Description

Oxirane, Methyl-, Polymer With Oxirane, Ether With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol (4:1) is a specialized polyether polyol, a key reactive intermediate in advanced polymer synthesis. This compound matters for its controlled molecular architecture and hydroxyl functionality, which enables the production of high-performance polyurethanes with tailored properties. Industries requiring precise material engineering, such as coatings, adhesives, sealants, and elastomers (CASE), rely on this chemical for its consistent quality and reactivity. Its CAS number is 58205-99-5.

Application

• Polyurethane Elastomers: As a key polyol component for producing flexible, durable, and high-resilience elastomers used in industrial parts and automotive components.
• Coatings and Paints: Serves as a building block in high-performance polyurethane coatings, providing excellent adhesion, chemical resistance, and weatherability.
• Adhesives and Sealants: Used in formulating structural and specialty adhesives that require strong bonding, flexibility, and resistance to environmental stress.
• Rigid and Flexible Foams: Acts as a polyol in foam systems, contributing to controlled density, thermal insulation properties, and mechanical strength.
• Resin Modification: Employed to modify the properties of other polymer resins, enhancing toughness, flexibility, or crosslink density.
• Specialty Chemical Intermediates: Utilized in the synthesis of more complex chemical entities for niche industrial and research applications.

Basic Information

Item	Details
Product Name	Oxirane, Methyl-, Polymer With Oxirane, Ether With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol (4:1)
CAS No.	58205-99-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(oxy-1,2-ethanediyl), α-hydro-ω-hydroxy-, ether with 2,2-bis(hydroxymethyl)-1,3-propanediol (4:1); Trimethylolpropane ethoxylate (4:1); TMP-4EO; Polyethylene glycol trimethylolpropane ether; Polyether polyol based on TMP and EO/PO; Ethoxylated trimethylolpropane; 2,2-Bis(hydroxymethyl)-1,3-propanediol, ethoxylated; Polyoxyethylene trimethylolpropane
EINECS	Contact for details

Quality Control

Our production of Oxirane, Methyl-, Polymer With Oxirane, Ether With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol (4:1) adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency in hydroxyl value, viscosity, water content, and acid value, meeting the precise specifications required for polyurethane and polymer applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request 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/59-77°F). This product is hygroscopic (moisture-sensitive) and should be kept under a dry inert atmosphere (e.g., nitrogen) to prevent moisture uptake and potential degradation. Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Hydroxyl Value (mg KOH/g)	Contact for details
Viscosity @ 25°C (cP)	Contact for details
Water Content (KF)	≤ 0.1 %
Acid Value (mg KOH/g)	≤ 0.05
Color (APHA)	≤ 50

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