Triethyl orthoformate CAS NO.: 122-51-0 Molecular Formula: C7H16O3 Molecular Weight: 148.2 Density:0.891 g/cm3 Melting Point:-76 °C(lit.) Boiling Point:142.5 °C at 760 mmHg Flash Point:30 °C Solubility:1.35 g/L in water Purity:98% Appearance:colorless liquid; with spicy odor. Stability: Stable under normal temperatures and pressures. Usage: Used to make other chemicals.