Methanesulfonic Anhydride: Enhancing Flame Retardancy and Hardness in Polyurethane Systems
Discover the critical role of Methanesulfonic Anhydride (CAS 370071-69-5) as a high-performance reactive flame retardant and hardening agent for your polyurethane applications. Explore its benefits and source from trusted suppliers.
Get a Quote & SampleYour Source for High-Purity Methanesulfonic Anhydride

Methanesulfonic Anhydride
As a leading manufacturer and supplier of specialty chemicals, we offer Methanesulfonic Anhydride (CAS 370071-69-5) with an exceptional assay of 99% minimum. This light amber viscous liquid is crucial for enhancing the flame retardancy and hardness of polyurethane foams, adhesives, and coatings, providing superior performance and safety for demanding industrial applications. Partner with a reliable supplier in China for consistent quality and competitive pricing.
- Reactive Flame Retardancy: Effectively imparts flame resistance to polyurethane formulations.
- Hardening Agent: Improves the mechanical properties and durability of polyurethane products.
- High Purity: Guaranteed 99% minimum assay ensures optimal performance and reliability.
- Versatile Applications: Widely used in polyurethane foams, adhesives, and coatings.
Key Advantages of Methanesulfonic Anhydride
Superior Flame Retardancy
As a reactive flame retardant, Methanesulfonic Anhydride chemically bonds within the polymer matrix, offering durable and effective fire protection for your polyurethane products. This makes it an essential ingredient for safety-conscious formulations.
Enhanced Material Hardness
Beyond flame retardancy, this chemical intermediate acts as a hardening agent, contributing to improved tensile strength, abrasion resistance, and overall durability of polyurethane adhesives and coatings. We supply high-quality material for optimal hardening effects.
Consistent Quality and Supply
We are a trusted manufacturer and supplier of Methanesulfonic Anhydride in China, ensuring a stable supply chain and consistent product quality (99% min assay). Procurement from us guarantees reliability for your production needs.
Applications of Methanesulfonic Anhydride
Polyurethane Foam
Improve the fire safety standards of rigid and flexible polyurethane foams used in construction, furniture, and insulation by incorporating Methanesulfonic Anhydride as a reactive flame retardant.
Adhesives
Enhance the performance of industrial adhesives with increased hardness and flame resistance. Our Methanesulfonic Anhydride is a key component for formulators seeking advanced adhesive properties.
Coatings
Develop protective and fire-retardant coatings for various substrates. Methanesulfonic Anhydride contributes to coating durability and crucial safety features, making it a sought-after ingredient.
Specialty Chemical Formulations
Utilized as a versatile intermediate in the synthesis of other complex chemicals, its reactive nature makes it valuable for diverse chemical manufacturing processes. Inquire about bulk purchase options.