Thionyl Chloride (SOCl2) 99% Purity
Thionyl chloride is a colorless to pale yellow liquid chemical compound with the formula SOCl2, used primarily as a chlorinating and dehydrating agent in organic synthesis. It falls under HTS 2812.17.00.00 as a chloride oxide of nonmetals, specifically thionyl chloride, distinct from metal salts or organic compounds. This high-purity grade is suitable for pharmaceutical intermediate production.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If reacted with organic substrates prior to import
Products resulting from reaction with organic compounds fall under Chapter 29 as halogenated derivatives of hydrocarbons.
If imported as a formulated mixture for retail or lab use
Mixtures not chemically defined as single compounds are classified in 3824 as other chemical preparations.
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Import Tips & Compliance
• Ensure SDS and proper UN1836 labeling for corrosive hazardous material transport
• Verify purity certificates to confirm classification as chemically defined under Chapter 28 notes
Related Products under HTS 2812.17.00.00
Stabilized Thionyl Chloride for Pharmaceutical Use
This stabilized form of thionyl chloride contains additives to prevent decomposition, ideal for converting alcohols and acids to chlorides in drug manufacturing. It is a chemically defined halide oxide under HTS 2812.17.00.00, meeting Chapter 28 Note 1 criteria for nonmetal compounds. Purity exceeds 99.5% with minimal impurities.
Thionyl Chloride with Pyridine Stabilizer
Thionyl chloride stabilized with 0.1% pyridine inhibits decomposition for safer storage and transport in pharma synthesis. Still classified under HTS 2812.17.00.00 as the principal compound is chemically defined thionyl chloride per Chapter notes. The stabilizer is below threshold for reclassification.
Redistilled Thionyl Chloride 99.8%
Redistilled thionyl chloride achieves 99.8% purity through multiple vacuum distillations for sensitive fine chemical synthesis. Explicitly thionyl chloride under HTS 2812.17.00.00, a nonmetal chloride oxide not covered by Chapter 29 organics. Boiling point 74-76°C.
Industrial Grade Thionyl Chloride
Industrial thionyl chloride (SOCl2) is a reactive chloride oxide used in large-scale production of acid chlorides from carboxylic acids. Classified under HTS 2812.17.00.00 as a halide oxide of nonmetals per Chapter 28 notes, excluding organo-inorganic compounds. It produces sulfur dioxide and HCl gases upon reaction, requiring specialized handling.
Thionyl Chloride Anhydrous 99.9% ACS Reagent
ACS reagent-grade thionyl chloride is ultra-pure anhydrous SOCl2 for analytical and research applications, free of water to avoid hydrolysis. It qualifies under HTS 2812.17.00.00 as a pure chloride oxide of nonmetals, per subchapter II definitions. Commonly used in converting carboxylic acids to acid chlorides.
Bulk Thionyl Chloride for Agrochemical Production
Bulk thionyl chloride is supplied in tankers or IBCs for manufacturing pesticides and herbicides via chlorination reactions. Classified precisely as thionyl chloride under HTS 2812.17.00.00, a halide oxide of sulfur and oxygen (nonmetals). It reacts vigorously with water, necessitating dry storage.