Tri-2,4-xylylphosphine

Tri-2,4-xylylphosphine - Names and Identifiers

Name	Tris(2,4-dimethylphenyl)phosphine
Synonyms	TXP-2,4 Tri-2,4-xylylphosphine Tris(2,4-xylyl)phosphine tris(2,4-dimethylphenyl)phosphane Tris(2,4-dimethylphenyl)phosphine TRIS(2,4-DIMETHYLPHENYL)PHOSPHINE Phosphine, tris(2,4-dimethylphenyl)- Tris(2,4-dimethylphenyl)phosphine(TXP-2,4) TRIS(2,4-DIMETHYLPHENYL)PHOSPHINE fandachem
CAS	49676-42-8
EINECS	686-978-5
InChI	InChI=1/C24H27P/c1-16-7-10-22(19(4)13-16)25(23-11-8-17(2)14-20(23)5)24-12-9-18(3)15-21(24)6/h7-15H,1-6H3

Tri-2,4-xylylphosphine - Physico-chemical Properties

Molecular Formula	C24H27P
Molar Mass	346.44
Melting Point	157-158°C
Boling Point	447.6±45.0 °C(Predicted)
Flash Point	237.675°C
Vapor Presure	0mmHg at 25°C
Appearance	Powder
Color	white
Storage Condition	Inert atmosphere,Room Temperature
MDL	MFCD09039068

Tri-2,4-xylylphosphine - Risk and Safety

Hazard Symbols	Xn - Harmful
Risk Codes	R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

Tri-2,4-xylylphosphine - Introduction

Tris(2,4-dimethylphenyl)phosphine is an organophosphorus compound with the chemical formula (C6H3(CH3)2)3P. The following is a description of the properties, uses, preparation and safety information of the compound:

Nature:
1. Appearance: Tris(2,4-dimethylphenyl) is phosphine a colorless crystal or solid.
2. Melting point: The melting point of this compound is about 123-129°C.
3. Solubility: Soluble in common organic solvents.

Use:
1. Catalyst: Tris(2,4-dimethylphenyl)phosphine is widely used as a ligand in organic synthesis, especially in metal-catalyzed reactions, such as carbonylation, halogenation and reduction reactions.
2. Flame retardant: The compound has good flame retardant properties and can be used as a flame retardant for polymers.

Preparation Method:
Tris(2,4-dimethylphenyl)phosphine can be prepared by the following steps:
1. Using an organic solvent such as n-hexane as a reaction medium, 2,4-xylylboronic acid and triethylaminoborane are reacted under a nitrogen atmosphere to obtain a precursor compound of Tris(2,4-dimethylphenyl)phosphine.
2. The precursor compound is subjected to hydrogenation reaction under hydrogen atmosphere to obtain the final Tris (2,4-dimethy1 phenyl)phosphine product.

Safety Information:
1. Tris(2,4-dimethylphenyl)phosphine has low toxicity, but it is still necessary to take appropriate safety measures during operation, such as wearing protective gloves and glasses.
2. The compound may be potentially harmful to the water environment and needs to be avoided from entering the water body.
3. For safety reasons, it is recommended to handle the compound in a well-ventilated environment.

Last Update：2024-04-10 22:29:15