99.9% Spectroscopic Grade Isoprene
Ultra-high purity 99.9% isoprene for spectroscopic and analytical applications is a separate chemically defined organic compound, free of UV-absorbing impurities. It is classified under tariff item 2901.24.00 as an acyclic unsaturated hydrocarbon, specifically as isoprene.
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 |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the isoprene is not pure enough or contains other hydrocarbons
Other unsaturated acyclic hydrocarbons not elsewhere specified
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide a certificate of analysis confirming the 99.9% purity and absence of UV-absorbing impurities
• Ensure proper labeling for hazardous materials, as isoprene is flammable
• Keep detailed records for CBSA to verify the product's classification
Related Products under Tariff item 2901.24.00
99.9% Pure Butadiene Monomer
Ultra-high purity buta-1,3-diene monomer (>99.9%) is a separate chemically defined organic compound, meeting the strict purity standards of Chapter 29 Note 1(a). Its conjugated double bonds and four-carbon chain classify it as an unsaturated acyclic hydrocarbon under tariff item 2901.24.00.
99% Pure Isoprene Monomer
High-purity isoprene (2-methyl-1,3-butadiene) used as a key monomer in synthetic rubber production is an acyclic unsaturated hydrocarbon. It is classified under tariff item 2901.24.00 as a separate chemically defined compound, not as 'other' isoprene.
Battery Electrolyte Grade Isoprene Derivative (96%)
96% pure isoprene used in producing electrolyte additives for lithium-ion batteries is a separate chemically defined acyclic hydrocarbon. Despite being below 99% purity, it meets the threshold for a chemically defined compound and is classified under tariff item 2901.24.00.
Buta-1,3-diene (1,3-Butadiene)
Buta-1,3-diene is a colorless, flammable gas with the molecular formula C4H6, classified as an acyclic unsaturated hydrocarbon under tariff item 2901.24.00 due to its conjugated double bonds and four-carbon chain structure. It is a separate chemically defined compound per Chapter 29 Note 1(a).
Elastomer Feedstock Isoprene (99.2%)
99.2% isoprene feedstock for elastomer production is a highly refined acyclic unsaturated hydrocarbon. It qualifies as a separate chemically defined compound under Chapter 29 Note 1(a) and is classified under tariff item 2901.24.00.
Extracted C4 Butadiene Fraction
Buta-1,3-diene recovered via extractive distillation from C4 steam cracker raffinate, purified to chemical compound standards, is a separate chemically defined organic compound. Its primary use in nitrile rubber production aligns with the acyclic unsaturated hydrocarbon classification of tariff item 2901.24.00.