Other
Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. > Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: > Other > Other
Duty Rate (from China)
Products classified under Tariff item 2918.29.00.00
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.
2918.29.001-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.
2918.29.002,3-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.
2918.29.002-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.
2918.29.002-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.
2918.29.003,4-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.
2918.29.003-Hydroxybenzoic Acid Aqueous Solution 30%
3-Hydroxybenzoic acid aqueous solution at 30% concentration is a chemically defined compound dissolved in water, per Chapter 29 note 1(d). It is used in cosmetics and as an intermediate. This product falls under tariff item 2918.29.00.
2918.29.003-Hydroxybenzoic Acid Technical Grade
3-Hydroxybenzoic acid technical grade is a lower purity form of m-hydroxybenzoic acid, meeting Chapter 29 criteria for chemically defined compounds. It is used in industrial organic synthesis. This product falls under tariff item 2918.29.00.
2918.29.004-Hydroxybenzoic Acid USP Grade
4-Hydroxybenzoic acid USP grade (p-hydroxybenzoic acid) is a carboxylic acid with a phenol function, classified under this tariff item as a separate chemically defined compound. This pharmaceutical-grade product meets USP standards for purity and is used primarily in pharmaceutical applications.
2918.29.005-Sulfosalicylic Acid
5-Sulfosalicylic acid is a sulfonated derivative of salicylic acid, specifically 5-hydroxy-2-sulfobenzoic acid. Despite the sulfonation, it is classified under tariff item 2918.29.00 as a carboxylic acid with phenol function. It is used for protein precipitation and iron testing.
2918.29.00ADK Stab AO-259 Antioxidant
ADK Stab AO-259 is a hindered phenolic antioxidant, chemically 1,6-hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate. It is used in engineering plastics for heat stability. This ester derivative of a phenolic carboxylic acid falls under tariff item 2918.29.00.
2918.29.00Ammonium 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.
2918.29.00Caffeic Acid Pharmaceutical Grade
Pharmaceutical grade caffeic acid (3,4-dihydroxycinnamic acid) is a high-purity hydroxycinnamic acid with a phenolic carboxylic acid structure. It falls under this tariff item as a carboxylic acid with phenol function, supplied as powder for pharmaceutical and research applications.
2918.29.00Ferulic Acid Powder 99%
Ferulic acid (4-hydroxy-3-methoxycinnamic acid) is a hydroxycinnamic acid with a phenolic carboxylic acid structure. It is a separate chemically defined compound used as an antioxidant, classified under this tariff item as a carboxylic acid with phenol function.
2918.29.00Ferulic Acid Sodium Salt Dihydrate
Ferulic acid sodium salt dihydrate is a hydrated sodium salt of ferulic acid. As an inorganic salt of an organic acid with a phenol function, it is classified with the parent acid under this tariff item, with water of hydration not affecting chemical definition.
2918.29.00Gentisate Sodium Hemihydrate
Sodium gentisate hemihydrate is a hydrated sodium salt of gentisic acid (2,5-dihydroxybenzoic acid). It remains classified under this tariff item as a salt of a phenolic carboxylic acid, with water of hydration not altering its chemical identity.
2918.29.00Gentisic Acid 98% Technical Grade
Technical grade gentisic acid at 98% purity is the named compound 2,5-dihydroxybenzoic acid, a dihydroxybenzoic acid with a phenol function. It is used in industrial synthesis of dyes and pharmaceuticals and falls under this tariff item as a carboxylic acid with additional oxygen function.
2918.29.00Gentisic Acid USP Grade
USP-grade gentisic acid (2,5-dihydroxybenzoic acid) is a chemically defined organic compound with a carboxylic acid group and phenolic hydroxy functions. It is classified under this tariff item as a carboxylic acid with phenol function, meeting pharmaceutical purity standards.
2918.29.00Hexanediol Bisphenol Propionate Stabilizer 2918
Hexanediol bisphenol propionate stabilizer is a technical-grade antioxidant used in wire and cable insulation. It is chemically 1,6-hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate, a phenolic carboxylic acid derivative. This product falls under tariff item 2918.29.00.
2918.29.00High Purity m-Hydroxybenzoic Acid for Synthesis
High purity m-hydroxybenzoic acid (3-hydroxybenzoic acid) in ACS reagent grade, with a purity exceeding 99.8%, is a separate chemically defined organic compound with a carboxylic acid group and a phenolic hydroxy group. It is used in organic chemistry research and fine chemical synthesis, and qualifies under this tariff item as a carboxylic acid with phenol function without other oxygen functions.
2918.29.00Hydroxycinnamic Acid Technical 90%
Technical grade hydroxycinnamic acid at 90% purity is a mixture of hydroxycinnamic acids, primarily used as an intermediate. It is classified under this tariff item as a carboxylic acid with phenol function, though the mixture may require careful analysis of its components.
2918.29.00Industrial m-Hydroxybenzoic Acid Bulk Pack
Industrial grade m-hydroxybenzoic acid in bulk 25 kg bags, used for polymer and resin manufacturing, is a separate chemically defined organic compound. It meets Chapter 29 criteria as a carboxylic acid with a phenol function, and is classified under this tariff item as 'Other' within the subheading.
2918.29.00Industrial p-Hydroxybenzoic Acid 99% Min
Industrial p-hydroxybenzoic acid at minimum 99% purity is a carboxylic acid with a phenol function, classified under this tariff item as a separate chemically defined compound. This industrial-grade product is used in liquid crystal polymer production and as a UV absorber intermediate.
2918.29.00Irganox 259 Antioxidant
Irganox 259 is a hindered phenolic antioxidant, chemically 1,6-hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate. It prevents oxidative degradation in polymers. This ester of a phenolic carboxylic acid is classified under tariff item 2918.29.00.
2918.29.00Lowinox 259B Polymer Antioxidant
Lowinox 259B is the beaded form of 1,6-hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate, a hindered phenolic antioxidant. It is used in polyolefin extrusion. This product falls under tariff item 2918.29.00 as a phenolic carboxylic acid derivative.
2918.29.00Meta-Hydroxybenzoic Acid Pharmaceutical Grade USP
USP-grade m-hydroxybenzoic acid meeting United States Pharmacopeia standards is a high-purity chemically defined compound used in drug synthesis. As a carboxylic acid with a phenol function, it falls under this tariff item for 'Other' carboxylic acids with additional oxygen function.
2918.29.00Methyl Caffeate
Methyl caffeate is an ester of caffeic acid, a hydroxycinnamic acid with a phenol function. Although it is an ester, it is classified under this tariff item because the ester is derived from an acid-function organic compound of sub-Chapter I to VII, and the acid component (caffeic acid) falls under heading 29.18. The compound is a separate chemically defined organic compound, meeting the requirements of Chapter 29.
2918.29.00m-Hydroxybenzoic Acid (99% Pure)
m-Hydroxybenzoic acid (3-hydroxybenzoic acid) at 99% purity is a separate chemically defined organic compound with a carboxylic acid group and a phenolic hydroxy group on a benzene ring. It is classified under this tariff item as a carboxylic acid with phenol function, without other oxygen functions.
2918.29.00m-Hydroxybenzoic Acid Flake Form Stabilized
Stabilized flake form m-hydroxybenzoic acid includes minor anti-caking agents permitted under Chapter 29 note 1(f). The product remains a chemically defined compound with a phenol function, classified under this tariff item as 'Other' carboxylic acids with additional oxygen function.
2918.29.00m-Hydroxybenzoic Acid Sodium Salt
Sodium m-hydroxybenzoate, the sodium salt of m-hydroxybenzoic acid, is classified with the parent acid under Chapter 29 note 5(C)(1) for inorganic salts of organic compounds. It is used as a preservative intermediate and falls under this tariff item as a carboxylic acid with phenol function.
2918.29.00Parabens Precursor p-Hydroxybenzoic Acid
This high-purity p-hydroxybenzoic acid is marketed as a precursor for methylparaben and propylparaben preservatives. It remains classified under this tariff item as the base chemically defined acid with a phenol function, meeting the chapter's requirements for classification.
2918.29.00p-Coumaric Acid Research Grade
p-Coumaric acid (4-hydroxycinnamic acid) is a hydroxycinnamic acid with a phenol function, classified under this tariff item as a carboxylic acid with additional oxygen function. This high-purity research grade is a separate chemically defined organic compound, used in antioxidant studies and meeting the chapter's requirements for classification.
2918.29.00p-Hydroxybenzoic Acid Flake Form
p-Hydroxybenzoic acid in flake form is a carboxylic acid with a phenol function, classified under this tariff item as a separate chemically defined compound. The flake form is processed for easier handling and transport, and may contain an allowed anti-dusting agent per Chapter 29 Note 1(g), without rendering it particularly suitable for a specific use.
2918.29.00Potassium Caffeate Salt
Potassium caffeate is the salt of caffeic acid, a hydroxycinnamic acid with a phenol function. As an inorganic salt of an organic compound, it is classified in the heading appropriate to the organic compound (caffeic acid) under Chapter 29 Note 5(C)(1). This water-soluble form is used in pharmaceutical and food additive applications.
2918.29.00α-Resorcylic Acid
α-Resorcylic acid, or 2,4-dihydroxybenzoic acid, is a dihydroxybenzoic acid with phenol functions. It is used in pharmaceuticals and as a biochemical reagent. This compound falls under tariff item 2918.29.00.
2918.29.00γ-Resorcylic Acid
γ-Resorcylic acid, or 2,6-dihydroxybenzoic acid, is a dihydroxybenzoic acid with phenol functions. It is used in organic synthesis and mycotoxin research. This compound is classified under tariff item 2918.29.00.
2918.29.00Sinapic Acid 95% Powder
Sinapic acid (4-hydroxy-3,5-dimethoxycinnamic acid) is a hydroxycinnamic acid with a phenol function, classified under this tariff item as a carboxylic acid with additional oxygen function. This 95% powder is a separate chemically defined organic compound, used in nutraceuticals and as a biosynthetic precursor, meeting the chapter's requirements.
2918.29.00Sodium Ferulate Salt
Sodium ferulate is the sodium salt of ferulic acid, a hydroxycinnamic acid with a phenol function. As an inorganic salt of an organic compound, it is classified in the heading appropriate to the organic compound (ferulic acid) under Chapter 29 Note 5(C)(1). This water-soluble powder is used in traditional medicine and cardiovascular applications.
2918.29.00Songnox 259 Polymer Stabilizer
Songnox 259 is a hindered phenolic antioxidant, chemically 1,6-hexanediol bis(3,5-dibutyl-4-hydroxyphenyl)propionate. It is supplied as powder or flakes for stabilizing polypropylene and polyethylene. This product is classified under tariff item 2918.29.00.
2918.29.00trans-Ferulic Acid USP
trans-Ferulic acid USP grade is a specified isomer of hydroxycinnamic acid, classified under this tariff item as a carboxylic acid with phenol function. This pharmaceutical antioxidant standard is a separate chemically defined organic compound, meeting the chapter's requirements for classification.