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Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds. > Imines and their derivatives; salts thereof: > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2925.29
1,3-Di-o-tolylguanidine
1,3-Di-o-tolylguanidine is an aromatic guanidine derivative used as a rubber accelerator and curing agent in industrial applications. It is classified under tariff item 2925.29.00 as an 'Other' imine-function compound, specifically a guanidine derivative.
2925.29.002-(Benzylideneamino)phenol
2-(Benzylideneamino)phenol is an aromatic imine derivative of o-aminophenol used in chelating agent synthesis and as an analytical reagent. It is a separate chemically defined organic compound, classified under tariff item 2925.29.00.
2925.29.003-Dimethylaminomethyleneiminophenol Hydrochloride
3-Dimethylaminomethyleneiminophenol hydrochloride is a hydrochloride salt of an aromatic imine derivative used in organic synthesis and as an intermediate for dyes and pharmaceuticals. It falls under tariff item 2925.29.00 as an 'Other' imine derivative.
2925.29.004,4'-Methylenebis(N,N-dimethylaniline) Iminium Salt
4,4'-Methylenebis(N,N-dimethylaniline) Iminium Salt is an aromatic iminium salt used as an intermediate in dye manufacturing and photographic chemicals. It is a separate chemically defined organic compound, classified under tariff item 2925.29.00.
2925.29.004-Nitrobenzylideneaniline
4-Nitrobenzylideneaniline is a nitro-substituted Schiff base imine with an electron-withdrawing group, classified under tariff item 2925.29.00 as an imine derivative. It is used in explosive detection and organic electronics, and is not excluded by Chapter 29 notes on halogenated derivatives.
2925.29.0099% Pure Tetramethylguanidine
99% Pure Tetramethylguanidine is a high-purity organic base used in pharmaceutical intermediate synthesis. It is a separate chemically defined imine derivative, classified under tariff item 2925.29.00.
2925.29.00Aprindine Hydrochloride API
Aprindine hydrochloride API is an aromatic imine antiarrhythmic drug used for ventricular arrhythmias. As a hydrochloride salt of an imine-function compound, it falls under tariff item 2925.29.00 as an 'Other' imine derivative, designated for pharmaceutical use.
2925.29.00Benzylideneaniline
Benzylideneaniline is a classic aromatic imine (Schiff base) used in organic synthesis and as a ligand in coordination chemistry. It is a separate chemically defined organic compound, classified under tariff item 2925.29.00.
2925.29.00Bunamidine Hydrochloride
Bunamidine hydrochloride is an anthelmintic drug used in veterinary medicine to treat intestinal worms in animals. It is a salt of an imine-function compound, specifically an aromatic imine derivative, which falls under tariff item 2925.29.00 as an 'Other' imine compound.
2925.29.00Bunamidine Hydrochloride BP Veterinary Grade
Bunamidine hydrochloride BP veterinary grade is a high-purity form of the anthelmintic drug, conforming to British Pharmacopoeia standards. As a salt of an imine-function compound, it is classified under tariff item 2925.29.00 as an 'Other' imine derivative.
2925.29.00Bunamidine Hydrochloride Powder 98% Pure
Bunamidine hydrochloride powder at 98% purity is a chemically defined salt of an imine-function compound, used as a veterinary deworming agent. It falls under tariff item 2925.29.00 as an 'Other' imine derivative, with impurities within acceptable limits per Chapter 29 notes.
2925.29.00Cinnamaldimine
Cinnamaldimine, derived from cinnamaldehyde and ammonia, is an aliphatic-aromatic imine compound classified under tariff item 2925.29.00. It is used in flavor chemistry and resin synthesis, and is a chemically defined compound per Chapter 29 note 1(a).
2925.29.00Dapiprazole API
Dapiprazole API is a bulk active pharmaceutical ingredient used in ophthalmic solutions to reverse mydriasis (pupil dilation). It is a separate chemically defined organic compound with an aromatic imine function, falling under tariff item 2925.29.00 for imines and their derivatives.
2925.29.00Diphenylguanidine (DPG) Rubber Accelerator DPG
Diphenylguanidine (DPG) rubber accelerator is commercial-grade N,N'-diphenylguanidine, a guanidine derivative used in rubber vulcanization. It is classified under tariff item 2925.29.00 as an 'Other' imine-function compound, with purity typically 95-99% and stabilizers permitted per Chapter 29 notes.
2925.29.00Famotidine API
Famotidine API is a bulk active pharmaceutical ingredient used as a histamine H2-receptor antagonist for treating acid reflux and ulcers. It is a separate chemically defined organic compound with both carboxyimide and imine functions, classified under tariff item 2925.29.00.
2925.29.00Fluorenylideneaniline
Fluorenylideneaniline is a sterically hindered aromatic imine used in organocatalyst development. It is a separate chemically defined organic compound, classified under tariff item 2925.29.00.
2925.29.00Furfural Aniline
Furfural aniline is a heterocyclic imine formed from furfuraldehyde and aniline, classified under tariff item 2925.29.00 as an imine derivative. It is used in polymer chemistry and corrosion inhibition, and is a chemically defined compound.
2925.29.00Glipizide Active Pharmaceutical Ingredient
Glipizide is a bulk active pharmaceutical ingredient used in oral antidiabetic medications for managing type 2 diabetes. It is a separate chemically defined organic compound with an aromatic imine function, classified under tariff item 2925.29.00.
2925.29.00Industrial Grade Tetramethylguanidine
Industrial Grade Tetramethylguanidine (95-98% purity) is used as a catalyst in polymerization reactions. It is a separate chemically defined organic imine, classified under tariff item 2925.29.00.
2925.29.00N'-(4-Chloro-o-tolyl)-N,N-dimethylformamidine
N'-(4-Chloro-o-tolyl)-N,N-dimethylformamidine is a specific aromatic imine-function compound with a formamidine structure. It is used as an intermediate in chemical synthesis and falls under tariff item 2925.29.00 as an 'Other' imine derivative.
2925.29.00N'-(4-Chloro-o-tolyl)-N,N-dimethylformamidine USP Grade
USP-grade N'-(4-Chloro-o-tolyl)-N,N-dimethylformamidine is a high-purity aromatic formamidine intermediate used in pharmaceutical synthesis. It is classified under tariff item 2925.29.00 as an 'Other' imine-function compound, meeting Chapter 29 requirements for chemically defined organic compounds.
2925.29.00N-(4-Dimethylaminobenzylidene)aniline
N-(4-Dimethylaminobenzylidene)aniline is a push-pull Schiff base imine with a dimethylamino donor and imine acceptor, classified under tariff item 2925.29.00. It is used in nonlinear optics and dye chemistry, and is a chemically defined imine derivative.
2925.29.00N-(4-Nitrophenylmethylene)aniline
N-(4-Nitrophenylmethylene)aniline is a nitro-substituted aromatic imine used as an intermediate for azo dyes and pharmaceuticals. It is a separate chemically defined organic compound, classified under tariff item 2925.29.00.
2925.29.00N-Benzylidenebenzylamine
N-Benzylidenebenzylamine is an aromatic imine used in organic synthesis and as a corrosion inhibitor intermediate. It is a separate chemically defined organic compound, classified under tariff item 2925.29.00.
2925.29.00N,N-Dimethyl-N'-[3-[[(methylamino)carbonyl]oxy]phenyl]methanimidamide Monohydrochloride
N,N-Dimethyl-N'-[3-[[(methylamino)carbonyl]oxy]phenyl]methanimidamide monohydrochloride is a complex aromatic imine hydrochloride with carbamate functionality, used as a pesticide intermediate. It falls under tariff item 2925.29.00 as an 'Other' imine derivative.
2925.29.00N,N'-Diphenylguanidine
N,N'-Diphenylguanidine is an aromatic imine-function compound specifically used as an accelerator in rubber vulcanization processes. Its guanidine structure qualifies it for tariff item 2925.29.00 as an 'Other' imine derivative.
2925.29.00N-Phenylmaleimide
N-Phenylmaleimide is an aromatic imine-function compound used primarily as a reactive monomer in polymer synthesis and pharmaceutical intermediates. It is a separate chemically defined organic compound, classified under tariff item 2925.29.00.
2925.29.00N-Salicylideneaniline
N-Salicylideneaniline is a photochromic Schiff base imine formed from salicylaldehyde and aniline, classified under tariff item 2925.29.00. It is used in molecular switches and sensors, and is a chemically defined imine derivative.
2925.29.00OTG 1,3-Di-o-Tolylguanidine Accelerator
OTG (1,3-Di-o-tolylguanidine) is a commercial designation for this guanidine compound used in low-temperature rubber curing. It offers superior solubility in synthetic rubber compounds and falls under tariff item 2925.29.00 as an 'Other' imine derivative.
2925.29.00p-Chlorobenzylideneaniline
p-Chlorobenzylideneaniline is a halogenated Schiff base imine used in pesticide synthesis, classified under tariff item 2925.29.00. Per Chapter 29 note 4, halogenated derivatives are included in the imine heading, and the product is a chemically defined compound.
2925.29.00Pentamidine (Free Base)
Pentamidine free base is an aromatic diamidine compound used as an antiparasitic drug for treating Pneumocystis pneumonia. As a separate chemically defined imine-function compound, it falls under tariff item 2925.29.00 as an 'Other' imine derivative.
2925.29.00Pentamidine Isethionate Equivalent Base
Pentamidine isethionate equivalent base is the free base form of pentamidine, an aromatic imine-function compound used as an antiprotozoal drug. It is classified under tariff item 2925.29.00 as an 'Other' imine derivative, meeting Chapter 29 criteria for pure organic compounds.
2925.29.00Pentamidine Tech Grade 95%
Pentamidine technical grade at 95% purity is a bulk form of the aromatic imine-function compound used for further purification into pharmaceutical APIs. It falls under tariff item 2925.29.00 as an 'Other' imine derivative, with impurities within acceptable limits per Chapter 29.
2925.29.00Pharma-Grade Tetramethylguanidine Base
Pharmaceutical-grade tetramethylguanidine base meeting USP standards, a chemically defined imine-function compound used as a drug synthesis intermediate. It is classified under tariff item 2925.29.00 as an imine derivative, and is not excluded by Chapter 29 notes as an immunological product.
2925.29.00Phenylbutazone API
Phenylbutazone API is a bulk active pharmaceutical ingredient used as a non-steroidal anti-inflammatory drug for veterinary and human pain relief. It is a separate chemically defined organic compound with an aromatic imine function, classified under tariff item 2925.29.00.
2925.29.00p-Methoxybenzylideneaniline
p-Methoxybenzylideneaniline is an aromatic imine used as a photochromic compound intermediate and liquid crystal precursor. It is a separate chemically defined organic compound, classified under tariff item 2925.29.00.
2925.29.00Salicylidene-2-aminophenol
Salicylidene-2-aminophenol is a bis-imine chelating ligand for metal complexes, classified under tariff item 2925.29.00 as an imine derivative. It is used in catalysis and coordination chemistry, and is a chemically defined compound.
2925.29.00Sulfadiazine API
Sulfadiazine API is a bulk active pharmaceutical ingredient used as a sulfonamide antibiotic for treating toxoplasmosis and bacterial infections. It is a separate chemically defined organic compound with an aromatic imine function, classified under tariff item 2925.29.00.
2925.29.00Tetramethylguanidine (TMG)
Tetramethylguanidine (TMG) is a strong organic base with a guanidine structure and four methyl groups, classified as a chemically defined imine-function compound under tariff item 2925.29.00. It is used as a catalyst and reagent in organic synthesis, and is not excluded by Chapter 29 notes.
2925.29.00Tetramethylguanidine with Stabilizer
Tetramethylguanidine stabilized with BHT (butylated hydroxytoluene) as a preservative for transport, remaining a chemically defined imine compound under tariff item 2925.29.00. The stabilizer is permitted by Chapter 29 note 1(f) as necessary for preservation, and the product is used in fine chemical manufacturing.