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Propylene Glycol
|
|
Alias | 1,2-Propanediol |
| Molecular Formula | C3H8O2 | |
| Cas No | 57-55-6 | |
| Packing | 215kg/drum | |
| Transport Code For Dangerous Goods | - | |
| H.S.Code No | 2905.3200 | |
| Inquiry | Inquiry |
|
Properties |
Unit |
Specification |
|
Appearance |
- |
Colorless transparent liquid |
|
Content |
% |
≥ 99.5 |
|
Moisture |
% |
≤ 0.1 |
|
Color |
APHA |
≤ 10 |
|
Density |
(25℃)g/cm3 |
1.035-1.039 |
1. traits: colorless viscous and stable water-absorbing liquid, almost odorless, flammable, low toxicity.
2. Boiling point (ºC, 101.3 kPa): 187.3
3. Melting point (ºC, pour point): - 60
4. Relative density (g / mL, 20 / 20ºC): 1.0381
5. Relative density (20 ℃, 4 ℃): 1.0362
6. Refractive index (n20ºC): 1.4329
7. Viscosity (mPa · s, 0ºC): 243
8. Viscosity (mPa · s, 20ºC): 56.0
9. Viscosity (mPa · s, 40ºC): 18
10. Flash point (ºC, closed): 98.9
11. Flash point (ºC, opening): 107
12.Burn point (ºC): 421.1
13. Burning heat (KJ / mol, constant pressure): 1827.5
14. Heat of combustion (KJ / mol, constant volume): 1825.0
15. Heat of combustion (KJ / mol, 20ºC, 101.3kPa): 1853.1
16. Evaporative heat (KJ / kg): 538.1
17. Heat of formation (KJ / mol, 20ºC): 500.3
18. Specific heat capacity (KJ / (kg · K), 20ºC, constant pressure): 2.48
19. Critical temperature (ºC): 351
20. Critical pressure (MPa): 5.9
21. Thermal Conductivity (W / (m · K)): 0.217714
22. Lower explosion limit (%, V / V): 2.6
23. Upper explosion limit (%, V / V): 12.5
24. Body Expansion Coefficient (K-1, 20ºC): 0.000695
25. Body Expansion Coefficient (K-1,55ºC): 0.000743
26. Vapor pressure (kPa, 55ºC): 0.19
27. Solubility: with water, ethanol, ether, chloroform, acetone and other organic solvents miscible. On the hydrocarbons, chlorinated hydrocarbons, oil solubility is small, but stronger than ethylene glycol solubility.
28. Relative density (25 ℃, 4 ℃): 1.0328
29. Room temperature refractive index (n25): 1.4314
30. Solubility Parameter (J · cm-3) 0.5: 29.516
31. van der Waals area (cm2 · mol-1): 6.960 × 109
32. van der Waals volume (cm3 · mol-1): 46.760
33. Gas-phase standard heat of combustion (enthalpy) (kJ · mol-1): - 1902.55
34. Gas standards claim heat (enthalpy) (kJ · mol-1): -421.29
35. Liquid standard heat of combustion (enthalpy) (kJ · mol-1): - 1838.14
36. The liquid phase standard claims heat (enthalpy) (kJ · mol-1): - 485.72
37. Liquid standard hot melt (J · mol-1 · K-1): 189.9
Propylene glycol Unsaturated polyester resins, plasticizers, surfactants, emulsifiers and demulsifiers that can be used as raw materials. Can be used as antifungal agents, fruit ripening agents, preservatives, antifreeze and tobacco humectants.