1,1-Dichlorobutane
1,1-Dichlorobutane is a dichlorobutane isomer where both chlorine atoms are attached to the first carbon of a butane chain, qualifying as a saturated chlorinated derivative of acyclic hydrocarbon butane. It is specifically covered under HTS 2903.19.05.00 which names dichlorobutanes explicitly. Used primarily as a synthetic intermediate in pharmaceutical and agrochemical production.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If fluorinated (chlorofluorobutane derivatives)
Fluorinated derivatives shift to fluorinated/halogenated acyclic hydrocarbons under 2903.30 rather than purely chlorinated compounds.
If when supplied in solvent mixtures for industrial degreasing
Chemical preparations containing dichlorobutanes as active solvents are classified in Chapter 38 based on end-use preparation rather than principal compound.
If saturated acyclic non-halogenated hydrocarbons predominate
Blends where halogenated components are minor would classify under acyclic saturated hydrocarbons per Chapter 29 numerical order rules.
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Import Tips & Compliance
• Include detailed chemical analysis certificates confirming isomer structure and compliance with Chapter 29 purity requirements
• Ensure proper hazardous material declaration (UN 2387) and DOT compliance for transport
• Check for REACH-like restrictions if transshipping from EU; distinguish from CFCs which have separate quotas
Related Products under HTS 2903.19.05.00
1,2-Dichloropropane (Propylene Dichloride)
1,2-Dichloropropane is a saturated chlorinated derivative of acyclic hydrocarbon propane, featuring two chlorine atoms attached to adjacent carbon atoms. This chemical compound falls under HTS 2903.19.05.00 as it is explicitly named in the tariff description for saturated chlorinated acyclic hydrocarbons other than those specified elsewhere. It is commonly used as an industrial solvent and intermediate in organic synthesis.
1,4-Dichlorobutane
1,4-Dichlorobutane features chlorine atoms on the terminal carbons of a butane chain, making it a classic example of dichlorobutanes covered by HTS 2903.19.05.00 for saturated chlorinated acyclic hydrocarbon derivatives. This compound serves as a key intermediate in polymer chemistry and pharmaceutical synthesis. Its classification adheres to Chapter 29 notes for chemically defined halogenated organic compounds.
2,3-Dichlorobutane
2,3-Dichlorobutane is an isomer with chlorine atoms on the second and third carbons of butane, fitting precisely within the dichlorobutanes provision of HTS 2903.19.05.00 for saturated chlorinated acyclic hydrocarbons. Commonly employed in organic synthesis research and as a specialty solvent. Meets Chapter 29 criteria as a separate chemically defined compound.
1,3-Dichlorobutane
1,3-Dichlorobutane positions chlorine atoms on carbons 1 and 3 of the butane chain, qualifying under the dichlorobutanes category in HTS 2903.19.05.00. This saturated chlorinated acyclic hydrocarbon serves as an intermediate for fine chemical synthesis. Classification follows Chapter 29 rules for halogenated derivatives.
1,2-Dichloropropane Industrial Solvent Grade
Industrial solvent grade 1,2-dichloropropane contains permitted stabilizers per Chapter 29 note (f), maintaining classification under HTS 2903.19.05.00 as the named saturated chlorinated acyclic hydrocarbon. Used in paint stripping and degreasing applications. Stabilizers do not render it suitable for specific use beyond general solvent applications.
2,2-Dichlorobutane
2,2-Dichlorobutane features geminal dichloride structure on the second carbon, covered as dichlorobutanes in HTS 2903.19.05.00. This branched saturated chlorinated acyclic hydrocarbon is used in specialty organic transformations. Meets all Chapter 29 definitional criteria.