Structural formula
Business number | 022S |
---|---|
Molecular formula | C21H28N2O |
Molecular weight | 324.46 |
label |
4,4′-Bis(diethylamino)benzophenone, Tetraethyl Michler’s ketone, [(C2H5)2NC6H4]2CO |
Numbering system
CAS number:90-93-7
MDL number:MFCD00009044
EINECS number:202-025-4
RTECS number:OS9545500
BRN number:2148611
PubChem number:24848832
Physical property data
1. Properties: Yellow fine leaf-like crystals
2. Density (g/mL, 25/4℃): Undetermined
3. Relative steam density ( g/mL, air = 1): Undetermined
4. Melting point (ºC): 96.5
5. Boiling point (ºC, normal pressure): Undetermined
6. Boiling point (ºC, 5.2kPa): Not determined
7. Refractive index: Undetermined
8. Flash point (ºC): 151
9. Specific rotation (º): Undetermined
10. Autoignition point or ignition temperature (ºC): Undetermined
11. Vapor pressure (kPa, 25ºC): Undetermined
12. Saturated vapor pressure (kPa, 60ºC): Undetermined
13. Heat of combustion (KJ/mol): Undetermined
14. Critical temperature (ºC): Undetermined
15. Critical pressure (KPa): Undetermined
16. Log value of oil-water (octanol/water) partition coefficient: Undetermined
17. The upper limit of explosion (%, V/V): Undetermined
18. The lower limit of explosion (%, V/V): Undetermined
19. Solubility: soluble in ethanol.
Toxicological data
None
Ecological data
None
Molecular structure data
1. Molar refractive index: 103.20
2. Molar volume (cm3/mol): 309.5
3. Isotonic specific volume (90.2K ): 790.0
4. Surface tension (dyne/cm): 42.4
5. Polarizability (10-24cm3): 40.91
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: 3
4. Number of rotatable chemical bonds: 8
5. Number of tautomers: none
6. Topological molecule polar surface area 23.6
7. Number of heavy atoms: 24
8. Surface charge: 0
9. Complexity: 326
10. Number of isotope atoms: 0
11. Determine the number of atomic stereocenters: 0
12. Uncertain number of atomic stereocenters: 0
13. Determined number of chemical bond stereocenters: 0
14. Uncertain chemical bond stereocenters Quantity: 0
15. Quantity of covalent bond units: 1
Properties and stability
None
Storage method
This product should be kept sealed.
Synthesis method
It is obtained by the reaction of N,N-diethylaniline and phosgene, and can also be synthesized by oxidation method.
Purpose
It is mainly used to synthesize triarylmethane dyes, such as basic brilliant blue BO; it can also be used as a photosensitizer in the film industry; as a special optical material in the microelectronics industry; and it can also be used as a rubber cross-linking agent.