Sulphated Chestnut Tannin Liquid
Sulphated chestnut tannin is a liquid derivative from chestnut wood extract, used as a retanning agent in leather finishing for improved dye affinity. It qualifies under HTS 3201.90.50.00 for other vegetable tannins and derivatives n.e.s., distinct from basic extracts. This product enhances leather softness and is common in shoe and upholstery production.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If unsulphated basic chestnut extract
Basic chestnut wood extracts have a dedicated subheading separate from derivatives.
If used primarily as a finishing agent
Tannins applied in leather finishing processes may classify under Chapter 38 finishing agents.
If for industrial mixtures with fillers
Prepared tanning mixtures not purely vegetable origin fall into chemical preparations.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Declare exact derivative type (e.g
• sulfated) and concentration to match tariff description
• Use UN-approved packaging for liquids to meet hazmat shipping regs
Related Products under HTS 3201.90.50.00
Mimosa Tannin Extract Flakes
Mimosa tannin extract, obtained from Acacia mearnsii bark, is a natural vegetable tanning agent used in the leather industry for producing soft, full leathers. Classified under HTS 3201.90.50.00 as 'other' vegetable tanning extracts, it is imported in flake form for easy dissolution. Its high tannin purity makes it ideal for drum tanning processes.
Valonia Tannin Concentrate
Valonia extract from oak galls is a high-ellagitannin source for heavyweight leather tanning. Under HTS 3201.90.50.00 as other vegetable tannins. Used in sole leather production for durability.
Pine Bark Tannin Extract
Proanthocyanidin-rich pine bark extract serves as a sustainable tanning agent alternative. HTS 3201.90.50.00 covers this other vegetable origin product. Applied in eco-friendly leather processing.
Tara Tannin Powder
Tara pods from Caesalpinia spinosa yield gallotannins for pure vegetable tanning. HTS 3201.90.50.00 for other extracts. Popular for bag and belt leathers.
Gamier Tannin Extract
Gamier oak extract provides condensed tannins for combination tanning systems. Under HTS 3201.90.50.00. Enhances chrome tanning penetration.
Wattle Bark Tannin Liquid
Wattle (Australian acacia) bark liquid extract for rapid tanning cycles. HTS 3201.90.50.00 other category. Used in upholstery leather.