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Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds. > Imides and their derivatives; salts thereof: > Other > Other
Duty Rate (from China)
Products classified under Tariff item 2925.1
FCC Grade Saccharin Sodium Dihydrate
FCC Grade Saccharin Sodium Dihydrate is a hydrated salt form of saccharin, a synthetic sweetener approximately 300-400 times sweeter than sugar. It is a separate chemically defined organic compound, specifically a salt of saccharin, and is intended for direct food use. This product falls under tariff item 2925.11.00 as a saccharin salt, consistent with Chapter 29's coverage of chemically defined organic compounds.
2925.11.00Granulated Saccharin Sodium
Granulated Saccharin Sodium is a free-flowing granular form of saccharin sodium, often with a minimal binder to prevent caking. It remains a salt of saccharin, a chemically defined organic compound, and is used in tabletop sweeteners and bulk food processing. The added binder, if minimal and for preservation or transport, does not remove it from Chapter 29 coverage under tariff item 2925.11.00.
2925.11.00Insoluble Saccharin Powder
Insoluble Saccharin Powder is the acid form of saccharin, a chemically defined organic compound with limited water solubility. It is used in industrial blending for tabletop sweeteners and cosmetics. As the base compound of saccharin, it is classified under tariff item 2925.11.00, which covers saccharin and its salts.
2925.11.00Micronized Saccharin Sodium
Micronized Saccharin Sodium is saccharin sodium processed to a very fine particle size, typically under 10 microns, to improve dissolution in beverages and pharmaceutical liquids. The micronization is a physical process that does not alter the chemical identity of the saccharin salt. It remains a chemically defined organic compound classifiable under tariff item 2925.11.00.
2925.11.00Pharma Saccharin Calcium Salt
Pharma Saccharin Calcium Salt is a calcium salt form of saccharin, used in select pharmaceutical applications for its unique solubility properties. As a salt of saccharin, it is a chemically defined organic compound. It falls under tariff item 2925.11.00, which explicitly covers saccharin and its salts.
2925.11.00Saccharin for Tobacco Flavoring
Saccharin for Tobacco Flavoring is high-purity saccharin used to mask bitterness and enhance flavor in tobacco products. It is a chemically defined organic compound, specifically saccharin, and is supplied for industrial use. This product is classifiable under tariff item 2925.11.00 as saccharin, provided it is not mixed with other substances.
2925.11.00Saccharin Sodium Salt
Saccharin Sodium Salt is the sodium salt form of saccharin, a zero-calorie artificial sweetener with the chemical formula C7H4NNaO3S. It is a separate chemically defined organic compound and a salt of saccharin. This product is explicitly covered by tariff item 2925.11.00, which includes saccharin and its salts.
2925.11.00Sweet'N Low Bulk Saccharin Blend Base
Sweet'N Low Bulk Saccharin Blend Base is primarily saccharin sodium used as a base for pink packet sweeteners, meeting food safety standards. When imported pure, before blending with dextrose or other carriers, it is a saccharin salt. This product falls under tariff item 2925.11.00 as a saccharin salt, provided it is not yet a retail preparation.
2925.11.00Technical Grade Saccharin
Technical Grade Saccharin is a lower-purity saccharin, typically 95-98%, used for industrial applications such as electroplating baths and non-food sweeteners. Despite the lower purity, it is still a chemically defined organic compound, as Chapter 29 allows for impurities. It is classifiable under tariff item 2925.11.00 as saccharin.
2925.11.00USP Grade Saccharin
USP Grade Saccharin is a pharmaceutical-grade insoluble saccharin meeting USP standards for purity, used in tablets, syrups, and oral medications as a non-nutritive sweetener. It is a chemically defined organic compound, specifically the acid form of saccharin. This product is classifiable under tariff item 2925.11.00 as saccharin.
2925.12.00Analytical Glutethimide Standard
Analytical glutethimide standard is a certified reference material of the pure imide compound glutethimide (INN), supplied in precise milligram quantities for HPLC calibration and laboratory analytics. It is a separate chemically defined organic compound, which Chapter 29 Note 1(a) includes in the Chapter, and it is not excluded by any Chapter 29 Note 2 exclusion. As the only tariff item under subheading 2925.12, it is correctly classified here.
2925.12.00Glutethimide Bulk API
Glutethimide bulk API is a pure active pharmaceutical ingredient consisting of the chemically defined imide compound glutethimide (INN), used as an intermediate in downstream drug manufacturing. It meets Chapter 29 Note 1(a) as a separate chemically defined organic compound and is not excluded by Chapter 29 Note 2. Since tariff item 2925.12.00 is the sole item under subheading 2925.12, this bulk API is classified here.
2925.12.00Glutethimide EP Grade
Glutethimide EP Grade is a European Pharmacopoeia compliant form of the pure imide compound glutethimide (INN), used as a pharmaceutical reference standard in analytical testing and quality control. As a separate chemically defined organic compound, it falls under Chapter 29 Note 1(a), and no exclusion in Chapter 29 Note 2 applies. It is correctly classified under tariff item 2925.12.00, the only item in subheading 2925.12.
2925.12.00Glutethimide for Forensic Analysis
Glutethimide for forensic analysis is a specialty standard of the pure imide compound glutethimide (INN), supplied with traceability for toxicology detection methods. It is a separate chemically defined organic compound under Chapter 29 Note 1(a) and is not excluded by Chapter 29 Note 2. As the sole tariff item under subheading 2925.12, this product is classified here.
2925.12.00Glutethimide Research Chemical
Glutethimide research chemical is a high-purity form of the chemically defined imide compound glutethimide (INN), supplied for scientific research and neurological studies. It meets Chapter 29 Note 1(a) as a separate chemically defined organic compound and is not excluded by Chapter 29 Note 2. Since tariff item 2925.12.00 is the only item under subheading 2925.12, this research chemical is classified here.
2925.12.00Glutethimide Sodium Salt
Glutethimide sodium salt is a salt derivative of the imide compound glutethimide (INN), classified with the imide base under Chapter 29 Note 5(C)(1), which directs inorganic salts of organic compounds to the heading appropriate to the organic compound. As a salt of glutethimide, it falls under tariff item 2925.12.00, the sole item in subheading 2925.12. It is a chemically defined compound for research applications.
2925.12.00Glutethimide USP Powder
Glutethimide USP powder is a pharmaceutical-grade form of the pure imide compound glutethimide (INN) meeting USP standards, used primarily in laboratory and research settings. It is a separate chemically defined organic compound under Chapter 29 Note 1(a) and is not excluded by Chapter 29 Note 2. As the only tariff item under subheading 2925.12, this product is classified here.
2925.12.00Glutethimide with Stabilizer
Glutethimide with stabilizer is glutethimide powder with an added anticaking agent necessary for preservation or transport, which Chapter 29 Note 1(f) explicitly includes in the Chapter. The stabilizer does not render the product particularly suitable for a specific use, so it remains a chemically defined imide compound. It is classified under tariff item 2925.12.00, the sole item in subheading 2925.12.
2925.19.001,8-Naphthalimide
1,8-Naphthalimide is a fused-ring aromatic imide used in fluorescent dyes and optical brighteners. Its polycyclic aromatic structure qualifies as an imide-function compound under heading 2925. It is classified under tariff item 2925.19.00 as an imide not otherwise specified, as it is not saccharin or a specifically named imide.
2925.19.002,2',6,6'-Tetraisopropyldiphenylcarbodiimide (TIPC)
2,2',6,6'-Tetraisopropyldiphenylcarbodiimide (TIPC) is a sterically hindered aromatic carbodiimide used as a coupling agent in peptide synthesis and polymer chemistry. Although named as a carbodiimide, it is an imine-function compound under heading 2925, as carbodiimides contain the imine functional group. It is classified under tariff item 2925.19.00 as an imine-function compound not otherwise specified.
2925.19.004-Nitrophthalimide
4-Nitrophthalimide is a nitro-substituted aromatic imide used in dye synthesis and as a pharmaceutical intermediate. The nitro group is permitted per Chapter 29 notes, and the compound remains a chemically defined imide. It is classified under tariff item 2925.19.00 as an imide not otherwise specified.
2925.19.004-Nitro phthalimide
4-Nitro phthalimide contains a nitro group on the benzene ring of the imide structure. Per Chapter 29 Note 4, nitro groups are not considered nitrogen functions for heading 29.29, so this compound remains classified under tariff item 2925.19.00 as an imide derivative.
2925.19.0099% Pure N-Chlorosuccinimide Powder
99% Pure N-Chlorosuccinimide Powder is a high-purity chemically defined cyclic imide used for laboratory and industrial synthesis. Despite minor impurities, it remains a separate chemically defined compound under Chapter 29 Note 1(a), qualifying for tariff item 2925.19.00.
2925.19.00Benzamide Imide Derivative
Benzamide Imide Derivative is a specialty aromatic imide from benzamide cyclization used in high-performance polymers. As a carboxyimide-function compound, it meets Chapter 29 requirements for chemically defined imides. It is classified under tariff item 2925.19.00 as an imide not otherwise specified.
2925.19.00Benzylisatin
Benzylisatin is an indole derivative containing an imide functionality, used in the synthesis of pharmaceuticals and dyes. The dominant imide function places it under tariff item 2925.19.00 as an imide derivative other than saccharin.
2925.19.00Bis(o-tolyl)carbodiimide
Bis(o-tolyl)carbodiimide is a specific aromatic imine-function compound used primarily as a dehydrating agent and coupling reagent in organic synthesis, particularly for peptide bond formation. As a carbodiimide, it contains the imine functional group and is classified under tariff item 2925.19.00. The compound is chemically defined and meets Chapter 29 requirements.
2925.19.00Bis(o-tolyl)carbodiimide 98% Pure Technical Grade
Bis(o-tolyl)carbodiimide 98% Pure Technical Grade is supplied for industrial organic synthesis applications like amide coupling. As a carbodiimide, it is an imine-function compound classified under tariff item 2925.19.00. The 98% purity ensures it meets the definition of a chemically defined compound under Chapter 29.
2925.19.00Bis(o-tolyl)carbodiimide with Stabilizer Additive
Bis(o-tolyl)carbodiimide with Stabilizer Additive includes a stabilizer for transport stability, as permitted by Chapter 29 note (f). The addition is solely for preservation and does not render the product particularly suitable for specific use. It remains classified as bis(o-tolyl)carbodiimide under tariff item 2925.19.00 as an imine-function compound.
2925.19.00BT-93W Wet-Cake Ethylenebistetrabromophthalimide
BT-93W Wet-Cake Ethylenebistetrabromophthalimide is a wet-cake form of ethylenebistetrabromophthalimide, a brominated aromatic imide compound used as a flame retardant additive. The minimal water content facilitates handling in flame retardant production while maintaining the chemically defined imide structure. It falls under tariff item 2925.19.00 as an imide-function compound, specifically an aromatic imide not otherwise specified.
2925.19.00Cyclohexylisatin
Cyclohexylisatin is an N-cyclohexyl substituted isatin derivative with imide functionality, used in medicinal chemistry research. As a substituted imide not specifically excluded, it qualifies for tariff item 2925.19.00.
2925.19.00Diphenylmaleimide
Diphenylmaleimide features two phenyl groups on the imide nitrogen, used in specialty resins and electronics. As a substituted cyclic imide derivative, it classifies under tariff item 2925.19.00 as an imide other than saccharin.
2925.19.00Ethylenebistetrabromophthalimide Flame Retardant Powder
Ethylenebistetrabromophthalimide (EBTBPI) is a brominated aromatic imide compound used primarily as a high-performance flame retardant additive in plastics and polymers. As a chemically defined imide-function compound, it is classified under tariff item 2925.19.00, which covers imides and their derivatives not otherwise specified. Its aromatic structure and bromine substitutions do not alter its classification as an imide.
2925.19.00Flame Guard EBTBPI Additive
Flame Guard EBTBPI Additive is industrial-grade ethylenebistetrabromophthalimide used in flame-retardant formulations for wire insulation and electronic enclosures. As a brominated aromatic imide, it qualifies as an imide-function compound under tariff item 2925.19.00. The product is chemically defined and falls within the scope of Chapter 29.
2925.19.00Glutarimide
Glutarimide is a six-membered ring imide used in pharmaceutical intermediates and as a hypnotic drug precursor. Although often described as cyclic, it is not aromatic, but it is still an imide-function compound under heading 2925. It is classified under tariff item 2925.19.00 as an imide not otherwise specified.
2925.19.00Maleimide
Maleimide is an α,β-unsaturated imide used in polymer chemistry and pharmaceutical conjugation reactions. Its unsaturated imide function is clearly within heading 2925, and it is classified under tariff item 2925.19.00 as an imide not otherwise specified. The compound is chemically defined and meets Chapter 29 requirements.
2925.19.00N-Bromosuccinimide (NBS)
N-Bromosuccinimide (NBS) is a chemically defined cyclic imide used as a brominating and oxidizing reagent in organic synthesis. Its carboxyimide-function structure places it under tariff item 2925.19.00 as an imide derivative other than saccharin.
2925.19.00N-Chlorosuccinimide (NCS)
N-Chlorosuccinimide (NCS) is a chemically defined cyclic imide derivative used as a chlorinating and oxidizing agent in organic synthesis. Its imide structure places it under tariff item 2925.19.00 as an imide other than saccharin.
2925.19.00N-Chlorosuccinimide with Stabilizer Additive
N-Chlorosuccinimide with Stabilizer Additive is the principal imide compound formulated with a minimal anti-caking agent for safe transport and storage. This complies with Chapter 29 Note 1(f), allowing classification under tariff item 2925.19.00.
2925.19.00N-Hydroxysuccinimide (NHS)
N-Hydroxysuccinimide (NHS) is an activated ester/imide used in peptide synthesis and bioconjugation chemistry. Despite the hydroxy substitution, the imide ring structure qualifies it for tariff item 2925.19.00 as an imide derivative.
2925.19.00N,N'-Ethylenebis(5,6-Dibromonorbornanedicarboximide)
N,N'-Ethylenebis(5,6-Dibromonorbornanedicarboximide) is a bis-imide compound with two dibromo-norbornane dicarboximide units linked by an ethylene bridge. Used as a brominating agent and flame retardant intermediate, it qualifies for tariff item 2925.19.00 as an imide derivative.
2925.19.00N-Phenylmaleimide
N-Phenylmaleimide is an organic compound featuring a maleimide ring with a phenyl group attached to the nitrogen atom, used as a monomer or crosslinking agent in high-performance polymer synthesis. As a substituted imide derivative, it falls under the 'Other' tariff item for imides and their derivatives, which covers compounds not more specifically described elsewhere in the chapter.
2925.19.00N-Phthalyl-L-Glutamic Anhydride
N-Phthalyl-L-Glutamic Anhydride is an aromatic imide derivative used as an intermediate in peptide synthesis and pharmaceutical production. Its carboxyimide-function structure qualifies it for tariff item 2925.19.00 as an imide other than saccharin.
2925.19.00Phtalazinone
Phthalazinone is a heterocyclic aromatic compound with an imide-like structure used in pharmaceutical research and dye chemistry. Its fused ring imide structure places it under tariff item 2925.19.00 as an imide derivative other than saccharin.
2925.19.00Phthalimide
Phthalimide is an aromatic cyclic imide derived from phthalic anhydride, used as an intermediate in organic synthesis for pharmaceuticals and agrochemicals. Its carboxyimide-function structure qualifies it for tariff item 2925.19.00 as an imide other than saccharin.
2925.19.00Pure Ethylenebistetrabromophthalimide Crystals
Pure Ethylenebistetrabromophthalimide Crystals are high-purity (99.5%+) crystals supplied for synthesis of advanced flame retardants and polymer masterbatches. This aromatic imide is a chemically defined compound under Chapter 29, classified under tariff item 2925.19.00 as an imide not otherwise specified. The high purity ensures it meets the requirements for separate chemically defined organic compounds.
2925.19.00Research Grade N,N'-Ethylenebis-Dibromonorbornanedicarboximide
Research Grade N,N'-Ethylenebis-Dibromonorbornanedicarboximide is a laboratory-grade bis-imide compound for R&D in polymer flame retardants and bromination studies. It is a chemically defined imide derivative, qualifying for tariff item 2925.19.00.
2925.19.00Saytex BT-93 Ethylenebistetrabromophthalimide
Saytex BT-93 is the commercial grade of ethylenebistetrabromophthalimide, a tetrabrominated aromatic imide serving as a non-migrating flame retardant for engineering thermoplastics like nylon and polyolefins. As a chemically defined imide-function compound, it is classified under tariff item 2925.19.00. The product's aromatic structure and bromine content are consistent with imide classification.
2925.19.00Suberic acid bisimide
Suberic acid bisimide is a compound with two imide functional groups connected by an octamethylene chain, used as an intermediate in polymer and pharmaceutical synthesis. Its dual imide structure places it under the 'Other' tariff item for imides and their derivatives, as no more specific subheading applies to this type of compound.
2925.19.00Succinimide
Succinimide is a five-membered cyclic imide used in pharmaceutical synthesis and as a polymer modifier. Its cyclic imide structure qualifies it for tariff item 2925.19.00 as an imide other than saccharin.
2925.19.00TIPC 2,2',6,6'-Tetraisopropyldiphenylcarbodiimide Lab Grade
TIPC 2,2',6,6'-Tetraisopropyldiphenylcarbodiimide Lab Grade is a high-purity version of the carbodiimide for research peptide synthesis. As a carbodiimide, it is an imine-function compound classified under tariff item 2925.19.00. The lab-grade purity ensures it is a chemically defined compound under Chapter 29.