Description

Rhatannin CAS NO 80456-02-6 is a naturally occurring polyphenolic compound, specifically a hydrolyzable tannin, derived from plant sources. This compound is valued for its potent astringent and protein-binding properties, making it a versatile ingredient for technical and research applications. It is primarily sought by manufacturers and researchers in the pharmaceutical, cosmetic, and specialty chemical industries for its biological activity and chemical functionality.

Application

• Pharmaceutical Research: Used as a reference standard and active ingredient in studies focusing on astringency, antioxidant activity, and protein precipitation.
• Cosmetic Formulations: Incorporated into skincare products like toners and aftershaves for its skin-tightening and pore-refining astringent effects.
• Leather Tanning: Serves as a natural tanning agent in the processing of high-quality leathers, contributing to durability and color.
• Textile Industry: Employed as a natural mordant in dyeing processes to improve color fastness on natural fibers.
• Analytical Chemistry: Utilized as a reagent for the precipitation and detection of alkaloids, gelatin, and other proteins.
• Food & Beverage Research: Investigated for its potential as a natural clarifying agent in beverages and for its influence on taste perception.

Basic Information

Product Name	Rhatannin
CAS No.	80456-02-6
Molecular Formula	C41H32O26
Molecular Weight	940.68 g/mol
Synonyms	Rhatanhia Tannin; Rhatany Tannin; Krameria Tannin; Tannin from Krameria; 1,2,3,4,6-Penta-O-galloyl-β-D-glucose; PGG; β-Penta-O-galloyl-glucose; Gallotannin
EINECS	Contact for details

Quality Control

Our Rhatannin is produced and tested under strict quality management protocols. Each batch is analyzed to ensure high purity and consistent performance, with specifications suitable for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, prolonged exposure to air should be minimized. Keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Light brown to yellowish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals	≤ 20 ppm

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