3-Chloro-1-butyne
3-Chloro-1-butyne is a chemically defined unsaturated chlorinated acyclic hydrocarbon with a terminal alkyne and propargylic chloride, used as a specialty intermediate in organometallic coupling reactions. It falls under Chapter 29 as an unsaturated chlorinated derivative of acyclic hydrocarbons.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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Import Tips & Compliance
• Provide the CAS number and technical data sheet to confirm the chemical identity for CBSA
• If the product is used in research, ensure it is not classified as a controlled substance
• Keep the product's safety data sheet available for customs inspection
Related Products under Tariff item 2903.29.00
1,3-Dichloropropene
1,3-Dichloropropene is a mixture of cis and trans isomers of an unsaturated dichlorinated acyclic hydrocarbon, used as a soil fumigant and chemical intermediate. It is a separate chemically defined organic compound or an isomer mixture, falling under Chapter 29 as an unsaturated chlorinated derivative of acyclic hydrocarbons.
1,4-Dichloro-2-butene
1,4-Dichloro-2-butene is a chemically defined unsaturated chlorinated acyclic hydrocarbon with a double bond and allylic chlorides, used as an intermediate in pharmaceutical synthesis. It falls under Chapter 29 as an unsaturated chlorinated derivative of acyclic hydrocarbons.
1-Chloro-1,3-butadiene (Chloroprene)
Chloroprene (2-chloro-1,3-butadiene) is a conjugated diene monomer used in the production of polychloroprene (Neoprene) synthetic rubber. It is a chemically defined unsaturated chlorinated acyclic hydrocarbon, falling under Chapter 29 as an unsaturated chlorinated derivative of acyclic hydrocarbons.
2,3-Dichloropropene
2,3-Dichloropropene is a pure chemically defined unsaturated chlorinated acyclic hydrocarbon with a double bond and adjacent chlorine substituents, used as a specialty intermediate. It is classified under Chapter 29 as an unsaturated chlorinated derivative of acyclic hydrocarbons.
Allyl Chloride
Allyl chloride (3-chloro-1-propene) is a chemically defined unsaturated chlorinated derivative of acyclic propane with a terminal double bond and chlorine substituent. It is used as an industrial intermediate and falls under Chapter 29 as an unsaturated chlorinated derivative of acyclic hydrocarbons.
Crotonyl Chloride
Crotonyl chloride (2-butenoyl chloride) is an unsaturated acid chloride with a double bond and chlorine, but it is classified as a halide of a carboxylic acid. Per Chapter 29 Note 5(E), halides of carboxylic acids are classified with the corresponding acids, so it falls under heading 29.16, not 2903.