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Preparation Method:
\nAdd 100g (1.53mol) of zinc amalgam, 250ml of concentrated hydrochloric acid and 50ml of water into the reaction bottle equipped with stirrer, reflux condenser and vent pipe (extending into the bottom of the bottle), add 40g (0.35mol) of octanone-2 (2) under stirring, and slowly inject hydrogen chloride gas. If the reaction is too violent, the hydrogen chloride gas can be suspended. After 2-3H, most of the zinc amalgam reaction was completed, hydrogen chloride was stopped and placed overnight. Remove the agitator and change to steam distillation unit for steam distillation until the distillate is transparent. The upper oil layer was separated, washed twice with distilled water, fractionated after drying with anhydrous sodium sulfate, and the fraction at 124-126 \u2103 was collected to obtain 26G octane (1) with a yield of 58%.<\/p>\n

Product Name: n-Octane
\nProduct Properties and Uses: pharmaceutical intermediates;
\nCategory: pharmaceutical intermediates;
\n<\/p>\n

1. It is mainly used as a component of solvent gasoline and industrial gasoline. Other solvents used for printing ink solvent, diluent of solvent for coating, solvent for butyl rubber, solvent for olefin polymerization and other organic reactions. 2. It is used as solvent and chromatographic reference material, as well as organic synthesis.<\/p>\n
Applications of n-Octane<\/span><\/div>\n<\/blockquote>\n<\/div>\n
CAS No.: 111-65-9
\nMDL No.: mfcd00009556
\nEINECS No.: 203-892-1
\nRTECS No.: rg8400000
\nBRN No.: 1696875
\nPubChem No.: 24857891<\/p>\n
Physical Data and Uses of n-Octane<\/h2>\n
n-Octane is an organic substance, colorless and transparent liquid.
\nIt is one of the components of industrial gasoline. It can also be used as solvent and organic synthetic raw material.
\nMain Uses:
\n1. It is mainly used as a component of solvent gasoline and industrial gasoline. Other solvents used for printing ink solvent, diluent of solvent for coating, solvent for butyl rubber, solvent for olefin polymerization and other organic reactions.
\n2. It is used as solvent and chromatographic reference material, as well as organic synthesis.<\/p>\n
Physical Data:
\n1. Properties: colorless transparent liquid[
\n2. Melting point (\u2103): \u2013 56.8
\n3. Boiling point (\u2103): 125.6
\n4. Relative density (water = 1): 0.70
\n5. Relative vapor density (air = 1): 3.94
\n6. Saturated vapor pressure (kPa): 1.33 (20 \u2103)
\n7. Combustion heat (kJ \/ mol): \u2013 5445.3
\n8. Critical temperature (\u2103): 296
\n9. Critical pressure (MPA): 2.49
\n10. Octanol \/ water partition coefficient: 4.00 ~ 5.18
\n11. Flash point (\u2103): 13 (CC); 22 (OC)
\n12. Ignition temperature (\u2103): 206
\n13. Upper explosion limit (%): 6.5
\n14. Lower explosive limit (%): 1.0
\n15. Solubility: insoluble in water, soluble in ethanol, ether, benzene, acetone and other organic solvents.
\n16. Viscosity (20 \u00ba C, MPA \u00b7 s): 0.5466
\n17. Viscosity (25 \u00ba C, MPA \u00b7 s): 0.5151
\n18. Heat of evaporation (25 \u2103, kJ \/ mol): 41.512
\n19. Heat of evaporation (B.P., kJ \/ mol): 34.390
\n20. Heat of evaporation (25 \u2103, kJ \/ mol): 41.512
\n21. Heat of evaporation (B.P., kJ \/ mol): 34.390
\n22. Heat of dissolution (kJ \/ mol): 20.754
\n23. Heat of formation (liquid, kJ \u00b7 mol): -250.12
\n24. Heat of formation (gas, kJ \u00b7 mol): -208.59
\n25. Total calorific value of combustion (kJ \/ mol): 5474.36
\n26. Minimum calorific value of combustion (kJ \/ mol): 2077.96
\n27. Specific heat capacity (ideal liquid, 25 \u00ba C, constant pressure) \/ [kJ \/ (kg \u00b7 K)]: 1.65
\n28. Specific heat capacity (liquid, 25 \u2103, 101.3 kPa) \/ [kJ \/ (kg \u00b7 K)]: 2.23
\n29. Thermal conductivity (20 \u2103) \/ [MW \/ (m \u00b7 K)]: 131.047
\n30. Thermal conductivity (30 \u2103) \/ [MW \/ (m \u00b7 K)]: 128.250
\n31. Volume expansion coefficient (15.6 \u2103) \/ k-1: 11.16 \u00d7 10\u20134
\n32. Aniline point (\u00ba C): 70.6
\n33. Critical density (g \u00b7 cm-3): 0.232
\n34. Critical volume (cm3 \u00b7 mol-1): 492
\n35. Critical compression factor: 0.259
\n36. Eccentricity factor: 0.369
\n37. Lennard Jones parameter (a): 7.3491
\n38. Lennard Jones parameter (k): 314.25
\n39. Solubility parameter (J \u00b7 cm-3) 0.5:15.360
\n40. Van der Waals area (cm2 \u00b7 mol-1): 1.234 \u00d7 one thousand and ten
\n41. Van der Waals volume (cm3 \u00b7 mol-1): 88.720
\n42. Standard combustion heat (enthalpy) of gas phase (kJ \u00b7 mol-1): \u2013 5512.0
\n43. Gas phase standard claimed heat (enthalpy) (kJ \u00b7 mol-1): \u2013 208.5
\n44. Standard entropy of gas phase (J \u00b7 mol-1 \u00b7 k-1): 467.35
\n45. Standard free energy of formation in gas phase (kJ \u00b7 mol-1): 16.6
\n46. Gas phase standard hot melt (J \u00b7 mol-1 \u00b7 k-1): 187.78
\n47. Standard combustion heat (enthalpy) of liquid phase (kJ \u00b7 mol-1): -5470.50
\n48. Standard declared heat (enthalpy) of liquid phase (kJ \u00b7 mol-1): -250.04
\n49. Standard entropy of liquid phase (J \u00b7 mol-1 \u00b7 k-1): 361.12
\n50. Standard free energy of formation in liquid phase (kJ \u00b7 mol-1): 6.32
\n51. Liquid phase standard hot melt (J \u00b7 mol-1 \u00b7 k-1): 255.68<\/p>\n<\/body>","protected":false},"excerpt":{"rendered":"
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