Chemical Product Library / Reference
Trimethylolpropane
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Trimethylolpropane |
|---|---|
| English synonyms | TMP;Trimethylolpropane;2-Ethyl-2-(hydroxymethyl)-1,3-propanediol |
| Chinese name | 三羟甲基丙烷 |
| Chinese synonyms | TMP;三甲醇丙烷;2-乙基-2-羟甲基-1,3-丙二醇 |
| Chemical category | Alcohols & Glycols |
| CAS No. | 77-99-6 |
| EINECS No. | 201-074-9 |
| Molecular formula | C6H14O3 |
| Molecular weight | 134.17 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Assay ≥99.0%; water ≤0.2%; hydroxyl value ≥37.5%; residue on ignition ≤0.05%; color (Pt-Co) ≤20
Performance characteristics
White crystalline flakes or powder, soluble in water and alcohol, tri-functional alcohol
Application scenarios
Alkyd resin, polyurethane, plasticizer, lubricant, UV-curable coatings