Structural formula
Business number | 035W |
---|---|
Molecular formula | C8H18O4 |
Molecular weight | 178.23 |
label |
Triethylene glycol dimethyl ether, 1,2-bis(2-methoxyethoxy)ethane, Triethylene glycol dimethyl ether, 1,2-Bis(2-methoxyethoxy)ethane, Dimethyltriglycol, triglyme, plasticizer, Ether and acetal solvents |
Numbering system
CAS number:112-49-2
MDL number:MFCD00008504
EINECS number:203-977-3
RTECS number:XF0665000
BRN number:1700630
PubChem number:24900334
Physical property data
1. Properties: colorless liquid.
2. Relative density (g/mL, 20/4ºC): 0.986
3. Relative vapor density (g/mL, air=1): >4.7
4. Melting point (ºC): -45
5. Boiling point (ºC, normal pressure): 216
6. Refractive index (20ºC): 1.4224
7. Viscosity (mPa·s, 20ºC): 3.8
8. Flash point (ºC, opening): 110
9. Liquid phase standard hot melt (J· mol-1·K-1): 372.5
10. Autoignition point or ignition temperature (ºC): Undetermined
11. Vapor pressure (mmHg, 70ºC): Undetermined
12. Saturated vapor pressure (kPa, ºC): Undetermined
13. Heat of evaporation (KJ/mol) :59.83
14. Solubility parameter (J·cm-3)0.5: 19.175
15. van der Waals Area (cm2·mol-1): 1.474×1010
16. van der Waals volume (cm 3·mol-1): 103.520
17. Explosion upper limit (%, V/V): Undetermined
18. Lower explosion limit (%, V/V): Undetermined
19. Solubility: Miscible with water and hydrocarbon solvents.
Toxicological data
1. Reproductive toxicity: Oral TDLO for female mice after fertilization: 7500mg/kg for 6-15 days
Oral TDLO for female mice after fertilization: 5gm/kg for 6-15 days
Oral TDLO of female mice after fertilization: 28gm/kg for 6-13 days
Oral TDLO for female rabbits after fertilization: 3500mg/kg for 6-19 days
2. Oral LD50 for rats: 2.5~5mg/kg.
Ecological data
This substance may be harmful to the environment, and special attention should be paid to water bodies.
Molecular structure data
1. Molar refractive index: 46.09
2. Molar volume (cm3/mol): 186.0
3. Isotonic specific volume (90.2K ): 429.1
4. Surface tension (dyne/cm): 28.3
5. Polarizability (10-24cm3): 18.27
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): None
2. Number of hydrogen bond donors: 0
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 36.9
7. Number of heavy atoms: 12
8. Surface charge: 0
9. Complexity: 67.5
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: 0
14. Number of uncertain chemical bond stereocenters: 0
15. Number of covalent bond units: 1
Properties and stability
Avoid contact with oxides and moisture. In case of open flame, high heat energy can burn.
Storage method
Stored sealed in a cool, dry place. Make sure the workspace has good ventilation. Keep away from fire sources to prevent explosion. Store away from oxides and water sources.
Synthesis method
None
Purpose
Solvents, special plasticizers.