Thiodiglycol (Bis(2-hydroxyethyl)sulfide)
Thiodiglycol, chemically bis(2-hydroxyethyl)sulfide, a colorless to pale yellow liquid organo-sulphur compound. It is the named compound in tariff item 2930.70.00, so it is classified there as a separate chemically defined compound.
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 product is not a separate chemically defined compound, e.g., contains isomers or impurities beyond trace levels.
Other organo-sulphur compounds not specifically named are classified under the residual tariff item.
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
• Use the correct chemical name bis(2-hydroxyethyl)sulfide on all import documents
• Provide a certificate of analysis to confirm purity and identity
• Be aware that thiodiglycol is a controlled chemical precursor; check with the CBSA and other agencies for permits
Related Products under Tariff item 2930.70.00
Pharmaceutical Grade Thiodiglycol USP
Pharmaceutical grade thiodiglycol (bis(2-hydroxyethyl)sulfide) meeting USP standards. It is a separate chemically defined organo-sulphur compound, classified under tariff item 2930.70.00 as the named compound thiodiglycol (INN).
Stabilized Thiodiglycol for Dye Synthesis
Stabilized thiodiglycol with an added stabilizer for safe transport, used in dye synthesis. The stabilizer is necessary for preservation or transport, so the product remains classified under tariff item 2930.70.00 as thiodiglycol.
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.
Thiodiglycol Aqueous Solution 70%
A 70% aqueous solution of thiodiglycol for safe handling in chemical processing. Chapter 29 Note 1(d) allows aqueous solutions of named compounds, so this falls under tariff item 2930.70.00 as bis(2-hydroxyethyl)sulfide.
Thiodiglycol Ink Solvent TGS-100
Commercial thiodiglycol branded as TGS-100, used as a humectant and solvent in water-based inkjet formulations. It is the pure compound bis(2-hydroxyethyl)sulfide, and its use in inks does not change its classification under tariff item 2930.70.00.