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High Purity Synthetic Indigo for Research

Ultra-pure (99+%) synthetic indigo (Vat Blue 1, CI 73000) for chemical research and dye development laboratories. As a named synthetic organic vat dye, it falls under this tariff item, even though it is a separate chemically defined compound, since chapter note 1(a) allows dyes of heading 32.04.

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.

3827.90.00Same rate: Free

If the product is not described by name or function in Section VI headings

Section note 4 directs products to headings that reference them by name or function over heading 38.27, but if not, 38.27 may apply.

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

• Ensure the product is classified as a dye of heading 32.04, not as a separate chemically defined compound of Chapter 29, per chapter note 1(a)

• Provide the purity certificate and intended use (research) to CBSA

• If the product is for laboratory use only, confirm it does not fall under other headings like 38.27

Related Products under Tariff item 3204.15.00

Blue Denim Starter Dye Kit (Pure Vat Blue 1)

A starter kit containing a small quantity of pure synthetic indigo (Vat Blue 1, CI 73000) along with instructions for craft and small-batch dyeing. The dye itself is a synthetic organic vat dye, classifiable under this tariff item as a named vat dye, regardless of the kit's presentation.

CI 73000 Vat Dye for Artist Canvas

Pure synthetic indigo powder (Vat Blue 1, CI 73000) intended for professional artists creating textile-based artworks. As a named synthetic organic vat dye, it falls under this tariff item, which covers vat dyes usable as pigments, irrespective of the end-use.

Denim Blue Synthetic Indigo Paste Preparation

A pre-dispersed paste of synthetic indigo (Vat Blue 1, CI 73000) for denim dyeing, formulated to reduce dispersion time. Despite the paste form, it remains a named vat dye and is classifiable under this tariff item, as the paste is a preparation based on the dye, not a pigment dispersed in a non-aqueous medium for paint manufacture.

Denim Factory Vat Blue 1 Bulk Powder

Bulk 25 kg bags of synthetic indigo (Vat Blue 1, CI 73000) for large-scale denim production. This is a pure synthetic organic vat dye, classifiable under this tariff item as a named vat dye, with the bulk packaging not affecting classification.

Indigo Dye for Linen and Canvas

Synthetic indigo (Vat Blue 1, CI 73000) specifically for linen, canvas, and heavy fabrics requiring deep penetration. This is a named synthetic organic vat dye, classifiable under this tariff item, with the end-use not affecting classification.

Industrial Synthetic Indigo Dye for Denim

High-strength synthetic indigo (Vat Blue 1, CI 73000) powder formulated for denim yarn dyeing via vat reduction. This is a named synthetic organic vat dye, usable as a pigment, and falls under this tariff item.