New

Ask Wove anything about tariffs.

Try Tariff Assistant

Thiodiglycol 95% Technical Grade

Technical grade thiodiglycol at 95% purity, supplied as a stabilized liquid for industrial use in dye manufacturing. It is bis(2-hydroxyethyl)sulfide, a separate chemically defined compound, and the stabilizer is for preservation, so it is classified under tariff item 2930.70.00.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—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.

2930.90.00Same rate: Free

If the 5% impurities or stabilizer make the product not a separate chemically defined compound.

Technical grade products with significant impurities may be classified as other organo-sulphur compounds.

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

• Specify the exact purity (95%) and the stabilizer used on the import documents

• Provide a certificate of analysis to confirm the chemical identity

• Confirm that the stabilizer is solely for preservation or transport, not to enhance performance