4731-65-1
Tris-(2-methoxyphenyl)-phosphine
CAS: 4731-65-1
Molecular Formula: C21H21O3P
4731-65-1 - Names and Identifiers
| Name | Tris-(2-methoxyphenyl)-phosphine |
| Synonyms | Tri(o-anisyl)phosphine TRIS(O-ANISYL)PHOSPHINE TRIS-(2-ANISYL)PHOSPHINE TRI(2-METHOXYPHENYL)PHOSPHINE Tris(o-methoxyphenyl)phosphine tris(2-methoxyphenyl)phosphane TRIS(O-METHOXYPHENYL)PHOSPHINE Tris(2-methoxyphenyl)phosphine TRIS(2-METHOXYPHENYL)PHOSPHINE Tris-(2-methoxyphenyl)-phosphine Phosphine, tris(2-methoxyphenyl)- |
| CAS | 4731-65-1 |
| EINECS | 225-235-8 |
| InChI | InChI=1/C21H21O3P/c1-22-16-10-4-7-13-19(16)25(20-14-8-5-11-17(20)23-2)21-15-9-6-12-18(21)24-3/h4-15H,1-3H3 |
| InChIKey | IIOSDXGZLBPOHD-UHFFFAOYSA-N |
4731-65-1 - Physico-chemical Properties
| Molecular Formula | C21H21O3P |
| Molar Mass | 352.36 |
| Melting Point | 204-208 °C |
| Boling Point | 477.3±40.0 °C(Predicted) |
| Flash Point | 302.5°C |
| Water Solubility | Slightly soluble in water. |
| Vapor Presure | 8.19E-09mmHg at 25°C |
| Appearance | White powder or crystal |
| Color | Colorless to yellow or pale orange |
| BRN | 2776186 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Air Sensitive |
| MDL | MFCD00014892 |
4731-65-1 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| TSCA | No |
| HS Code | 29319090 |
4731-65-1 - Reference Information
| Introduction | Tris (2-methoxyphenyl) phosphine is abbreviated as TOMPP, O-Anisyl3P, which can be prepared by the reaction of anisole and phosphorus trichloride. It has been reported that it can be used to prepare a new luminescent material of cuprous complex. |
| Preparation | Connect a 2-liter reaction vessel equipped with a thermometer, a mechanical stirrer, a drip funnel and a reflux condenser to an inert gas source, and fill 113g(1.04mol) of anisole and 250 ml of MTBE. After degassing, 440ml(0.70mol) of n-butyl lithium (1.6M in hexane) was added within 1 hour, during which the temperature gradually increased to reflux temperature (about 60°C). After holding at this temperature for 16 hours, the reactor contents were cooled to ambient temperature (at this time, GC analysis showed that the conversion rate of n-butyl lithium was> 99%, and the corresponding amount of 2-thioanisole was formed). Next, a mixture of 100ml of MTBE and 19.3ml(31.0g,0.225mol) of phosphorus trichloride is added at a rate that the temperature of the reaction mixture does not exceed 30°C. After the addition is complete, the white/yellow suspension is stirred for a further 4 hours. Subsequently, 30ml of water was added and the white precipitate was filtered out. Next, the white solid was washed with methanol (2 × 200ml), filtered, and dried under vacuum (1mbar,60°C). Yield: 63.4g(80%) fine white powder, according to 1H NMR and 31P NMR, it is> 99% pure TOMPP. |
Last Update：2024-04-10 22:29:15
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4731-65-1
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33670-32-5
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61693-42-3
36476-89-8
41653-95-6
37209-23-7
33670-32-5
1000801-76-2
91796-57-5
180695-79-8
18105-31-2