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| CAS No.: | 75980-60-8 |
|---|---|
| Name: | Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide |
| Article Data: | 36 |
| Molecular Structure: | |
|
|
|
| Formula: | C22H21O2P |
| Molecular Weight: | 348.381 |
| Synonyms: | TPO;Methanone,(diphenylphosphinyl)(2,4,6-trimethylphenyl)-; |
| EINECS: | 278-355-8 |
| Density: | 1.17 g/cm3 |
| Melting Point: | 88-92 °C |
| Boiling Point: | 519.6 °C at 760 mmHg |
| Flash Point: | 268.1 °C |
| Solubility: | 3.4mg/L at 20℃ |
| Appearance: | white or cream powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22 |
| Safety: | 22-24/25 |
| PSA: | 43.95000 |
| LogP: | 4.76610 |
(2,4,6-trimethylbenzoyl)diphenylphosphine oxide
| Conditions | Yield |
|---|---|
| With manganese(IV) oxide In dichloromethane at 20℃; | 98% |
| With vanadium(V) oxide; dihydrogen peroxide at 8 - 25℃; for 3.5h; Reagent/catalyst; Green chemistry; | 96% |
| With tert.-butylhydroperoxide In dichloromethane at 5 - 20℃; for 6.5h; Reagent/catalyst; | 92.5% |
mesytaldehyde
Diphenylphosphine oxide
(2,4,6-trimethylbenzoyl)diphenylphosphine oxide
| Conditions | Yield |
|---|---|
| Stage #1: mesytaldehyde; Diphenylphosphine oxide In dichloromethane for 6h; Green chemistry; Stage #2: With ammonium metavanadate; dihydrogen peroxide at 8 - 20℃; for 5.5h; Reagent/catalyst; Green chemistry; | 98% |
diphenyl n-pentyloxyphosphine
mesitylene-2-carboxylic acid chloride
(2,4,6-trimethylbenzoyl)diphenylphosphine oxide
| Conditions | Yield |
|---|---|
| at 50 - 90℃; for 9.33333h; | 95.8% |
(sec-butyloxy)di(phenyl)phosphine
mesitylene-2-carboxylic acid chloride
(2,4,6-trimethylbenzoyl)diphenylphosphine oxide
| Conditions | Yield |
|---|---|
| at 50 - 90℃; for 7.33333h; | 95.6% |
Ethyl diphenylphosphinite
mesitylene-2-carboxylic acid chloride
(2,4,6-trimethylbenzoyl)diphenylphosphine oxide
| Conditions | Yield |
|---|---|
| at 40 - 90℃; for 8h; Time; Green chemistry; | 95.1% |
| With N,N-dimethyl-cyclohexanamine at 80 - 85℃; Product distribution / selectivity; |
diphenyl n-propoxyphosphine
mesitylene-2-carboxylic acid chloride
(2,4,6-trimethylbenzoyl)diphenylphosphine oxide
| Conditions | Yield |
|---|---|
| at 50 - 90℃; for 7.33333h; | 95.1% |
diphenyl sec-pentyloxyphosphine
mesitylene-2-carboxylic acid chloride
(2,4,6-trimethylbenzoyl)diphenylphosphine oxide
| Conditions | Yield |
|---|---|
| at 50 - 90℃; for 7.33333h; | 94.9% |
(n-butyloxy)di(phenyl)phosphine
mesitylene-2-carboxylic acid chloride
(2,4,6-trimethylbenzoyl)diphenylphosphine oxide
| Conditions | Yield |
|---|---|
| at 50 - 90℃; for 9.33333h; | 94.8% |
(2,4,6-trimethylbenzyl)diphenylphosphine oxide
(2,4,6-trimethylbenzoyl)diphenylphosphine oxide
| Conditions | Yield |
|---|---|
| With tert.-butylhydroperoxide; bis(acetylacetonate)oxovanadium In dichloromethane at 20℃; | 94% |
ethanol
chloro-diphenylphosphine
mesitylene-2-carboxylic acid chloride
(2,4,6-trimethylbenzoyl)diphenylphosphine oxide
| Conditions | Yield |
|---|---|
| Stage #1: ethanol With sodium In toluene at 65 - 70℃; for 2h; Stage #2: chloro-diphenylphosphine In toluene at 5 - 10℃; for 1h; Stage #3: mesitylene-2-carboxylic acid chloride In toluene at 70 - 75℃; for 5h; Temperature; Solvent; | 92.2% |
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IUPAC Name: Diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone
Following is the structure of 2,4,6-Trimethylbenzoyldiphenylphosphine Oxide (CAS NO.75980-60-8):
Molecular formula: C22H21O2P
Molecular Weight: 348.37 g/mol
EINECS: 278-355-8
Index of Refraction: 1.6
Molar Refractivity: 101.52 cm3
Molar Volume: 296.6 cm3
Density: 1.17 g/cm3
Flash Point: 268.1 °C
Melting point: 88-92 °C(lit.)
Surface Tension: 48.4 dyne/cm
Enthalpy of Vaporization: 79.24 kJ/mol
Boiling Point: 519.6 °C at 760 mmHg
Vapour Pressure: 6.71E-11 mmHg at 25°C
Product Categories of 2,4,6-Trimethylbenzoyldiphenylphosphine Oxide (CAS NO.75980-60-8): Functional Materials; Photopolymerization Initiators; Miscellaneous; Organic Photoinitiators; Polymerization Initiators
Stability of 2,4,6-Trimethylbenzoyldiphenylphosphine Oxide (CAS NO.75980-60-8): Stable. Incompatible with strong oxidizing agents.
Appearance of 2,4,6-Trimethylbenzoyldiphenylphosphine Oxide (CAS NO.75980-60-8): white or cream powder
Canonical SMILES: CC1=CC(=C(C(=C1)C)C(=O)P(=O)(C2=CC=CC=C2)C3=CC=CC=C3)C
InChI: InChI=1S/C22H21O2P/c1-16-14-17(2)21(18(3)15-16)22(23)25(24,19-10-6-4-7-11-19)20-12-8-5-9-13-20/h4-15H,1-3H3
InChIKey: VFHVQBAGLAREND-UHFFFAOYSA-N
Hazard Codes: 
Xn
The Risk Statements information: 22
22: Harmful if swallowed
The Safety Statements information: 22-24/25
22: Harmful if swallowed
24/25: Avoid contact with skin and eyes
WGK Germany:2
2,4,6-Trimethylbenzoyldiphenylphosphine Oxide , its cas register number is 75980-60-8. It also can be called Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide . Its classification code is TSCA Flag P [A commenced PMN (Premanufacture Notice) substance].
