PRODUCT DATA SHEET (TDS)
1. Product Identification
| Item | Details |
| Product Name | Trimethylolpropane (TMP) |
| CAS No. | 77-99-6 |
| Molecular Formula | C₆H₁₄O₃ |
| Molecular Weight | 134.17 g/mol |
| Appearance | White flake or tiny coloured crystal |
2. Typical Specifications
| Analysis Item | Unit | Standard | Typical Test Result |
| Appearance | – | White flake or tiny coloured crystal | White flake / crystalline solid |
| Purity | % | ≥ 98.5 | 99.4 |
| Hydroxyl Value | % | ≥ 37.5 | 37.85 |
| Acidity (as formic acid) | % | ≤ 0.002 | 0.002 |
| Moisture | % | ≤ 0.05 | 0.045 |
| Ash Content | % | ≤ 0.005 | 0.002 |
| Melting Point | ℃ | 56–59 | 57.8–58.6 |
| Color (Pt-Co/APHA) | – | ≤ 10 | 5 |
3. Physical & Chemical Properties
| Item | Details |
| Melting Point | 56–59 ℃ |
| Boiling Point | 295 ℃ |
| Flash Point | 180 ℃ (closed cup) |
| Density | 1.08 g/cm³ (20 ℃) |
| Solubility | Soluble in water, alcohols, ketones; slightly soluble in hydrocarbons |
| Stability | Stable under normal conditions; avoid strong oxidizing agents and acids |
4. Applications
- Key polyol raw material for producing high-grade alkyd resins, polyurethane foams, and polyester polyols.
- Used in the synthesis of waterborne coatings, powder coatings, and synthetic lubricants, improving hardness and weather resistance.
- Applied in the manufacturing of plasticizers, synthetic leather, and adhesives, enhancing thermal stability and mechanical strength.
- Serves as a crosslinking agent in polymer production, increasing the crosslink density and performance of the final product.
5. Packaging & Storage
- Packaging: 25kg paper bags or 500kg flexible big bags.
- Storage: Store in a cool, dry, well-ventilated warehouse. Keep away from moisture, heat sources, and incompatible materials.
- Shelf Life: 24 months under proper storage conditions.
6. Safety & Handling
- Use standard personal protective equipment (safety goggles, chemical-resistant gloves, and dust masks) during handling.
- Avoid inhalation of dust and direct contact with skin and eyes.
- In case of contact, rinse immediately with plenty of water and seek medical advice if irritation persists.
- Refer to the product SDS for detailed safety, handling, and disposal instructions.
