About HS Code 293211
Tetrahydrofuran (THF) is a pivotal industrial solvent and a key precursor in polymer chemistry, particularly for producing polytetramethylene ether glycol (PTMEG), which is essential for manufacturing spandex fibers and polyurethanes. It also serves as a common laboratory solvent for various organic reactions, including Grignard reactions, due to its excellent solvating properties. Major chemical manufacturers, textile companies, and pharmaceutical firms are the primary importers and exporters of THF. Its volatility and flammability necessitate careful handling, storage, and transportation, impacting global trade logistics. The demand for THF is consistently driven by the textile industry, the automotive sector (for coatings and adhesives), and the pharmaceutical industry, highlighting its role in high-performance materials and its status as a regulated chemical due to safety considerations.
Products Under This Code
Tetrahydrofuran solvent, THF for polymerization, PTMEG precursor, THF for pharmaceutical synthesis, THF for adhesive formulations, THF for coatings, industrial grade THF
Real World Examples
BASF Tetrahydrofuran, LyondellBasell THF, Mitsubishi Chemical THF, Invista PTMEG (derived from THF)
Common Misclassification
This code can be confused with other cyclic ethers like 1,4-dioxane (2932.99) or furan (2932.19) if the specific saturated furan ring structure of tetrahydrofuran is not precisely identified.
Products Classified Under 2932.11
Industry
This code belongs to the Chemicals industry.
Trade Overview
China, USA, Germany, and Japan are major producers and significant consumers of tetrahydrofuran in various industrial applications.
Frequently Asked Questions
What is HS code 293211?
HS code 293211 covers: Heterocyclic compounds; with oxygen hetero-atom(s) only, containing an unfused furan ring (whether or not hydrogenated) in the structure, tetrahydrofuran. Tetrahydrofuran (THF) is a pivotal industrial solvent and a key precursor in polymer chemistry, particularly for producing polytetramethylene ether glycol (PTMEG), which is essential for manufacturing spandex fibers and polyurethanes. It also serves as a common laboratory solvent for various organic reactions, including Grignard reactions, due to its excellent solvating properties. Major chemical manufacturers, textile companies, and pharmaceutical firms are the primary importers and exporters of THF. Its volatility and flammability necessitate careful handling, storage, and transportation, impacting global trade logistics. The demand for THF is consistently driven by the textile industry, the automotive sector (for coatings and adhesives), and the pharmaceutical industry, highlighting its role in high-performance materials and its status as a regulated chemical due to safety considerations.
What products fall under HS code 293211?
Tetrahydrofuran solvent, THF for polymerization, PTMEG precursor, THF for pharmaceutical synthesis, THF for adhesive formulations, THF for coatings, industrial grade THF
What are common misclassifications for HS code 293211?
This code can be confused with other cyclic ethers like 1,4-dioxane (2932.99) or furan (2932.19) if the specific saturated furan ring structure of tetrahydrofuran is not precisely identified.
How is HS code 293211 structured?
HS code 293211 is a 6-digit subheading under the Harmonized System. The first 2 digits (29) identify the chapter, digits 3-4 (32) identify the heading, and digits 5-6 (11) specify the subheading. This code is standardized globally by the World Customs Organization.