Description

Acacia Decurrens, Ext. is a natural botanical extract derived from the bark of the *Acacia decurrens* tree. This product is valued for its high concentration of tannins and polyphenolic compounds, making it a versatile ingredient for demanding industrial and commercial applications. It serves as a critical raw material for manufacturers in the leather tanning, textile, and specialty chemical industries seeking consistent, high-quality natural extracts.

Application

• Leather Tanning Agent: Primary use as a vegetable tanning agent for high-quality leather production.
• Textile Mordant: Used to fix dyes onto natural fibers like cotton and wool.
• Adhesive Formulation: Acts as a natural binder and tackifier in specialty adhesives and glues.
• Wood Stain & Preservative: Imparts color and offers mild preservative properties for wood treatment.
• Ink Manufacturing: Utilized as a component in the formulation of natural and specialty inks.
• Pharmaceutical Excipient: May be used as an astringent or stabilizer in certain traditional and herbal preparations.
• Beverage Clarification: Employed in the fining process for wine and beer production.
• Corrosion Inhibitor: Investigated for use in water treatment and mild steel protection formulations.

Basic Information

Product Name	Acacia Decurrens, Ext.
CAS No.	98903-76-5
Molecular Formula	Complex Polyphenolic Mixture
Molecular Weight	Variable (Polymeric Tannins)
Synonyms	Acacia Decurrens Extract; Wattle Bark Extract; Black Wattle Extract; Mimosa Decurrens Extract; Vegetable Tannin Extract; Tannic Acid (from Acacia decurrens); Quebracho Substitute (Vegetable Tannin); Catechin Tannin Extract
EINECS	Contact for details

Quality Control

Our Acacia Decurrens, Ext. is produced under strict quality management protocols to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive testing for key parameters such as tannin content, color value, solubility, and moisture. A Certificate of Analysis (COA) detailing these specifications is provided with every shipment to guarantee compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep container tightly sealed when not in use to prevent caking and degradation.

Specification

Item	Specification
Appearance	Brown to reddish-brown powder
Identification (IR)	Conforms to standard
Tannin Content (Gravimetric)	Min. 60%
Non-Tannins	Max. 35%
Insolubles	Max. 5%
Moisture (Loss on Drying)	Max. 12%
pH (10% Solution)	3.5 - 5.0
Ash Content	Max. 6%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.