Bis(4-methylphenyl)phosphine oxide

Modify Date: 2025-08-22 23:51:17

Bis(4-methylphenyl)phosphine oxide Structure
Bis(4-methylphenyl)phosphine oxide structure
 Common Name Bis(4-methylphenyl)phosphine oxide
CAS Number 2409-61-2 Molecular Weight 230.242
Density N/A Boiling Point 354.2±45.0 °C at 760 mmHg
Molecular Formula C14H15OP Melting Point 96°C(lit.)
MSDS N/A Flash Point 168.0±28.7 °C

 Names

Name bis(4-methylphenyl)-oxophosphanium
Synonym More Synonyms

 Chemical & Physical Properties

Boiling Point 354.2±45.0 °C at 760 mmHg
Melting Point 96°C(lit.)
Molecular Formula C14H15OP
Molecular Weight 230.242
Flash Point 168.0±28.7 °C
Exact Mass 230.086044
PSA 40.54000
LogP 2.21
Vapour Pressure 0.0±0.8 mmHg at 25°C
Water Solubility Slightly soluble in water.

 Safety Information

Hazard Codes Xi
Risk Phrases 20/21/22
Safety Phrases 26-36/37/39
HS Code 2902909090

 Synthetic Route

Diethyl phosphite structure

Diethyl phosphite

CAS#:762-04-9

~54%

Bis(4-methylphenyl)phosphine oxide Structure

Bis(4-methylphe...

CAS#:2409-61-2

Literature: Takeda Pharmaceutical Company Limited Patent: EP1626052 A1, 2006 ; Location in patent: Page/Page column 6-7 ;
Diethyl phosphite structure

Diethyl phosphite

CAS#:762-04-9

P-TOLYLMAGNESIUM BROMIDE structure

P-TOLYLMAGNESIU...

CAS#:4294-57-9

~89%

Bis(4-methylphenyl)phosphine oxide Structure

Bis(4-methylphe...

CAS#:2409-61-2

Literature: Busacca, Carl A.; Lorenz, Jon C.; Grinberg, Nelu; Haddad, Nizar; Hrapchak, Matt; Latli, Bachir; Lee, Heewon; Sabila, Paul; Saha, Anjan; Sarvestani, Max; Shen, Sherry; Varsolona, Richard; Wei, Xudong; Senanayake, Chris H. Organic Letters, 2005 , vol. 7, # 19 p. 4277 - 4280
Bis(4-methylphenyl)phosphine structure

Bis(4-methylphe...

CAS#:1017-60-3

~61%

Bis(4-methylphenyl)phosphine oxide Structure

Bis(4-methylphe...

CAS#:2409-61-2

Literature: Christiansen, Andrea; Li, Chuanzhao; Garland, Marc; Selent, Detlef; Ludwig, Ralf; Spannenberg, Anke; Baumann, Wolfgang; Franke, Robert; Boerner, Armin European Journal of Organic Chemistry, 2010 , # 14 p. 2733 - 2741
(diethylamino)[bis(4-methylphenyl)]phosphine structure

(diethylamino)[...

CAS#:13685-92-2

~%

Bis(4-methylphenyl)phosphine oxide Structure

Bis(4-methylphe...

CAS#:2409-61-2

Literature: Narsireddy, Meda; Yamamoto, Yoshinori Journal of Organic Chemistry, 2008 , vol. 73, # 24 p. 9698 - 9709
Bis(4-methylphenyl)phosphinous chloride structure

Bis(4-methylphe...

CAS#:1019-71-2

~%

Bis(4-methylphenyl)phosphine oxide Structure

Bis(4-methylphe...

CAS#:2409-61-2

Literature: Journal of the American Chemical Society, , vol. 95, p. 210 - 214
P-TOLYLMAGNESIUM BROMIDE structure

P-TOLYLMAGNESIU...

CAS#:4294-57-9

~%

Bis(4-methylphenyl)phosphine oxide Structure

Bis(4-methylphe...

CAS#:2409-61-2

Literature: J. Gen. Chem. USSR (Engl. Transl.), , vol. 62, # 10.1 p. 2223 - 2230,1833 - 1839

 Customs

HS Code 2902909090
Summary 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 Synonyms

Di-p-tolylphosphine oxide
Bis(4-methylphenyl)phosphine oxide
Phosphorane, bis(4-methylphenyl)-, oxide
Di(p-tolyl)phosphine Oxide
Bis(P-Tolyl)Phosphine Oxide
Bis(p-tolyl)phosphineoxide
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