Description

Formaldehyde, Polymer With Phenol And 4,4'-Thiobis[Phenol], Sulfomethylated is a specialized, high-performance phenolic resin derivative engineered for demanding industrial applications. This sulfomethylated polymer offers enhanced solubility and reactivity compared to standard phenolic resins, making it a critical intermediate for advanced material synthesis. It is primarily sought by manufacturers in the adhesive, coating, and composite industries who require materials with superior binding properties and chemical resistance. The compound is supplied with full traceability and batch-specific documentation to ensure consistent performance in your formulation processes.

Application

• As a high-performance binding agent and crosslinker in friction materials (e.g., brake pads, clutch facings).
• Key resin component in the production of heat-resistant and chemically stable industrial coatings and linings.
• Advanced adhesive formulations for wood, automotive, and aerospace composites requiring enhanced durability.
• Modifier for foundry sand binders to improve casting quality and core strength.
• Intermediate in the synthesis of ion-exchange resins and specialty polymers for water treatment.
• Component in electrical insulation materials and encapsulants due to its thermal stability.
• Additive for rubber compounding to improve vulcanization and material properties.
• Base material for developing flame-retardant and intumescent coatings.

Basic Information

Item	Details
Product Name	Formaldehyde, Polymer With Phenol And 4,4'-Thiobis[Phenol], Sulfomethylated
CAS No.	124578-10-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Phenol-formaldehyde-thiobisphenol sulfomethylated polymer; Sulfomethylated phenolic resin; Thiobisphenol modified phenolic resin; Sulfomethylated novolac; Phenolic resin, sulfomethylated; 4,4'-Thiobis[phenol]-formaldehyde-phenol polymer, sulfomethylated; Resin, phenolic, sulfomethylated; Modified phenolic resin CAS 124578-10-5
EINECS	Contact for details

Quality Control

Every batch of our Formaldehyde, Polymer With Phenol And 4,4'-Thiobis[Phenol], Sulfomethylated is manufactured under a strict quality management system. We ensure product consistency and performance through rigorous in-process and final release testing, which includes analysis of key parameters such as sulfomethylation degree, viscosity, and residual monomer content. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to support your quality assurance and regulatory compliance needs.

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); the container must be kept tightly sealed after each use to prevent absorption of atmospheric moisture, which can affect product performance. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Brown to dark brown solid or viscous liquid
Identification (IR)	Conforms to structure
Assay (Active Content)	≥ 95.0 %
Viscosity (at 25°C)	Specification available upon request
Moisture Content	≤ 2.0 %
pH (of solution)	Specification available upon request
Sulfur Content	Specification available upon request
Solubility	Soluble in water, alkaline solutions

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