Pyrogallol (1,2,3-Benzenetriol)
Pyrogallol (1,2,3-benzenetriol) is a trihydroxybenzene used as a reducing agent in analytical chemistry, in hair dyes, and in photographic developers. It is a chemically defined polyphenol with three adjacent hydroxyl groups. Under the Customs Tariff, it is classified under the 'Other' tariff item of subheading 2907.29 as a polyphenol not elsewhere 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 imported as a synthetic organic colouring matter
Synthetic dyes and colouring matters are classified in Chapter 32, which may apply if pyrogallol is used as a dye intermediate.
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’ If pyrogallol is imported for use in hair dyes, verify compliance with Health Canada's Cosmetic Ingredient Hotlist, as it may be restricted
β’ For laboratory use, ensure proper labelling and SDS are provided to CBSA
β’ Confirm the product is not mixed with other chemicals, as Chapter 29 covers only separate chemically defined compounds
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.