Catechol (1,2-Benzenediol)
Catechol, also known as pyrocatechol, is a dihydric phenol used in photography, dyes, and antioxidants. Classified in HTS 2907.29.90.00 as other polyphenols, it has adjacent hydroxyl groups on benzene ring. Industrial applications include rubber antioxidants and electroplating.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically provided for in statistical suffix
More specific 10-digit HTS codes may exist for commercially important catechols.
If bug attractant formulation
Insecticide formulations containing phenols classified under pesticides in Chapter 38.
If further oxidized to ortho-quinone
Cyclic quinones classified under oxygen-function compounds in 2916.
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Import Tips & Compliance
• Provide specification for technical grade vs pharmaceutical grade
• Include flash point and autoignition data for proper shipping classification
• Document polymerization inhibitors if present for stability
Related Products under HTS 2907.29.90.00
Resorcinol (1,3-Benzenediol)
Resorcinol is a dihydroxybenzene (polyphenol) used in the production of resins, dyes, and pharmaceuticals. It falls under HTS 2907.29.90.00 as a polyphenolic compound that is chemically defined and not specifically provided for elsewhere in heading 2907. This white crystalline solid is a key intermediate in organic synthesis.
Hydroquinone (1,4-Benzenediol)
Hydroquinone is a polyphenol used as a photographic developer, antioxidant, and in skin lightening products. Classified under HTS 2907.29.90.00 as 'other' polyphenols, it features two hydroxyl groups on a benzene ring. This compound requires careful handling due to its oxidizing properties.
Pyrogallol (1,2,3-Benzenetriol)
Pyrogallol is a trihydroxybenzene (polyphenol) used in analytical chemistry, hair dyes, and as a reducing agent. It qualifies for HTS 2907.29.90.00 as a polyphenol not elsewhere specified, distinguished by three phenolic hydroxyl groups. This highly reactive compound requires stabilization for commercial transport.
Phloroglucinol (1,3,5-Benzenetriol)
Phloroglucinol is a symmetrical triphenol used in pharmaceuticals, explosives, and as a reagent for phloroglucinol test. Under HTS 2907.29.90.00 as 'other' polyphenols, it features three hydroxyl groups meta-positioned on benzene. Primarily supplied as dihydrate for stability.
Guaiacol (2-Methoxyphenol)
Guaiacol is a methyl ether of catechol used as expectorant, flavoring agent, and in resins. Falls under HTS 2907.29.90.00 as phenol derivative (phenol-alcohol per hierarchy), though technically monophenolic with methoxy group. Extracted from wood creosote or synthesized.
Gallic Acid (3,4,5-Trihydroxybenzoic Acid)
Gallic acid is a trihydroxybenzoic acid polyphenol used in inks, pharmaceuticals, and as antioxidant. Classified under HTS 2907.29.90.00 as polyphenol though technically carboxylic acid; phenolic functions dominate classification. Occurs naturally in plants, commercially synthesized.