Molecular Formula: HC(OC2H5)3 | CAS No.: 122-51-0 | UN No.: 2524
Triethyl Orthoformate (TEOF, also known as Triethoxymethane) is a critical chemical raw material with a molecular formula of HC(OC2H5)3 and a molecular weight of 148.20. It appears as a colorless, transparent liquid with a sweet taste.
Physical Properties: Melting point < -18°C, boiling point 146°C, relative density 0.891 (20°C), refractive index 1.392 (20°C), and flash point 30°C. It is miscible (convoluted) with alcohol and ether, and slightly soluble/decomposable in water.
| Test Item | Standard Specification |
|---|---|
| Appearance | Colorless & transparent liquid |
| Content (Purity) | ≥ 99.0% |
| Ethyl Formate | ≤ 0.2% |
| Water | ≤ 0.05% |
| Ethanol | ≤ 0.3% |
| Chroma (APHA) | ≤ 20 |