Pure chlorodifluoromethane (HCFC-22), a hydrochlorofluorocarbon used as a refrigerant in air conditioning and refrigeration systems. It is a separate chemically defined halogenated derivative of an acyclic hydrocarbon, containing both chlorine and fluorine atoms, and falls under tariff item 2903.71.00.

2903.71.00

HCFC-22 (R-22) Air Conditioner Refrigerant Cylinder

A 30 lb cylinder of chlorodifluoromethane (HCFC-22), designated R-22, used to recharge residential and commercial air conditioning units. The product is the pure compound, and the cylinder is merely packaging, so it is classified under tariff item 2903.71.00.

2903.71.00

HCFC-22 Recovery Cylinder for Recycling

Reclaimed chlorodifluoromethane (HCFC-22) in dedicated recovery cylinders for recycling in HVAC servicing. If the reclaimed product meets purity standards and is the separate chemically defined compound, it is classified under tariff item 2903.71.00, regardless of its recycled origin.

2903.71.00

Industrial Chiller HCFC-22 Refrigerant

High-purity chlorodifluoromethane (HCFC-22) in 100 lb returnable cylinders for large-scale industrial chillers. As a separate chemically defined compound with chlorine and fluorine on an acyclic hydrocarbon, it is classified under tariff item 2903.71.00.

2903.71.00

Medical Refrigerator HCFC-22 Coolant

Chlorodifluoromethane (HCFC-22) formulated for use in vaccine storage refrigerators, provided as a pure compound. Despite the specific end-use, it remains a separate chemically defined halogenated acyclic hydrocarbon and is classified under tariff item 2903.71.00.

2903.71.00

R-22 Compatible Retrofit Refrigerant Base

Pure HCFC-22 serving as base stock for authorized retrofit blends in older systems. Its chemical identity as chlorodifluoromethane places it under tariff item 2903.71.00 when imported as the pure compound, even if intended for later blending.

2903.72.00

2,2-Dichloro-1,1,1-trifluoroethane Lab Grade

2,2-Dichloro-1,1,1-trifluoroethane lab grade is a high-purity, chemically defined compound (C2HCl2F3) used as a laboratory reagent for organic synthesis and analytical standards. It is a halogenated derivative of acyclic hydrocarbons containing both chlorine and fluorine, falling under tariff item 2903.72.00 as HCFC-123. The product is not put up for retail sale or mixed with other substances, so it qualifies as a separate chemically defined organic compound under Chapter 29.

2903.72.00

Dichlorotrifluoroethane USP Grade (HCFC-123)

Dichlorotrifluoroethane USP grade (HCFC-123) is a pharmaceutical-grade, chemically defined compound used as a propellant in metered dose inhalers. It is a halogenated acyclic hydrocarbon with chlorine and fluorine atoms, meeting the description of tariff item 2903.72.00. The product is not put up in measured doses or for retail sale, so it is not excluded by Section VI Note 2.

2903.72.00

HCFC-123 (2,2-Dichloro-1,1,1-trifluoroethane)

Pure HCFC-123 (2,2-dichloro-1,1,1-trifluoroethane) is a hydrochlorofluorocarbon used as a refrigerant in low-pressure centrifugal chillers for commercial air conditioning. It is a chemically defined halogenated acyclic hydrocarbon with both chlorine and fluorine, matching tariff item 2903.72.00. The product is not excluded by Chapter 29 notes as it is not a fuel, enzyme, or other excluded good.

2903.72.00

HCFC-123 Chiller Refrigerant Cylinder

HCFC-123 chiller refrigerant cylinder contains pure dichlorotrifluoroethane in a disposable 50 lb cylinder for centrifugal chiller retrofits. The product is a separate chemically defined compound, not put up for retail sale in measured doses, and falls under tariff item 2903.72.00. The cylinder is packaging, not a factor affecting classification.

2903.72.00

R-123 Refrigerant (HCFC-123)

R-123 refrigerant (HCFC-123) is industrial-grade dichlorotrifluoroethane supplied in 100 lb cylinders for chiller systems. It is a separate chemically defined compound, not put up for retail sale, and falls under tariff item 2903.72.00. The product is a halogenated acyclic hydrocarbon with chlorine and fluorine, consistent with the tariff description.

2903.73.00

1,1-Dichloro-1-fluoroethane (R-141b)

1,1-Dichloro-1-fluoroethane (R-141b) is a separate chemically defined organic compound with the molecular formula CH3CCl2F. It is a halogenated derivative of acyclic hydrocarbons containing two different halogens (chlorine and fluorine), which places it squarely under tariff item 2903.73.00. The product is used in precision cleaning of metal parts and as a foam expansion agent.

2903.73.00

Dichlorofluoroethane HCFC-141b Cylinder

Dichlorofluoroethane HCFC-141b packaged in 100 lb recovery cylinders is the same chemical compound as in tariff item 2903.73.00. The packaging for transport does not alter its classification, as the product remains a separate chemically defined organic compound. It is used in industrial foam production and solvent recovery systems.

2903.73.00

HCFC-141b (1,1-Dichloro-1-fluoroethane)

HCFC-141b (1,1-dichloro-1-fluoroethane) is a hydrochlorofluorocarbon used as a blowing agent in polyurethane foam production and as a solvent for cleaning electronics. It is a halogenated derivative of acyclic hydrocarbons containing both chlorine and fluorine, matching the description of tariff item 2903.73.00. The product is a separate chemically defined compound, meeting the criteria of Chapter 29 Note 1(a).

2903.73.00

HCFC-141b Technical Grade 99.9% Pure

High-purity HCFC-141b (99.9%) is supplied for manufacturing insulated shipping containers and building insulation panels. As a separate chemically defined compound with the formula CH3CCl2F, it is a halogenated derivative of acyclic hydrocarbons containing two different halogens. This places it under tariff item 2903.73.00, regardless of its high purity level.

2903.73.00

HCFC-141 (Dichlorofluoroethane Blowing Agent)

Technical grade HCFC-141 serves as an industrial blowing agent for rigid polyurethane foams in insulation panels and refrigeration equipment. It is a dichlorofluoroethane isomer, matching the chemical specification of tariff item 2903.73.00. The product is a separate chemically defined compound, even in technical grade, as impurities do not affect classification under Chapter 29 Note 1(a).

2903.74.00

1-Chloro-1,1-Difluoroethane (HCFC-142b) Technical Grade

Technical grade 1-chloro-1,1-difluoroethane (HCFC-142b, CAS 75-68-3) is a high-purity chlorodifluoroethane used in industrial refrigeration and polyurethane foam production. It is a separate chemically defined organic compound of acyclic structure, falling under Chapter 29 as a halogenated derivative of hydrocarbons.

2903.74.00

Chlorodifluoroethane HCFC-142b for Foam Blowing

HCFC-142b supplied in 100 lb recovery cylinders for use as an auxiliary foam blowing agent in polystyrene and polyurethane insulation. As a pure chlorodifluoroethane, it is a chemically defined acyclic halogenated hydrocarbon, classifiable under this tariff item.

2903.74.00

DuPont Vertrel XF HCFC-142b Specialty Fluid

Vertrel XF is a high-purity HCFC-142b formulation (1-chloro-1,1-difluoroethane) used as a precision cleaning solvent in electronics manufacturing. Imported as a ≥99% pure chemical compound, it qualifies as a separate chemically defined organic compound under Chapter 29.

2903.74.00

HCFC-142b 99.99% Electronic Grade

Ultra-high purity chlorodifluoroethane (HCFC-142b) at 99.99% purity for cleaning precision electronic components and as a carrier fluid in vapor degreasing. This chemically defined acyclic halogenated hydrocarbon is classifiable under this tariff item.

2903.74.00

HCFC-142b Refrigerant Gas

HCFC-142b used primarily as a refrigerant in commercial cooling systems and as a foam blowing agent. As a chlorodifluoroethane, it is a halogenated derivative of acyclic hydrocarbons, falling under this tariff item.

2903.74.00

HCFC-142 Refrigerant Blend Component

Pure HCFC-142 (chlorodifluoroethane) supplied for blending into R-401A/R-406A refrigerant mixtures for air conditioning systems. As a chemically defined acyclic halogenated hydrocarbon, it is classifiable under this tariff item when imported in pure form.

2903.75.00

AK-225 Cleaning Solvent (HCFC-225 based)

AK-225 is a commercial-grade azeotrope containing HCFC-225ca/cb, used for vapor degreasing in aerospace parts cleaning. It falls under this tariff item as a dichloropentafluoropropane mixture, which is a halogenated derivative of acyclic hydrocarbons containing two different halogens. The product meets Chapter 29's scope as a separate chemically defined compound or mixture of isomers.

2903.75.00

HCFC-225ca (1,1-Dichloro-2,2,3,3,3-pentafluoropropane)

HCFC-225ca (1,1-Dichloro-2,2,3,3,3-pentafluoropropane) is a pure chemical compound used as a refrigerant and cleaning solvent in industrial applications. It is classified under this tariff item as a dichloropentafluoropropane, a halogenated derivative of an acyclic hydrocarbon containing chlorine and fluorine. The product is a separate chemically defined compound, meeting Chapter 29's criteria.

2903.75.00

HCFC-225ca Refrigerant Blend Component

Bulk HCFC-225ca imported as a pure component for blending into low-temperature refrigerants is a dichloropentafluoropropane. It is classified under this tariff item as a halogenated derivative of an acyclic hydrocarbon with chlorine and fluorine atoms. The product meets Chapter 29's definition of a separate chemically defined compound.

2903.75.00

HCFC-225cb (1,3-Dichloro-1,1,2,2,3-pentafluoropropane)

HCFC-225cb (1,3-Dichloro-1,1,2,2,3-pentafluoropropane) is a specialty solvent for precision cleaning in electronics manufacturing. It is classified under this tariff item as a dichloropentafluoropropane, a halogenated derivative of an acyclic hydrocarbon. The product is a separate chemically defined compound, consistent with Chapter 29's scope.

2903.75.00

Vertrel XF HCFC-225 Specialty Fluid

Vertrel XF is a high-purity HCFC-225cb-based fluid used for flushing oxygen systems in medical and aerospace equipment. It is classified under this tariff item as a dichloropentafluoropropane, meeting Chapter 29's criteria for a separate chemically defined compound or mixture of isomers. The product's primary function as a solvent does not affect its chemical classification.

2903.76.00

Bromochlorodifluoromethane (Halon-1211) Technical Grade

Bromochlorodifluoromethane (Halon-1211) technical grade is a halogenated acyclic hydrocarbon containing bromine, chlorine, and fluorine. It is a separate chemically defined compound, which qualifies under tariff item 2903.76.00 as a named Halon product.

2903.76.00

Bromotrifluoromethane (Halon-1301) 99% Purity

Bromotrifluoromethane (Halon-1301) at 99% purity is a separate chemically defined organic compound with bromine and fluorine atoms. It is specifically named under tariff item 2903.76.00 as a Halon-1301 product.

2903.76.00

Dibromotetrafluoroethane (Halon-2402) Industrial Grade

Dibromotetrafluoroethane (Halon-2402) industrial grade is a separate chemically defined halogenated acyclic hydrocarbon. It is explicitly listed under tariff item 2903.76.00 as one of the named Halon compounds.

2903.76.00

Halon-1211 Fire Extinguishing Gas Cylinder

Halon-1211 fire extinguishing gas in returnable steel cylinders is bromochlorodifluoromethane, a named compound under tariff item 2903.76.00. The cylinder is packaging, and the gas itself is a separate chemically defined compound.

2903.76.00

Halon-1301 Aviation Fire Suppressant

Halon-1301 aviation fire suppressant is bromotrifluoromethane, a separate chemically defined compound named in tariff item 2903.76.00. Its intended use for aircraft does not affect classification under Chapter 29.

2903.76.00

Halon-1301 Data Center Suppression Gas

Halon-1301 data center suppression gas is high-purity bromotrifluoromethane, a named compound under tariff item 2903.76.00. The product is a separate chemically defined compound, regardless of its application in data centers.

2903.76.00

Halon-2402 Marine Fire Protection Gas

Halon-2402 marine fire protection gas is dibromotetrafluoroethane, a separate chemically defined compound named in tariff item 2903.76.00. The marine application does not alter its classification under Chapter 29.

2903.76.00

Halon-2402 Military Specification Gas

Halon-2402 military specification gas is dibromotetrafluoroethane, a separate chemically defined compound named in tariff item 2903.76.00. The military specification does not affect its classification under Chapter 29.

2903.76.00

Halon Blend 1211/1301 Fire Extinguisher Recharge

Halon Blend 1211/1301 is a 50/50 mixture of bromochlorodifluoromethane and bromotrifluoromethane. Since it is a mixture of two named compounds in tariff item 2903.76.00, it is classified under this item as a mixture of the named products.

2903.76.00

Recycled Halon-1211 Purification Charge

Recycled Halon-1211 purification charge is reclaimed bromochlorodifluoromethane that meets purity standards. It remains a separate chemically defined compound named in tariff item 2903.76.00, even if recycled.

2903.77.00

1,1,1-Trichloro-2,2,2-trifluoroethane (CFC-113a)

1,1,1-Trichloro-2,2,2-trifluoroethane (CFC-113a) is a perhalogenated acyclic hydrocarbon containing only fluorine and chlorine atoms, fully substituted on its ethane backbone. It falls under tariff item 2903.77.00 as a halogenated derivative of acyclic hydrocarbons with two different halogens, perhalogenated only with fluorine and chlorine.

2903.77.00

1,1,1-Trifluoro-2,2-Dichloroethane

1,1,1-Trifluoro-2,2-dichloroethane (CF3CHCl2) is a synthetic intermediate used in chemical manufacturing. This compound is a perhalogenated acyclic hydrocarbon containing only fluorine and chlorine atoms, and is classified under tariff item 2903.77.00 as an 'other' halogenated derivative of acyclic hydrocarbons with two different halogens.

2903.77.00

1,1,2-Trichloro-1,2,2-trifluoroethane (CFC-113)

1,1,2-Trichloro-1,2,2-trifluoroethane (CFC-113) is a perhalogenated ethane derivative with three chlorine and three fluorine atoms, fully substituted without hydrogen. It is classified under tariff item 2903.77.00 as a halogenated derivative of acyclic hydrocarbons containing two different halogens, perhalogenated only with fluorine and chlorine.

2903.77.00

1,2-Dichloro-1,1,2,2-tetrafluoroethane (CFC-114)

1,2-Dichloro-1,1,2,2-tetrafluoroethane (CFC-114) is a perhalogenated acyclic hydrocarbon with two chlorine and four fluorine atoms, fully substituted. It falls under tariff item 2903.77.00 as a halogenated derivative of acyclic hydrocarbons with two different halogens, perhalogenated only with fluorine and chlorine.

2903.77.00

1-Chloro-1,2,2,2-Tetrafluoroethane (HCFC-124)

1-Chloro-1,2,2,2-tetrafluoroethane (HCFC-124) is a refrigerant used as a transitional replacement for older chlorofluorocarbons. Although it contains hydrogen, it is sometimes misclassified under this tariff item; however, strictly per chapter notes, only perhalogenated compounds (no hydrogen) fall under 2903.77.00, so this product would not qualify.

2903.77.00

2-Chloro-1,1,1,2-tetrafluoroethane (HCFC-124)

2-Chloro-1,1,1,2-tetrafluoroethane (HCFC-124) is an acyclic hydrocarbon derivative containing fluorine and chlorine atoms. Despite having one hydrogen atom, it is classified under this tariff item when imported as a high-purity isomer meeting the perhalogenation specifications for the fluorine/chlorine substitution pattern. This compound is used as a refrigerant and in fire suppression systems.

2903.77.00

99.9% Pure CFC-113 Trichlorotrifluoroethane

99.9% Pure CFC-113 Trichlorotrifluoroethane is a high-purity 1,1,2-trichloro-1,2,2-trifluoroethane meeting industrial solvent specifications. It is classified under tariff item 2903.77.00 as a chemically defined organic compound per Chapter 29 note (a), perhalogenated only with F and Cl.

2903.77.00

99.9% Pure CFC-11 Trichlorofluoromethane

99.9% Pure CFC-11 Trichlorofluoromethane is a high-purity form of trichlorofluoromethane, a perhalogenated acyclic hydrocarbon with only fluorine and chlorine atoms. It is classified under tariff item 2903.77.00 as a chemically defined organic compound per Chapter 29 note (a), perhalogenated only with F and Cl.

2903.77.00

CFC-113a Industrial Solvent Grade

CFC-113a Industrial Solvent Grade is a solvent-grade 1,1,1-trichloro-2,2,2-trifluoroethane with minimal impurities for degreasing applications. It is classified under tariff item 2903.77.00 as a separate chemically defined perhalogenated compound with only fluorine and chlorine.

2903.77.00

CFC-114 Blowing Agent for Polyurethane Foam

CFC-114 Blowing Agent for Polyurethane Foam is a blowing agent in rigid polyurethane foam production, fitting tariff item 2903.77.00 due to its status as a separate chemically defined perhalogenated acyclic hydrocarbon with fluorine and chlorine only.

2903.77.00

CFC-114 Calibration Gas Standard

CFC-114 Calibration Gas Standard is dichlorotetrafluoroethane in precise concentrations for gas chromatography calibration. It falls under tariff item 2903.77.00 as a chemically defined compound per Chapter 29 note (a), dissolved or mixed only as allowed in notes (d) and (e).

2903.77.00

CFC-114 Dielectric Fluid

CFC-114 Dielectric Fluid is used as an electrical insulating fluid in high-voltage equipment and is a perhalogenated acyclic hydrocarbon. It is classified under tariff item 2903.77.00 as a chemically defined halogenated derivative, not as a functional fluid.

2903.77.00

CFC-115.00.40 Specification Grade Chemical

CFC-115 specification grade chemical is monochloropentafluoroethane meeting exact specifications for analytical chemistry and calibration gas mixtures. This fully halogenated C2 hydrocarbon has the molecular formula C2F5Cl. Its acyclic structure and specific halogen content place it under this tariff item.

2903.77.00

CFC-115 High-Purity Refrigerant (99.99%)

CFC-115 high-purity refrigerant at 99.99% purity is monochloropentafluoroethane, a monochloroperfluorinated ethane derivative. Its acyclic structure and specific halogen content make it classifiable exclusively under this tariff item. This ultra-high purity product is used in specialized refrigeration applications.

2903.77.00

CFC-115 Industrial Refrigerant Cylinder (50 lb)

CFC-115 industrial refrigerant cylinder contains 50 pounds of monochloropentafluoroethane at 99.9% purity. This fully halogenated acyclic hydrocarbon has the formula CF3CHClF2 and is designed for replenishing refrigeration systems. The product is classified under this tariff item as a chemically defined compound.

2903.77.00

CFC-115 Refrigerant for Legacy Systems

CFC-115 refrigerant for legacy systems is monochloropentafluoroethane specifically packaged for servicing pre-1996 refrigeration equipment. Classified as the pure compound under this tariff item, this chlorofluorocarbon has a precise F/C ratio meeting chapter requirements. It is used to maintain older cooling systems.

2903.77.00

Chloropentafluoroethane (CFC-115)

Chloropentafluoroethane (CFC-115) is a perhalogenated ethane derivative with one chlorine and five fluorine atoms, fully substituted. It is classified under tariff item 2903.77.00 as a halogenated derivative of acyclic hydrocarbons containing two different halogens, perhalogenated only with fluorine and chlorine.

2903.77.00

Dichlorodifluoromethane (CFC-12)

Dichlorodifluoromethane (CFC-12) is a perhalogenated methane derivative with two chlorine and two fluorine atoms, fully substituted. It falls under tariff item 2903.77.00 as a halogenated derivative of acyclic hydrocarbons containing two different halogens, perhalogenated only with fluorine and chlorine.

2903.77.00

Dichlorodifluoromethane CFC-12 Lab Grade

Dichlorodifluoromethane CFC-12 lab grade is a 99.99% pure compound for analytical and research applications. This perfluorinated/perchlorinated acyclic hydrocarbon derivative is classified under this tariff item. Its high purity and specific halogen content meet Chapter 29 criteria for separate chemically defined organic compounds.

2903.77.00

Dichlorodifluoromethane (R-12 Refrigerant)

Dichlorodifluoromethane (R-12 refrigerant), also known as Freon-12, is a perhalogenated acyclic hydrocarbon containing only fluorine and chlorine halogens. Classified under this tariff item as a halogenated derivative of hydrocarbons, this product has been widely used in refrigeration systems. Its chemical structure is fully halogenated with two different halogens.

2903.77.00

Dichlorotetrafluoroethane (CFC-114) Refrigerant Gas

Dichlorotetrafluoroethane (CFC-114) is a perhalogenated acyclic hydrocarbon containing only fluorine and chlorine atoms. This chemically defined compound is used as a refrigerant gas in industrial cooling systems. Its structure with two different halogens places it under this tariff item.

2903.77.00

Freon 12 Dichlorodifluoromethane 99.9% Pure

Freon 12 dichlorodifluoromethane is a high-purity (99.9%) colorless, non-flammable gas sold under the Freon 12 trademark. Classified under this tariff item due to its perhalogenated structure with only fluorine and chlorine, this product has historically been used in refrigeration and air conditioning. Its chemical identity as a separate defined compound is confirmed.

2903.77.00

Genetic R-12 Dichlorodifluoromethane Replacement Gas

Genetron 12 brand dichlorodifluoromethane is a trademarked high-purity CFC refrigerant classified under this tariff item for its specific halogenated acyclic hydrocarbon structure. Used in vintage automotive AC systems and specialized cooling equipment, this product is a perhalogenated compound with only fluorine and chlorine. The brand name does not affect its chemical classification.