Description

Tannins, Reaction Products With Sodium Bisulfite, Sodium Polysulfide And Sodium Sulfite is a chemically modified tannin derivative designed for enhanced performance in demanding industrial applications. This specialized compound offers superior stability and reactivity compared to standard tannins, making it a critical additive for processes requiring controlled sulfur chemistry. It is primarily utilized by manufacturers in the leather tanning, water treatment, and mineral processing industries seeking efficient and reliable chemical solutions.

Application

• Leather Tanning Agent: Acts as a syntan (synthetic tanning agent) to improve the quality, durability, and color uniformity of leather.
• Water Treatment Coagulant Aid: Used in conjunction with primary coagulants to enhance flocculation and removal of suspended solids and organic matter.
• Mineral Ore Flotation Depressant: Selectively depresses certain minerals in froth flotation processes to improve the separation and recovery of target ores.
• Corrosion Inhibitor Formulation: Incorporated into formulations for cooling water systems and oilfield applications to protect metal surfaces.
• Adhesive & Resin Modifier: Serves as a cross-linking agent or modifier to enhance the water resistance and mechanical properties of phenolic resins and adhesives.
• Drilling Mud Additive: Used in oil and gas drilling fluids to control viscosity, fluid loss, and shale stabilization.

Basic Information

Product Name	Tannins, Reaction Products With Sodium Bisulfite, Sodium Polysulfide And Sodium Sulfite
CAS No.	72854-27-4
Molecular Formula	Complex Mixture
Molecular Weight	Contact for details
Synonyms	Sulfited Tannin Polysulfide; Tannin Polysulfide Sulfonate; Sodium Tannin Polysulfonate; Sulfonated Tannin Polysulfide; Tannin-Sulfur Reaction Product; Leather Syntan Agent; Tannin Thiosulfate Derivative; Mineral Flotation Depressant T-1
EINECS	Contact for details

Quality Control

Our Tannins, Reaction Products With Sodium Bisulfite, Sodium Polysulfide And Sodium Sulfite is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency in chemical composition and performance. A comprehensive Certificate of Analysis (COA) detailing key parameters such as active content, sulfur species distribution, and solubility is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept sealed when not in use to prevent absorption of atmospheric moisture which may affect product performance.

Specification

Item	Specification
Appearance	Brown to dark brown powder or granules
Identification (IR)	Conforms to standard
Assay (Active Content)	Min. 90%
Moisture Content	Max. 5.0%
pH (10% Solution)	3.5 - 5.5
Water Solubility	Completely soluble

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