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Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols. > Other: > Other > Other
Duty Rate (from China)
Products classified under Tariff item 2908.99.00.00
1,8-Dihydroxynaphthalene-3,6-disulfonic acid (H Acid)
1,8-Dihydroxynaphthalene-3,6-disulfonic acid, known as H Acid, is a key intermediate for azo dye synthesis. It is a separate chemically defined organic compound with two hydroxy groups and two sulfo groups. It falls under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.001-Naphthol-3,6-disulfonic acid
1-Naphthol-3,6-disulfonic acid, also known as H-acid, is a sulfonated derivative of naphthol with two sulfo groups. It is a separate chemically defined organic compound used as an intermediate in dye chemistry. It falls under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.001-Naphthol-4-sulfonic acid
1-Naphthol-4-sulfonic acid is a sulfonated derivative of 1-naphthol with a sulfo group at the 4-position. It is a separate chemically defined organic compound used as a dye intermediate. It falls under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.001-Naphthol-4-sulfonic acid monohydrate
1-Naphthol-4-sulfonic acid monohydrate is the hydrated form of 1-naphthol-4-sulfonic acid, stable for transport in dye production. It is a separate chemically defined organic compound with water of hydration. It qualifies under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols, as the water does not alter its chemical classification.
2908.99.002,5-Dihydroxybenzenesulfonic acid potassium salt
2,5-Dihydroxybenzenesulfonic acid potassium salt is a sulfonated derivative of dihydroxybenzene in its potassium salt form. It is a separate chemically defined organic compound with only sulfo groups attached to the phenolic structure. It qualifies under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.002-Naphthol-3,6-disulfonic acid disodium salt
2-Naphthol-3,6-disulfonic acid disodium salt, also known as R-acid salt, is a sulfonated naphthol derivative with two sulfo groups in its disodium salt form. It is a separate chemically defined organic compound used in dye synthesis. It falls under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.003,6-Dihydroxy-2,7-naphthalenedisulfonic acid
3,6-Dihydroxy-2,7-naphthalenedisulfonic acid is a naphthalene-based compound with two hydroxy groups and two sulfo groups. It is a separate chemically defined organic compound and a sulfonated derivative of phenol-alcohols. It qualifies under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.003,6-Dihydroxy-2,7-naphthalenedisulfonic acid sodium salt
3,6-Dihydroxy-2,7-naphthalenedisulfonic acid sodium salt is the sodium salt form of this specific naphthalenedisulfonic acid. It is a separate chemically defined organic compound and a sulfonated derivative of phenol-alcohols. It falls under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.004-Dodecylbenzenesulfonic Acid
4-Dodecylbenzenesulfonic acid is the free acid form of dodecylbenzene sulfonate, a sulfonated alkylbenzene derivative. It is a chemically defined organic compound with a sulfo group, used as a key intermediate for detergent manufacturing. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols.
2908.99.004-Hydroxy-1-naphthalenesulfonic acid, 98% purity
4-Hydroxy-1-naphthalenesulfonic acid at 98% purity is a high-purity technical grade compound used as a pharmaceutical and dye intermediate. It is a separate chemically defined organic compound with only sulfo groups. It falls under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.004-Hydroxy-1-naphthalenesulfonic acid sodium salt
4-Hydroxy-1-naphthalenesulfonic acid sodium salt, also known as Laurent's acid salt, is a sulfonated naphthol derivative in its sodium salt form. It is a separate chemically defined organic compound with only sulfo groups. It qualifies under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.004-Nitrophenol ACS Reagent Grade
4-Nitrophenol ACS reagent grade is a nitrated derivative of phenol with the nitro group at the para position. It meets American Chemical Society purity standards for laboratory use and is essential for analytical chemistry applications. This chemically defined compound is classified under tariff item 2908.99.00 as a nitrated derivative of phenols.
2908.99.004-Nitrophenol with Anti-Dusting Agent
4-Nitrophenol with anti-dusting agent is p-nitrophenol treated to facilitate safe industrial handling. The anti-dusting agent is added for identification or safety reasons and does not render the product suitable for a specific use. This product is classified under tariff item 2908.99.00 per chapter note 1(g) as a nitrated derivative of phenols.
2908.99.00Ammonium 1-Naphthol-4-sulfonate
Ammonium 1-naphthol-4-sulfonate is the ammonium salt of 4-hydroxy-1-naphthalenesulfonic acid, used in analytical chemistry. It is a separate chemically defined organic compound and a sulfonated derivative of phenol-alcohols. It qualifies under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.00Ammonium Lauryl Sulfate
Ammonium lauryl sulfate is an anionic surfactant, the ammonium salt of the sulfate ester of lauryl alcohol. It is a chemically defined organic compound with a sulfo group, used in personal care foaming products. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenol-alcohols, as it is a sulfate ester of an alcohol.
2908.99.00Benzene Sulfonic Acid Sodium Salt
Benzene sulfonic acid sodium salt is the simplest sulfonated aromatic compound, derived from benzene with a sulfo group. It is a chemically defined compound used in chemical synthesis. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols, as it contains only sulfo groups.
2908.99.00Calcium Dodecylbenzenesulfonate
Calcium dodecylbenzenesulfonate is the calcium salt of dodecylbenzenesulfonic acid, an organic compound with a sulfo group. It is used as an emulsifier in lubricants and agricultural formulations. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols, per Chapter 29 note 5(C) for inorganic salts of organic compounds.
2908.99.00Camphor Sulfonic Acid
Camphor sulfonic acid is a chiral resolving agent derived from sulfonation of camphor, a bicyclic monoterpene. It is a chemically defined compound with a sulfo group, containing only sulfo groups as functional derivatives. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols.
2908.99.00Cumene Sulfonic Acid
Cumene sulfonic acid is derived from sulfonation of isopropylbenzene, containing only sulfo groups. It is a chemically defined compound used in hydrotropic formulations. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols.
2908.99.00Diisopropyl Naphthalene Sulfonic Acid Sodium Salt
Diisopropyl naphthalene sulfonic acid sodium salt is a sulfonated derivative of diisopropylnaphthalene, containing only sulfo groups. It is a chemically defined compound used as a dispersant in dyes and agrochemicals. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols.
2908.99.00Dinonylnaphthalene Sulfonic Acid
Dinonylnaphthalene sulfonic acid is a sulfonated derivative of dinonylnaphthalene, containing only sulfo groups. It is a chemically defined compound used as an extractant in hydrometallurgy and as a lube oil additive. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols.
2908.99.00Dioctyl Sodium Sulfosuccinate (DOSS)
Dioctyl sodium sulfosuccinate (DOSS) is an anionic surfactant, the sodium salt of the sulfosuccinate ester of dioctyl alcohol. It is a chemically defined compound with a sulfo group, used in pharmaceuticals, food emulsification, and industrial wetting agents. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenol-alcohols, per Chapter 29 note 5(A) for ester classification.
2908.99.00Disodium 1,8-Dihydroxynaphthalene-3,6-disulfonate (H Salt)
Disodium 1,8-dihydroxynaphthalene-3,6-disulfonate, commonly called H Salt, is the disodium salt form of H Acid, used in water-soluble dye coupling. It is a separate chemically defined organic compound and a sulfonated derivative of phenol-alcohols. It qualifies under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.00Gamma Acid (1,8-Dihydroxynaphthalene-3,6-disulfonic acid isomer)
Gamma Acid, a positional isomer of H Acid also classified as 1,8-dihydroxynaphthalene-3,6-disulfonic acid, is used interchangeably in reactive dye manufacturing. It is a separate chemically defined organic compound with two hydroxy groups and two sulfo groups. It falls under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.00H Acid 98% Technical Grade Powder
H Acid (1,8-dihydroxynaphthalene-3,6-disulfonic acid) is a technical-grade sulfonated derivative of naphthalene, a phenol-alcohol compound, with 98% purity and minimal impurities. It is used primarily as an intermediate in the production of azo dyes. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols, not elsewhere specified.
2908.99.00Lignin Sulfonate Sodium Salt
Lignin sulfonate sodium salt is a sulfonated derivative of lignin, a complex phenolic polymer, containing sulfo groups. It is used as a binder in concrete and other industrial applications. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols, provided it meets chemical purity standards.
2908.99.00Linear Alkylbenzene Sulfonic Acid (LABSA)
Linear alkylbenzene sulfonic acid (LABSA) is a sulfonic acid derivative of linear alkylbenzene, containing only sulfo groups. It is used as an intermediate for manufacturing biodegradable detergents. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols, as it is a chemically defined organic compound with a sulfo group.
2908.99.00Naphthalene Trisulfonic Acid Trisodium Salt
Naphthalene trisulfonic acid trisodium salt is a multi-sulfo derivative of naphthalene, containing only sulfo groups. It is a chemically defined compound used in azo dye synthesis. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols.
2908.99.00Petroleum Sulfonic Acid Sodium Salt
Petroleum sulfonic acid sodium salt, also known as mahogany sulfonate, is produced by sulfonating petroleum alkylbenzenes with phenolic characteristics. It contains only sulfo groups and is used as an emulsifier in oil drilling operations. This chemically defined salt falls under tariff item 2908.99.00 as a sulfonated derivative of phenols.
2908.99.00Phenol-4-Sulfonic Acid
Phenol-4-sulfonic acid, also known as 4-hydroxybenzenesulfonic acid, is a direct sulfonation product of phenol containing only sulfo groups. It is used as an intermediate in the production of dyes and pharmaceuticals. This chemically defined compound is classified under tariff item 2908.99.00 as a sulfonated derivative of phenols.
2908.99.00p-Nitrophenol (4-Nitrophenol)
p-Nitrophenol (4-nitrophenol) is a nitrated derivative of phenol with the nitro group at the para position. It appears as yellow crystals and is used as an intermediate in the production of dyes, pharmaceuticals, and pesticides. This chemically defined compound is classified under tariff item 2908.99.00 as a nitrated derivative of phenols.
2908.99.00Potassium 1-Naphthol-4-sulfonate
Potassium 1-naphthol-4-sulfonate is the potassium salt form of 1-naphthol-4-sulfonic acid, soluble for use in textile dye manufacturing. It is a separate chemically defined organic compound and a sulfonated derivative of phenol-alcohols. It falls under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.00Sodium 1-Naphthol-4-sulfonate
Sodium 1-naphthol-4-sulfonate is the sodium salt of 4-hydroxy-1-naphthalenesulfonic acid, used in azo dye coupling reactions. It is a separate chemically defined organic compound and a sulfonated derivative of phenol-alcohols. It qualifies under tariff item 2908.99.00 as a sulphonated derivative of phenols or phenol-alcohols.
2908.99.00Sodium Dodecylbenzenesulfonate
Sodium dodecylbenzenesulfonate is an anionic surfactant, the sodium salt of a sulfonated alkylbenzene chain. It is a chemically defined compound with a sulfo group, used primarily in laundry detergents and cleaning products. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols, per Chapter 29 note 5(C).
2908.99.00Sodium Dodecylbenzene Sulfonate
Sodium dodecylbenzene sulfonate is a chemically defined anionic surfactant derived from alkylated benzene with a sulfo group. It is commonly used in detergents and cleaning products. This compound falls under tariff item 2908.99.00 as a sulfonated derivative of phenols containing only sulfo groups.
2908.99.00Sodium Xylenesulfonate
Sodium xylenesulfonate is the sodium salt of xylenesulfonic acid, a sulfonated alkylbenzene derivative. It is a chemically defined compound with a sulfo group, used as a hydrotrope in liquid detergents to prevent phase separation. Under the Customs Tariff of Canada, it is classified in tariff item 2908.99.00 as a sulfonated derivative of phenols or phenol-alcohols.
2908.99.00Sodium Xylene Sulfonate
Sodium xylene sulfonate (CAS 1300-72-7) is a hydrotrope and coupling agent produced by sulfonating xylene, a dimethylbenzene with phenolic characteristics. It contains only sulfo groups and is used in various industrial formulations. This chemically defined salt is classified under tariff item 2908.99.00 as a sulfonated derivative of phenols.
2908.99.00Styrene Sulfonic Acid Sodium Salt
Styrene sulfonic acid sodium salt, also known as sodium styrenesulfonate (CAS 1230-52-2), is a monomer containing a sulfo group on a phenylethylene backbone. It is used in polymer synthesis for ion exchange resins. This chemically defined compound is classified under tariff item 2908.99.00 as a sulfonated derivative of phenols.
2908.99.00Toluene Sulfonic Acid Monohydrate
Toluene sulfonic acid monohydrate, specifically p-toluenesulfonic acid monohydrate (CAS 6190-39-2), is a strong organic acid produced by sulfonating toluene. It contains only sulfo groups on the phenolic ring and is used as a catalyst in esterification reactions. This chemically defined compound is classified under tariff item 2908.99.00 as a sulfonated derivative of phenols.
2908.99.00Xylene Sulfonic Acid Mixture (Ortho/Meta/Para)
Xylene sulfonic acid mixture containing ortho, meta, and para isomers is produced by sulfonating xylene. It contains only sulfo groups on phenolic rings and qualifies as a mixture of isomers under chapter note 1(b). This mixture is classified under tariff item 2908.99.00 as a sulfonated derivative of phenols.