Tri(ethylene glycol) monoethyl ether
Structural formula
| Business number | 035X |
|---|---|
| Molecular formula | C8H18O4 |
| Molecular weight | 178.23 |
| label |
Triethylene glycol ether, 2-[2-(2-ethoxyethoxy)ethoxy]ethanol, 2-(2-(2-Ethoxyethoxy)ethoxy)-ethanol, Ethyltriglycol, C2H5OC2H4OC2H4OC2H4OH, straight chain compounds, Multifunctional solvent |
Numbering system
CAS number:112-50-5
MDL number:MFCD00020605
EINECS number:203-978-9
RTECS number:KK8950000
BRN number:1700466
PubChem number:24880449
Physical property data
1. Properties: Colorless and odorless viscous liquid.
2. Boiling point (ºC, 101.3kPa): 256
3. Melting point (freezing point) (ºC): -18.7
4. Relative density (g /mL, 20/20ºC): 1.0208
5. Refractive index (20ºC): 1.4376
6. Viscosity (mPa·s, 20ºC): 7.8
7. Flash point (ºC, open): 135
8. Heat of evaporation (KJ/mol): 53.6
9. Specific heat capacity (J/(kg·K)): 2.18
10. Vapor pressure (kPa, 20ºC): 0.00133
11. Vapor pressure (kPa, 130ºC): 1.33
12. Vapor pressure (kPa ,167ºC): 6.67
14. Solubility: miscible with water. Soluble 2% in heptane at 20°C.
Toxicological data
It is slightly toxic and has almost no irritation to eyes and skin. The oral LD50 in rats is 10.6g/kg. Rabbit transdermal LD50 is 8mL/kg.
Ecological data
Molecular structure data
1. Molar refractive index: 45.88
2. Molar volume (cm3/mol): 177.1
3. Isotonic specific volume (90.2K ): 426.1
4. Surface tension (dyne/cm): 33.4
5. Polarizability (10-24cm3): 18.18
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): None
2. Number of hydrogen bond donors: 1
3. Number of hydrogen bond acceptors: 4
4. Number of rotatable chemical bonds: 9
5. Number of tautomers: none
6. Topological molecule polar surface area 47.9
7. Number of heavy atoms: 12
8. Surface charge: 0
9. Complexity: 77.5
10. Number of isotope atoms: 0
11. Determine the number of atomic stereocenters: 0
12. Uncertain number of atomic stereocenters: 0
13. Determine the number of chemical bond stereocenters.Quantity: 0
14. Number of uncertain chemical bond stereocenters: 0
15. Number of covalent bond units: 1
Properties and stability
None
Storage method
None
Synthesis method
None
Purpose
Used as solvent.