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Glycerin
The propanol, but also glycerol, chemical formula is C3H8O3, colorless, odorless, sweet, and appearance showing a clear liquid, is an organic substance, can absorb moisture from air, can also absorb hydrogen sulfide, hydrogen cyanide and sulfur dioxide . It is difficult to dissolve in benzene, chloroform, carbon tetrachloride, dioxide, petroleum ether, and oil, and the skeleton component of the triglyceride molecule.
1. Properties: Colorless and odorless viscous liquids, sweet tastes.
2. Boiling point: 290 ° C AT 760mmHg
3. Melting point: 18.17 ° C
4. Relative density (20oC): 1.2613
5. Relative density (25oC): 1.2551
6. Refractive index (15oC): 1.47547
7. Refractive (20oC): 1.4746
8. Refractive (25oC): 1.4730
9. Viscosity (20oC): 1500 mpa · s
10. Viscosity (25oC): 800 Mpa · S
11. Viscosity (30oC): 600 mpa · s
12. Viscosity (50oC): 150 Mpa · S
13. Flash point: 177 ° C (open cup)
14. Generate heat (15oC): 669.05kj / mol
15. Combustion (25oC): 1656.42KJ / MOL
16. Comparison of heat capacity (15oC): 2.46 kJ / (kg · k)
17. Conductivity (20oC): 1.0 × 10-8 S / m
18. Thermal conductivity: 0.29W / (m · k
19. Vapor pressure (125.5oC): 0.13kpa
20. Body expansion coefficient: 0.000615k-1
21. Solubility: Ability to absorb hydrogen sulfide, hydrocyanic acid, sulfur dioxide. It can be miscible with water, ethanol, 1 part is soluble in 11 parts of ethyl acetate, about 500 parts of diethyl ether, insoluble in benzene, diocarbonated carbon, trichloromethane, carbon tetrachloride, petroleum ether, chloroform, oil.
