Toluene diisocyanate manufacturer Knowledge Triphenylethylene Triphenylethylene

Triphenylethylene Triphenylethylene

Tristyrene structural formula

Structural formula

Business number 019S
Molecular formula C20H16
Molecular weight 256.34
label

triphenylethylene

Numbering system

CAS number:58-72-0

MDL number:MFCD00004765

EINECS number:200-395-1

RTECS number:KX4920000

BRN number:1867462

PubChem number:24900519

Physical property data

1. Character: Flake crystal.


2. Density ( g/mL,25/4℃) :1.0373


3. Relative vapor density (g/mL,AIR=1): Undetermined


4. Melting point ( ºC): 72~73


5. Boiling point ( ºC,Normal pressure): Undetermined


6. Boiling point ( ºC, 1.87kPa): 220221


7. Refractive index: 1.6292


8. Flashpoint (ºC): Undetermined


9. Specific optical rotation (º): Undetermined


10. Autoignition point or ignition temperature (ºC): Not OK


11. Vapor pressure (kpa,20º C): 11.9102kPa


12. 2. Molar volume (m3/mol):239.0


3. isotonic specific volume (90.2K):616.5


4. Surface Tension (dyne/cm):44.2


5. Dielectric constant ( F/m):2.89


6. Polarizability(10-24cm3): 34.36

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 6.1

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 0

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: none

6. Topological molecule polar surface area 0

7. Number of heavy atoms: 20

8. Surface charge: 0

9. Complexity: 276

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

None

Storage method

This product should be sealed and stored in a cool place.

Synthesis method

None

Purpose

Organic synthesis.

0

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: None

6. Topological molecular polar surface area 0

p>

7. Number of heavy atoms: 20

8. Surface charge: 0

9. Complexity: 276

10. Number of isotope atoms :0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the chemical bond configuration Number of centers: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None

Storage method

This product should be sealed and stored in a cool place.

Synthesis method

None

Purpose

Organic synthesis.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/22634

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