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Tri-m-tolylphosphine

Tri-m-tolylphosphine structure

CAS No:
6224-63-1
Formula:
C21H21P
Chemical Name:
Tri-m-tolylphosphine
Synonyms:
Phosphine,tris(3-methylphenyl)-;Phosphine,tri-m-tolyl-;Tris(3-methylphenyl)phosphine;Tri-m-tolylphosphine;Tris(m-methylphenyl)phosphine;Tris(m-tolyl)phosphine;Tris(3-tolyl)phosphine;Tris(3-toluene)phosphine;TMTP
Categories:
Organic Chemistry > Phosphines

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Description

white to light yellow crystal powde

Tri-m-tolylphosphine Basic Attributes

Molecular Weight：

304.37

Exact Mass：

304.37

BRN：

658863

EC Number：

228-312-4

UNII：

SAQ9Z5ZSC8

DSSTox ID：

DTXSID3064146

HScode：

2902909090

Characteristics

PSA：

XLogP3：

5.7

Appearance：

white crystal

Melting Point：

100 °C

Boiling Point：

423.1°C at 760 mmHg

Flash Point：

221.6±34.7 °C

Water Solubility：

Insoluble in water.

Safety Information

wgk germany：

hazard class code：

36/37/38-38-37-36

safety instructions：

26-36

Marks：

Precautionary statement(s)：

P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501

Hazard Statements：

H315

GHS Classification：

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 78 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Tri-m-tolylphosphine Use and Manufacturing

Methods of Manufacturing

General procedure: To a mixture of Mg powder (8 mmol, 4 mol equiv), Me3SiCl (6 mmol, 3 mol equiv), and DMI (8 mL) was added 2a (2 mmol), and the whole mixture was stirred for 2 h at room temperature. To the reaction mixture was added satd aq (NH4)2CO3, and the mixture was extracted with Et2O (10 mL 3). The combined organic layers were washed with satd aq NaCl, dried over Na2SO4, and concentrated under reduced pressure. The resultant was analyzed by 31P NMR to find that 1a and 2a were obtained in 97:3 ratio. The desired 1a was obtained in 96percent yield after purification by silica gel column chromatography (hexane/AcOEt = 5:1) (Table 1, entry 1).

Uses

suzuki reaction

Manufacturing Info：

Phosphine, tris(3-methylphenyl)-: ACTIVE

Computed Properties

Molecular Weight:304.4
XLogP3:5.7
Rotatable Bond Count:3
Exact Mass:304.138087668
Monoisotopic Mass:304.138087668
Heavy Atom Count:22
Complexity:287
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Tetrahydrofuran

Ethyl acetate

Ethanol

Hydrochloric acid

Phosphorus trichloride

PETROLEUM ETHER

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