Alcohol, High-Purity Solvents

Trimethylolpropane (TMP)

Trimethylolpropane (TMP) 77-99-6

This product is a versatile chemical substance, identified as Trimethylolpropane (TMP), CAS 77-99-6. It presents as a white, odourless solid in flake form, with a melting point between 57-60 °C and good solubility in water (333 g/l at 20 °C). Primarily intended for industrial use, it serves as a key chemical ingredient in various sectors, including the coating industry, polyurethane manufacturing, and general polymer production. The substance is stable under normal conditions and is not classified as hazardous, making it a reliable component for diverse industrial applications.

Attributes

Key Features and Benefits

Enables superior crosslinking for enhanced polymer network formation.
Provides consistent reactivity due to its primary hydroxyl groups.
Ensures high product quality with low color and purity.
Offers excellent thermal stability for demanding applications.
Features low volatility, promoting safer handling and reduced emissions.
Boasts broad miscibility, aiding diverse formulation development.
Contributes to environmental responsibility as a readily biodegradable compound.
Acts as a versatile building block for high-performance resins and lubricants.

Specifications

Technical Highlights

Appearance: White Flakes
Assay (TMP content): Min. 99.0%
Melting Point: Min. 58 °C
Water Content: Max. 0.2%
Hydroxyl Content: Min. 42.0%
Colour (APHA/Hazen): Max. 10
Ash Content: Max. 0.01%
Acid Value: Max. 0.05 mg KOH/g
Flash Point (Pensky-Martens closed cup): Min. 165 °C
Specific Gravity (at 20°C): 1.05-1.07 g/cm³

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Polyurethane Production: Functions as a trifunctional building block, chain extender, or crosslinking agent, enhancing hardness, abrasion, and chemical resistance in polyurethanes.
Alkyd Resins for Coatings: Serves as a crucial component in producing alkyd resins, which improves the durability, flexibility, and gloss retention of paints and varnishes.
Polyester Resins: Incorporated into unsaturated and saturated polyester resins to boost mechanical strength and weatherability for composites, coatings, and adhesives.
Radiation-Curable Coatings: Utilized in acrylic esters for UV-curable coatings, inks, and adhesives, providing rapid cure, high hardness, and chemical resistance.
High-Performance Lubricants: Acts as a raw material for synthesizing TMP esters, imparting excellent thermal stability and hydrolytic resistance to synthetic lubricants and functional fluids.
Adhesives and Sealants: Enhances adhesion, flexibility, and overall performance in various adhesive and sealant formulations.