2,2,4-Trimethyl-1,3-Pentanediol (TMPD) CAS 144-19-4

• Packaging: 25 kg/drum. Custom packaging can be discussed based on order quantity and transportation requirements.

• Storage: Store indoors in a cool, dry area. Keep away from heat sources and avoid prolonged storage above 30°C.

Storage & Handling Notes

For flaked, pelletized, or pastillated TMPD, prolonged exposure to temperatures above 30°C or excessive stacking pressure may cause the material to remass.

Product Origin

Jinan, China

Lead Time

Immediately after payment

Departure Ports

Qingdao / Tianjin / Shanghai / Ningbo

Sample Support

Samples are available for evaluation before bulk orders. Shipment arrangements depend on destination and applicable transportation requirements.

Production Workshop

Laboratory Analysis Area

Product Quality Testing

Batch Quality Control

Consistent quality control for each production batch.

COA / TDS / SDS

Technical documents available upon request.

Sample Support

Samples available for product evaluation.

Custom Specifications Available

Custom specifications available upon request.

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Applications of 2,2,4-Trimethyl-1,3-Pentanediol (TMPD)

2,2,4-Trimethyl-1,3-Pentanediol (TMPD, CAS 144-19-4) is a branched diol widely used as a building block in polyester resin and coating formulations. Its molecular structure makes it particularly suitable for saturated polyester resins, unsaturated polyester resins, and selected high-performance coating systems.

Polyester Resins & Liquid Coatings

TMPD is commonly used in the production of saturated polyester resins for liquid coatings. Its branched structure can support low resin viscosity, good solvent solubility, and formulation flexibility, making it suitable for industrial coating applications.

Typical application areas include:

• Saturated polyester resins

• Industrial liquid coatings

• General metal coatings

• Automotive and auto-refinish coatings

• Inustrial maintenance coatings

High-Solids & Waterborne Coatings

TMPD can be used in polyester systems designed for high-solids, low-VOC, and waterborne coatings. TMPD-based polyester formulations may provide a useful balance of processability and coating performance, including resistance to chemicals, stains, humidity, and corrosion.

It is particularly suitable for formulations where low viscosity, good solvent compatibility, and stable waterborne polyester performance are required.

Unsaturated Polyester Resins

TMPD is also used as a diol component in unsaturated polyester laminating resins. These resin systems are used in composite materials and applications requiring durable resin performance.

Typical applications include:

• Unsaturated polyester laminating resins

• Composite materials

• Fiberglass-reinforced plastics

• Industrial molded products

Fiberglass-Reinforced Plastics & Composites

TMPD-based polyester systems can be used in fiberglass-reinforced plastic (FRP) and composite applications, particularly where corrosion resistance and long-term durability are important performance considerations.

The final performance of TMPD in any resin or coating system depends on the complete formulation, monomer ratio, processing conditions, curing system, and intended end use. Customers should evaluate product suitability according to their specific formulation and application requirements.

Q: What is TMPD used for?

A: TMPD is mainly used in polyester resins, coatings, polyurethane systems, and FRP applications.

Q: What kinds of transportation types can you provide?

A: We can provide a variety of transportation methods, including express delivery for shipments under 25 kg, sea freight for large-volume cargo, and air freight upon request.

Q: What pre-sales and after-sales support do you provide?

A: We respond within 24 hours and provide technical, order, and logistics support throughout the cooperation process.