Trimethylolpropane propoxylate

CAS 25723-16-4C2H5C[CH2(OC3H6)nOH]3Polymer Science

Trimethylolpropane propoxylate (CAS: 25723-16-4), with the linear formula C2H5C[CH2(OC3H6)nOH]3, is a versatile chemical compound. Its structure, derived from trimethylolpropane and propylene oxide, lends itself to applications requiring enhanced flexibility and hydrolytic stability. This propoxylated triol functions effectively as a crosslinker and reactive diluent in various polymer systems, contributing to improved material properties and performance characteristics in diverse industrial formulations.

IUPAC: Trimethylolpropane propoxylate (2.5 O/OH)

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Trimethylolpropane propoxylate (C2H5C[CH2(OC3H6)nOH]3) — chemical structure, CAS 25723-16-4; Materials Science, fine chemical supplied by Tech Serve Solutions

CrosslinkersCrosslinking AgentsMaterials SciencePolymer ScienceReagents for Polymerization

01 /Applications

Polyurethane Production

As a propoxylated triol, it serves as a key building block or crosslinker in the synthesis of polyurethanes. It contributes to the final polymer's flexibility, impact resistance, and hydrolytic stability, making it suitable for coatings, adhesives, sealants, and elastomers (CASE applications).

Coating Formulations

Incorporated into coating formulations, it acts as a reactive diluent or crosslinker, reducing viscosity while enhancing the film's durability and chemical resistance. Its structure can improve adhesion and flexibility of cured coatings.

Resin Modification

It can be used to modify the properties of various resins, improving characteristics such as flexibility, impact strength, and weatherability. This is particularly useful in polyester and alkyd resin systems.

Crosslinking Agent

Its trifunctional nature allows it to act as an effective crosslinking agent in thermosetting resins, contributing to the development of a robust three-dimensional polymer network and enhancing mechanical properties.

02 /Properties

Linear formula	C2H5C[CH2(OC3H6)nOH]3
Density	1.04 g/mL at 25 °C
Refractive index	n20/D 1.463

03 /Safety & handling

Protective equipment	Eyeshields, Gloves
Flash point	184 °C / 363.2 °F
Water hazard class (WGK, DE)	1

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

25723-16-4

MDL number

MFCD00197949

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Trimethylolpropane propoxylate used for?

Trimethylolpropane propoxylate is used as a crosslinker and reactive diluent in polymer systems, particularly in the production of polyurethanes, coatings, and modified resins. It enhances flexibility, hydrolytic stability, and mechanical properties.

What is the CAS number and formula for Trimethylolpropane propoxylate?

The CAS number is 25723-16-4, and the linear formula is C2H5C[CH2(OC3H6)nOH]3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Trimethylolpropane propoxylate as a technical or research grade material. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.

What are the safety and handling considerations for Trimethylolpropane propoxylate?

Handling requires the use of eyeshields and gloves. The compound has a flash point of 184 °C (363.2 °F). Please consult the Safety Data Sheet (SDS) for comprehensive safety and handling information.

How is Trimethylolpropane propoxylate packed, shipped, and exported?

Tech Serve Solutions offers global export services for Trimethylolpropane propoxylate, ensuring appropriate packaging for safe transport in compliance with international shipping regulations.