Toluene diisocyanate manufacturer Knowledge Tri(ethylene glycol) monoethyl ether

Tri(ethylene glycol) monoethyl ether

Triethylene glycol monoethyl ether structural formula

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.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/26149

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