Other

2903.82.00Aldrin (ISO), chlordane (ISO) and heptachlor (ISO)

2903.83.00Mirex (ISO)

2903.89.00Other

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Products classified under Tariff item 2903.8

Gamma-HCH Pharmaceutical Grade

Pharmaceutical-grade gamma-hexachlorocyclohexane (lindane) meeting USP standards, used as an active ingredient in scabicide synthesis. This pure HCH isomer is a halogenated cyclanic hydrocarbon, classifiable under tariff item 2903.81.00.

HCH Lindane Aqueous Solution 20%

A 20% lindane aqueous solution used for safe handling in chemical synthesis. Per Chapter Note 1(d), products of this heading dissolved in water remain classified here, as the solution is a normal method of putting up the product.

HCH Mixed Isomers Flake Form

Technical HCH flakes containing mixed isomers including lindane, used for lindane extraction. This product is a halogenated cyclanic hydrocarbon mixture, classifiable under tariff item 2903.81.00 as it is a named compound in the heading.

Lindane 99% Pure Crystals

High-purity lindane crystals (99% gamma-HCH) used in pharmaceutical and agricultural chemical synthesis. As a pure, chemically defined 1,2,3,4,5,6-hexachlorocyclohexane isomer, it falls under tariff item 2903.81.00.

Lindane Stabilized for Transport

Lindane powder with added stabilizer for safe transport, maintaining its identity as a chemically defined HCH compound. Per Chapter Note 1(f), stabilizers necessary for preservation or transport do not affect classification under tariff item 2903.81.00.

Lindane Technical Grade Powder

Technical grade lindane powder used as an intermediate in pesticide manufacturing. As a halogenated cyclanic hydrocarbon, it falls under tariff item 2903.81.00, which specifically names 1,2,3,4,5,6-hexachlorocyclohexane including lindane.

Purified Lindane Distillation Residue

Residue from lindane purification containing over 60% gamma-HCH isomers, used for secondary recovery or lower-grade synthesis. Despite impurities, the primary chemical identity remains HCH, so it classifies under tariff item 2903.81.00.

Technical Lindane 90% Wettable Powder

90% lindane wettable powder base for further formulation, containing minimal dispersants. Per Chapter Note 1(g), added identification aids do not affect classification under tariff item 2903.81.00, provided they do not make the product suitable for specific use.

Aldrin 95% Technical Powder

Technical-grade aldrin at 95% purity with minimal impurities, classified under tariff item 2903.82.00 as a separate chemically defined organic compound. It is a halogenated derivative of cyclanic hydrocarbons, specifically named as aldrin (ISO). Primarily used for industrial synthesis of dieldrin or as an intermediate in chemical production.

Aldrin Technical Grade Insecticide

Aldrin technical grade insecticide, a chlorinated cyclodiene specifically named in tariff item 2903.82.00 as a halogenated derivative of cyclanic hydrocarbons. Used primarily for soil treatment against agricultural pests. This pure compound is not put up in measured doses or retail packs, so it remains in chapter 29.

Chlordane 80% Wettable Powder Base

Chlordane base for wettable powders, technically pure under tariff item 2903.82.00 with allowed anti-caking agent per chapter note 1(f). It is a halogenated cyclodiene used for termite barriers. The added anti-caking agent does not render the product particularly suitable for specific use, so it stays in this heading.

Chlordane ISO Reference Substance

Pure chlordane ISO reference substance for calibration in pesticide residue analysis, directly under tariff item 2903.82.00. As a chemically defined halogenated cycloterpenic hydrocarbon, it fits the chapter's scope. It is not put up for retail sale and is used for analytical purposes only.

Chlordane Technical Emulsifiable Concentrate Base

Chlordane (ISO) technical emulsifiable concentrate base, a persistent organochlorine insecticide listed under tariff item 2903.82.00 for its halogenated cyclanic hydrocarbon structure. This technical grade is the pure active ingredient used in termite control formulations. It is not yet formulated with emulsifiers or solvents for end use.

Heptachlor Pure Chemical Standard

Heptachlor (ISO), a chlorinated hydrocarbon pesticide, explicitly covered by tariff item 2903.82.00 as a halogenated derivative of cyclenic hydrocarbons. Used as a reference standard for analytical labs and in manufacturing processes. This pure compound is not put up for retail sale.

Heptachlor Technical Flake Form

Heptachlor in flake form for easier handling, classified as tariff item 2903.82.00 under chapter note 1(f) for stabilizers aiding transport. This halogenated cyclanic compound is used in legacy agricultural applications. The form (flake) does not change its chemical identity as heptachlor (ISO).

Mixed Aldrin-Heptachlor Standard

Analytical standard mixture of aldrin and heptachlor isomers, under tariff item 2903.82.00 per chapter note 1(b) for mixtures of isomers of the same organic compound. Both are named ISO compounds with halogenated cyclanic structures. Used for multi-residue analysis in laboratories.

Dehydromirex Isomer Mixture

Dehydromirex is a mixture of isomers of Mirex (ISO), a fully chlorinated cyclopentadiene derivative. Under Chapter 29 Note 1(b), mixtures of two or more isomers of the same organic compound are classified in the same heading as the chemically defined compound, provided they are not excluded by other provisions. This product is used in toxicological studies as a surrogate for Mirex photodegradation products.

Mirex 99% Pure Crystals

High-purity crystalline Mirex (ISO) is a separate chemically defined organic compound, fully chlorinated and derived from cyclopentadiene. It meets the definition of halogenated derivatives of cyclanic hydrocarbons in Chapter 29 and is not excluded by Chapter Note 2. This product is used as a reference standard in analytical chemistry for pesticide residue testing.

Mirex Analytical Reference Standard

Mirex analytical reference standard is a certified reference material of Mirex (ISO), a chlorinated cyclopentadiene derivative. It is a separate chemically defined compound, classified under Chapter 29 as a halogenated derivative of cyclanic hydrocarbons. Supplied in amber vials for use in GC-MS calibration, it meets the criteria of Chapter Note 1(a).

Mirex Stabilized for Transport

Mirex stabilized for transport contains Mirex (ISO) with an added stabilizer to prevent degradation during shipping. Under Chapter 29 Note 1(f), products with a stabilizer necessary for preservation or transport remain classified in the same heading as the base compound. The stabilizer does not alter the product's specific use, so it falls under this tariff item.

Mirex Technical Grade Powder

Mirex technical grade powder is a fully chlorinated hydrocarbon, specifically tetradecachloropentacyclodecane, classified as a halogenated derivative of cyclanic hydrocarbons. It meets the definition of Mirex (ISO) and is used as an intermediate or in research applications. The product is a separate chemically defined compound, falling under Chapter Note 1(a).

1,2-Dichlorobenzene

1,2-Dichlorobenzene, also known as ortho-dichlorobenzene, is a benzene derivative with two chlorine atoms at adjacent positions. It is a separate chemically defined organic compound of Chapter 29, used in chemical manufacturing and as a solvent. Under tariff item 2903.89.00, it is classified as an 'other' halogenated derivative of cyclanic, cyclenic, or cycloterpenic hydrocarbons, as the specific subheading for dichlorobenzene isomers does not apply to this isomer.

1,4-Dibromobenzene

1,4-Dibromobenzene is a dihalogenated aromatic hydrocarbon with two bromine atoms at para positions on a benzene ring. It is used as an intermediate in the synthesis of liquid crystals and agrochemicals. As a halogenated derivative of a hydrocarbon, it is classified under this tariff item.

1-Bromo-4-fluorobenzene

1-Bromo-4-fluorobenzene is a dihalogenated benzene derivative with bromine and fluorine substituents at para positions. It is a key building block for liquid crystal materials and pharmaceutical intermediates. As a halogenated derivative of a hydrocarbon, it is classified under this tariff item.

2-Chlorotoluene

2-Chlorotoluene (ortho-chlorotoluene) is a halogenated methylbenzene derivative with a chlorine atom at the ortho position relative to the methyl group. It is used in the manufacturing of pesticides, dyes, and pharmaceuticals. As a halogenated derivative of a hydrocarbon, it is classified under this tariff item.

4-Bromofluorobenzene

4-Bromofluorobenzene is a benzene derivative with bromine and fluorine atoms substituted on the ring, specifically at the para position. It is a separate chemically defined organic compound of Chapter 29, used as a synthetic building block for liquid crystals and other specialty chemicals. Under tariff item 2903.89.00, it is classified as an 'other' halogenated derivative of cyclanic, cyclenic, or cycloterpenic hydrocarbons, as no more specific subheading applies to this mixed-halogenated compound.

Aldrin Technical Material

Aldrin Technical Material is a chlorinated cyclodiene compound used as an insecticide precursor. It is a halogenated derivative of cyclanic hydrocarbons, specifically a chlorinated cyclodiene. This product is classified under tariff item 2903.89.00 as an 'Other' halogenated derivative of cyclanic hydrocarbons.

Benzotrifluoride

Benzotrifluoride (trifluoromethylbenzene) is a fluorinated aromatic hydrocarbon with three fluorine atoms attached to a methyl group on a benzene ring. It is used as a solvent and synthetic intermediate for pharmaceuticals and agrochemicals. As a halogenated derivative of a hydrocarbon, it is classified under this tariff item.

Benzylidene Chloride Pesticide Grade

Benzylidene chloride (dichloromethylbenzene) is a halogenated derivative of toluene, produced by chlorination of the methyl side chain. While it is derived from an aromatic hydrocarbon, its classification here reflects its status as a halogenated derivative of a cyclanic hydrocarbon under Canadian tariff rules. It is used as an intermediate in pesticide manufacturing and chemical synthesis.

Bromobenzene

Bromobenzene is a monobrominated aromatic hydrocarbon produced by the bromination of benzene. It is commonly used in organic synthesis for pharmaceuticals, flame retardants, and Grignard reactions. As a halogenated derivative of a hydrocarbon, it is classified under this tariff item.

Bromochlorobenzene

Bromochlorobenzene is a benzene derivative containing both bromine and chlorine atoms on the aromatic ring. It is a separate chemically defined organic compound of Chapter 29, used in electronics and pharmaceutical applications. Under tariff item 2903.89.00, it is classified as an 'other' halogenated derivative of cyclanic, cyclenic, or cycloterpenic hydrocarbons, as the heading covers compound halogenated derivatives not more specifically named.

Chlordane Technical 70%

Chlordane is a chlorinated cyclodiene insecticide synthesized through the Diels-Alder reaction of hexachlorocyclopentadiene with cyclopentadiene, followed by chlorination. Its structure contains a cyclodiene ring system with multiple chlorine substituents, classifying it as a halogenated cyclanic hydrocarbon. This technical-grade product (70% purity) is used in agricultural pest control.

Chlordane Technical Grade

Chlordane Technical Grade is a chlorinated cyclodiene insecticide derived from cyclanic hydrocarbons. It is a halogenated derivative of cyclanic hydrocarbons with multiple chlorine atoms. This product is classified under tariff item 2903.89.00 as an 'Other' halogenated derivative of cyclanic hydrocarbons.

Chlorinated Bornane Derivatives

Chlorinated Bornane Derivatives are bicyclic monoterpenoid compounds with chlorine substitution, used in synthetic chemistry. They are halogenated derivatives of cycloterpenic hydrocarbons. This product is classified under tariff item 2903.89.00 as an 'Other' halogenated derivative of cyclanic, cyclenic or cycloterpenic hydrocarbons.

Chlorinated Camphene (Toxaphene)

Chlorinated Camphene (Toxaphene) is a mixture of chlorinated camphene compounds with 67-69% chlorine content, derived from bicyclic cycloterpenic hydrocarbons. It is a halogenated derivative of cycloterpenic hydrocarbons. This product is classified under tariff item 2903.89.00 as an 'Other' halogenated derivative of cyclanic, cyclenic or cycloterpenic hydrocarbons.

Chlorobenzene

Chlorobenzene is a halogenated aromatic hydrocarbon produced by chlorinating benzene, with a single chlorine atom attached to the ring. It is a separate chemically defined organic compound of Chapter 29, used primarily as an intermediate in the synthesis of pesticides, dyes, and other industrial chemicals. Its classification under tariff item 2903.89.00 reflects its status as a halogenated derivative of cyclanic, cyclenic, or cycloterpenic hydrocarbons, as the heading covers other halogenated derivatives not more specifically named.

Chlorobenzilate Technical

Chlorobenzilate is a chlorinated acaricide derived from benzilic acid, featuring a cyclanic structure with chlorine substituents. It is used specifically for mite control on citrus and cotton crops. As a halogenated cyclanic hydrocarbon compound, it falls under this tariff item for pesticide-grade chemicals.

Chlorocyclohexane (Aromatic-Derived)

Chlorocyclohexane, derived from aromatic precursors through hydrogenation and dehalogenation processes, is a halogenated cyclanic hydrocarbon. It is a separate chemically defined organic compound of Chapter 29, used as an intermediate in chemical synthesis. Under tariff item 2903.89.00, it is classified as an 'other' halogenated derivative of cyclanic, cyclenic, or cycloterpenic hydrocarbons, as the heading covers halogenated derivatives of cyclic hydrocarbons not elsewhere specified.

Chlorodiphenyl (PCBs)

Chlorodiphenyl, commonly known as polychlorinated biphenyls (PCBs), are halogenated aromatic hydrocarbons derived from benzene through chlorination. They are separate chemically defined organic compounds of Chapter 29, though their use is heavily restricted due to environmental concerns. Under tariff item 2903.89.00, they are classified as 'other' halogenated derivatives of cyclanic, cyclenic, or cycloterpenic hydrocarbons, as no more specific subheading applies.

Chlorothalonil Technical 98%

Chlorothalonil is a polychlorinated aromatic compound produced by the chlorination of isophthalonitrile, with four chlorine atoms on a benzene ring. Despite its aromatic origin, it is classified here as a halogenated derivative under the cyclanic grouping of this tariff item. This broad-spectrum fungicide is used on vegetables, fruits, and turf.

DBEDBC-95 Flame Retardant Crystals

DBEDBC-95 is a commercial formulation of dibromoethyldibromocyclohexane, a halogenated derivative of cyclanic hydrocarbons. It is a chemically defined organic compound with a 95% active ingredient content, used primarily as a flame retardant in polyurethane foams and epoxy resins. This product falls under tariff item 2903.89.00 as an 'Other' halogenated derivative of cyclanic hydrocarbons.

Dibromoethyldibromocyclohexane (DBEDBC)

Dibromoethyldibromocyclohexane (DBEDBC) is a halogenated derivative of cyclanic hydrocarbons, specifically a brominated cyclohexane compound. It is a white crystalline solid used as a flame retardant additive in various polymer applications. This chemically defined compound meets the criteria of Chapter 29 Note 1(a) and is classified under tariff item 2903.89.00 as an 'Other' halogenated derivative.

Dieldrin Pure Compound

Dieldrin Pure Compound is an epoxidized chlorinated derivative of cyclanic hydrocarbons, historically used as a persistent insecticide. It is a halogenated derivative of cyclanic hydrocarbons. This product is classified under tariff item 2903.89.00 as an 'Other' halogenated derivative of cyclanic hydrocarbons.

Diiodobenzene

Diiodobenzene isomers (1,2-, 1,3-, 1,4-) are produced by iodination of benzene, with two iodine atoms on the aromatic ring. They are separate chemically defined organic compounds of Chapter 29, used in agrochemical synthesis and other fine chemical applications. Under tariff item 2903.89.00, they are classified as 'other' halogenated derivatives of cyclanic, cyclenic, or cycloterpenic hydrocarbons, as no more specific subheading applies.

Endosulfan Isomer Mixture

Endosulfan Isomer Mixture consists of alpha and beta isomers of a chlorinated derivative of cyclanic hydrocarbons, used as an insecticide. It is a halogenated derivative of cyclanic hydrocarbons. This product is classified under tariff item 2903.89.00 as an 'Other' halogenated derivative of cyclanic hydrocarbons.

Fluorobenzene

Fluorobenzene is the simplest fluorinated aromatic hydrocarbon, consisting of a benzene ring with one fluorine atom substituted. It is a separate chemically defined organic compound of Chapter 29, used as a building block in agrochemical and pharmaceutical synthesis. Under tariff item 2903.89.00, it is classified as an 'other' halogenated derivative of cyclanic, cyclenic, or cycloterpenic hydrocarbons, as the heading covers halogenated derivatives not elsewhere specified.

Heptachlor Pure Isomer

Heptachlor Pure Isomer is a chlorinated cyclodiene compound with seven chlorine atoms, used as a precursor to heptachlor epoxide. It is a halogenated derivative of cyclanic hydrocarbons. This product is classified under tariff item 2903.89.00 as an 'Other' halogenated derivative of cyclanic hydrocarbons.

Hexabromobenzene

Hexabromobenzene is a benzene derivative with all six hydrogen atoms replaced by bromine atoms. It is a separate chemically defined organic compound of Chapter 29, used as a flame retardant precursor and analytical standard. Under tariff item 2903.89.00, it is classified as an 'other' halogenated derivative of cyclanic, cyclenic, or cycloterpenic hydrocarbons, as the heading covers perhalogenated aromatic derivatives not elsewhere specified.

Hexachlorocyclohexane (HCH) Beta Isomer

Beta-HCH (beta-hexachlorocyclohexane) is a stereoisomer of hexachlorocyclohexane, a chlorinated cyclanic hydrocarbon produced by the chlorination of benzene followed by hydrogenation. It is a persistent byproduct of lindane production and is classified as a halogenated cyclanic derivative. This organochlorine compound is subject to international environmental controls.

Iodobenzene

Iodobenzene is a monoiodinated benzene derivative, with a single iodine atom attached to the aromatic ring. It is a separate chemically defined organic compound of Chapter 29, commonly used in organic coupling reactions and fine chemical production. Under tariff item 2903.89.00, it is classified as an 'other' halogenated derivative of cyclanic, cyclenic, or cycloterpenic hydrocarbons, as no more specific subheading applies.

Lindane Technical Grade

Lindane is the gamma isomer of hexachlorocyclohexane, a chlorinated cyclanic hydrocarbon produced by the chlorination of benzene. It is a technical-grade insecticide used for seed treatment and agricultural pest control. As a halogenated derivative of a cyclanic hydrocarbon, it is classified under this tariff item.

Mirex Technical Grade

Mirex is a chlorinated hydrocarbon insecticide with a cage-like cyclodiene structure, produced through the dimerization of cyclopentadiene followed by exhaustive chlorination. Its fully chlorinated cyclodiene framework classifies it as a halogenated cyclanic hydrocarbon. This product is used for fire ant control and was historically used as a flame retardant.

o-Dichlorobenzene

o-Dichlorobenzene, or 1,2-dichlorobenzene, is a dihalogenated benzene derivative with two chlorine atoms at adjacent positions. It is a separate chemically defined organic compound of Chapter 29, used as a solvent in chemical processes and in pesticide manufacturing. Under tariff item 2903.89.00, it is classified as an 'other' halogenated derivative of cyclanic, cyclenic, or cycloterpenic hydrocarbons, as the subheading for dichlorobenzene isomers is not applicable to this specific isomer.

p-Dichlorobenzene

p-Dichlorobenzene, or 1,4-dichlorobenzene, is a benzene derivative with two chlorine atoms at opposite positions on the ring. It is a separate chemically defined organic compound of Chapter 29, primarily used in mothballs and as a deodorizer in consumer products. Under tariff item 2903.89.00, it is classified as an 'other' halogenated derivative of cyclanic, cyclenic, or cycloterpenic hydrocarbons, as the specific subheading for dichlorobenzene isomers is not applicable to this isomer.

Pentachlorobenzene

Pentachlorobenzene is a benzene derivative with five chlorine atoms substituted on the aromatic ring. It is a separate chemically defined organic compound of Chapter 29, used in specialty chemical synthesis. Under tariff item 2903.89.00, it is classified as an 'other' halogenated derivative of cyclanic, cyclenic, or cycloterpenic hydrocarbons, as no more specific subheading applies.

Pentachlorophenol Sodium Salt Pesticide

Pentachlorophenol sodium salt is the sodium salt of pentachlorophenol, a chlorinated aromatic compound derived from benzene. As an inorganic salt of an organic compound, it is classified with the corresponding organic compound under Chapter 29 Note 5(C). This product is used as a wood preservative and herbicide.

Quintozene (PCNB) Technical

Quintozene (pentachloronitrobenzene) is a chlorinated aromatic compound with five chlorine atoms and one nitro group on a benzene ring. It is used as a soil fungicide and seed treatment for agricultural applications. Despite its aromatic structure, it is classified here as a halogenated derivative under this tariff item.

Research Grade Dibromoethyldibromocyclohexane

Research Grade Dibromoethyldibromocyclohexane is a high-purity (>99%) chemically defined organic compound used for laboratory synthesis and chemical research. It is a halogenated derivative of cyclanic hydrocarbons, meeting the criteria of Chapter 29 Note 1(a). This product is classified under tariff item 2903.89.00 as an 'Other' halogenated derivative of cyclanic hydrocarbons.

Technical Grade DBEDBC Flame Retardant

Technical Grade DBEDBC Flame Retardant is a brominated cyclanic hydrocarbon compound with 95-98% purity, imported for industrial flame retardant applications. It is a halogenated derivative of cyclanic hydrocarbons, specifically dibromoethyldibromocyclohexane. This product is classified under tariff item 2903.89.00 as an 'Other' halogenated derivative of cyclanic hydrocarbons.