Trimethylolpropane (TMP, CAS 77-99-6) is white flaky trifunctional polyol, mainly supplied in 99% industrial grade, widely used for alkyd resin, saturated polyester, polyurethane, UV curing monomer and synthetic lubricant. TNJ Chemical is the key manufacturer and exporter since from 2001 in China. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To find more, please contact sales@tnjchem.com
Product Information
Product Name: Trimethylolpropane
Abbreviation: TMPCAS No.: 77-99-6
EINECS No.: 201-074-9
Molecular Formula: C₆H₁₄O₃Molecular Weight: 134.17
Synonyms: 1,1,1-Trimethylolpropane, 2-Ethyl-2-hydroxymethyl-1,3-propanediol
Chemphysical Properties
Appearance: White flake crystal, odourlessMelting Point: 56–58 ℃
Boiling Point: 295 ℃
Density: 1.176 g/cm³Flash Point: 172 ℃
Solubility: Easily soluble in water, ethanol, acetone; slightly soluble in aliphatic hydrocarbons
Characteristic: Hygroscopic, three reactive hydroxyl groups for crosslinking reaction
Quality Specification
| Item | Standard (99% Grade) |
|---|---|
| Purity (GC) | ≥99.0% |
| Hydroxyl Content | ≥37.5% |
| Crystallization Point | ≥58.0 ℃ |
| Moisture | ≤0.05% |
| Acidity (as formic acid) | ≤0.002% |
| Color (APHA) | ≤20 |
| Ash Content | ≤0.005% |
Use & Application
Raw material for alkyd resin, saturated polyester resin, polyurethane resin and polyol;
Feedstock for TMPTA, UV curing monomers, improve crosslink density, hardness and weather resistance of coatings;
Synthetic high-performance lubricant, aviation lubricant base stock;
Used in adhesives, printing inks, rosin ester, PVC heat stabilizer and plasticizer;
Crosslinking agent for elastomer and powder coating;
Packing, Delivery & Storage
Packing: 25kg/bag, 18mt/20''container without pallet; 750kgs(30bags)/pallet, 15mt(20pallets)/20''container with pallet
Storage: Keep sealed, store in cool, dry and ventilated warehouse, avoid moisture and direct sunlight, keep away from oxidants
Shelf Life: 12 months under proper storage
Important attention
Trimethylolpropane TMP 99% CAS 77-99-6 must be used solely for legal purposes. Please strictly verify and confirm its actual legal end-use before inquiring or ordering with us. Diversion for illicit synthesis or any illegal application is strictly forbidden. Legal liabilities will be held for any misuse or diversion. We reserve rights to conduct end-use inspection.
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