Trimethylolpropane (TMP) is the organic compound with the formula CH3CH2C(CH2OH)3. Trimethylolpropane appears as colorless, hygroscopic crystals that are soluble in water and alcohol. It is combustible.
The three primary hydroxyl groups in trimethylolpropane undergo typical reactions of OH groups. Trimethylolpropane is a primary alcohol and serves as a precursor for manufacturing various resins, including alkyds, saturated polyesters, and polyurethanes (polyester polyol and polycarbonate diol).
| Property | Value |
|---|---|
| Chemical Formula | C₆H₁₄O₃ |
| Molar Mass | 134.17 g/mol |
| Appearance | White solid |
| Odor | Faint odor |
| Density | 1.084 g/mL |
| Melting Point | 58 °C (136 °F; 331 K) |
| Boiling Point | 289 °C (552 °F; 562 K) |
| Vapor density | 4.8 (vs air) |
| Vapor pressure | <1 mm Hg ( 20 °C) |
| Flash point | 172 °C |
| Storage temp | Store below +30°C |
| Solubility | H2O: 0.1 g/mL, clear |
| Form | Flakes |
| Color | White |
| Water Solubility | Soluble |
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Trimethylolpropane (TMP) is an organic compound with the chemical formula CH3CH2C(CH2OH)3. It is a triol, meaning it contains three hydroxy functional groups.
TMP is a colorless to white solid with a faint odor. Its physical characteristics make it suitable for various applications in the polymer industry.
Containing three hydroxy functional groups, TMP is a valuable building block in the polymer industry. It is often used in the production of polyols, which are key components in the synthesis of polyurethanes.
Trimethylolpropane has applications beyond polymers and is used in various industries, including coatings, adhesives, sealants, and lubricants. Its versatility stems from its ability to enhance the properties of the materials in which it is incorporated.
The presence of three hydroxy functional groups in TMP allows for the creation of highly functional polymers with desirable properties. Its use contributes to the development of materials with enhanced durability, flexibility, and other desirable characteristics.
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