1,4-Dibromobutane
1,4-Dibromobutane (Br(CH2)4Br) is a dibromoalkane used to synthesize crown ethers and polymers. Falls under HTS 2903.69.10.00 as alkyl dibromide, brominated acyclic hydrocarbon. Chemically defined status per Chapter 29 confirmed.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If aromatic dibromide
Aromatic polybromides have dedicated subheading.
If forms cyclic diether derivatives
Cyclic acetals/ethers from dibromoalkanes classify in heading 2932.
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Import Tips & Compliance
• Cyclization risk during storage - low temperature shipping; HPLC purity >98%; symmetrical structure simplifies analysis
Related Products under HTS 2903.69.10.00
Ethyl Bromide
Ethyl bromide (C2H5Br) is a colorless liquid alkyl bromide used primarily as a synthetic intermediate in organic chemistry for alkylation reactions and pharmaceutical production. It falls under HTS 2903.69.10.00 as a brominated derivative of acyclic hydrocarbons, specifically an alkyl bromide other than methyl bromide. This classification aligns with Chapter 29 notes for separate chemically defined organic compounds.
n-Propyl Bromide
n-Propyl bromide (CH3CH2CH2Br), also known as 1-bromopropane, is an alkyl bromide serving as a solvent and intermediate in agrochemical and pharmaceutical manufacturing. Classified under HTS 2903.69.10.00 as a brominated acyclic hydrocarbon alkyl bromide, excluding methyl bromide. It meets Chapter 29 criteria for chemically defined halogenated compounds.
Isopropyl Bromide
Isopropyl bromide ((CH3)2CHBr) is a branched alkyl bromide used in organic synthesis for preparing ethers and esters. It is specifically listed under HTS 2903.69.10.00 as an alkyl bromide (other than methyl bromide) that is a brominated derivative of acyclic hydrocarbons. Pure, chemically defined status confirms Chapter 29 applicability.
n-Butyl Bromide
n-Butyl bromide (CH3(CH2)3Br) serves as a reagent in alkylation reactions and pharmaceutical intermediates production. This alkyl bromide is classified in HTS 2903.69.10.00 as a brominated acyclic hydrocarbon, distinct from methyl bromide. It conforms to Chapter 29 requirements for separate halogenated organic compounds.
Allyl Bromide
Allyl bromide (CH2=CHCH2Br) is an unsaturated alkyl bromide used in polymer chemistry and pharmaceutical synthesis. It qualifies for HTS 2903.69.10.00 as a brominated acyclic hydrocarbon alkyl bromide. The chemically defined nature fits Chapter 29 heading specifications for halogenated derivatives.
1-Bromo-2-chloroethane
1-Bromo-2-chloroethane (BrCH2CH2Cl) is a mixed halogenated alkyl bromide used in specialty chemical synthesis. Classified under HTS 2903.69.10.00 per Chapter 29 note 4 allowing compound halogenated derivatives in brominated headings. Meets criteria as acyclic brominated hydrocarbon derivative.