Trimethylolpropane (TMP, CAS 77-99-6) is a white crystalline trifunctional polyol flake solid, widely used as cross-linking monomer for alkyd resin, saturated polyester, polyurethane, coating, adhesive 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
Chemical Name Trimethylolpropane
Abbreviation TMP
CAS No. 77-99-6Molecular Formula C₆H₁₄O₃
Molecular Weight 134.17
EINECS No. 201-074-9
Synonym 2-Ethyl-2-(hydroxymethyl)-1,3-propanediol, 1,1,1-Tris(hydroxymethyl)propane
Chemphysical Properties
Appearance: White crystalline flakesOdor: Odorless
Density: 1.176 g/cm³ @20℃
Melting Point: 58–61 ℃
Boiling Point: 295 ℃
Flash Point: 172 ℃
Solubility: Easily soluble in water, ethanol, acetone; slightly soluble in benzene, chloroform; hygroscopic
Character: Trifunctional hydroxyl compound, excellent crosslinking capability, improves hardness, gloss and weather resistance of cured resin
Quality Specification
| Item | Specification (Industrial Grade) |
|---|---|
| Assay (GC) | ≥99.0% |
| Melting Range | 58.0 ~ 61.0 ℃ |
| Moisture | ≤0.20% |
| Acid Value | ≤0.05 mgKOH/g |
| Ash Content | ≤0.03% |
| Color (Pt-Co) | ≤20 |
Use & Application
Coating & resin: Raw material for alkyd resin, saturated polyester resin, powder coating and high solid coating, enhance coating hardness, gloss and weather resistance
Polyurethane: Polyether/polyester polyol monomer for PU elastomer, PU foam, PU adhesive
Synthetic lubricant: Base material for high temperature resistant synthetic lubricating oil
Others: Crosslinking agent for radiation curing monomer, plasticizer, PVC heat stabilizer intermediate
Packing
25kg kraft paper bag with inner PE liner;
IBC bulk bag available on request.
Custom packing can be arranged.
Delivery & Storage
Store in cool, dry and ventilated warehouse. Keep bags tightly sealed to avoid moisture absorption. Separate from strong oxidants and acids. Recommended storage temperature below 30℃. Shelf life 12 months under proper storage. Prevent dust generation during handling.
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