Product name: 1,4-Butanediol Other name: Tetramethylene Glycol CAS No.: 110-63-4 EINECS No.: 203-786-5 Molecular formula: C4H10O2 Molecular weight: 90.121 Exact mass: 90.068077 Density: 1.0±0.1 g/cm3 Boiling point: 228.0±0.0 °C at 760 mmHg Melting point: 20 °C Flash point: 105.9±13.0 °C PSA: 40.46000 LogP: -1.02 Vapour density: 3.1 (vs air) Vapour pressure: 0.0±1.0 mmHg at 25°C Index of Refraction: 1.441 Acidity coefficient: 14.73±0.10(Predicted) PH Value: 7-8 (500g/l, H2O, 20℃) Solubility: Miscible. Slightly soluble in ether, miscible with water, soluble in ethanol and so on. Stability: Stable. Combustible. Incompatible with strong oxidizing agents, mineral acids, acid chlorides, acid anhydrides. Storage condition: Store below +30°C. Sensitivity: Hygroscopic Explosive limit value: 1.95-18.3%(V)