemically defined bis-phenol with two hydroxyl groups on a biphenyl structure. It is used in epoxy resin hardeners and polymer production, classified under the 'Other' polyphenols; phenol-alcohols subheading.