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(METHOXYMETHYL)DIPHENYLPHOSPHINE OXIDE

CAS No.
4455-77-0
Chemical Name:
(METHOXYMETHYL)DIPHENYLPHOSPHINE OXIDE
Synonyms
diphenyl(methoxymethyl)-phosphineoxid;(METHOXYMETHYL)DIPHENYLPHOSPHINE OXIDE;DIPHENYL(METHOXYMETHYL)PHOSPHINE OXIDE;[Methoxymethyl(phenyl)phosphoryl]benzene;Methoxymethyl(diphenyl)phosphineOxide>Phosphine oxide, (methoxymethyl)diphenyl-;(Methoxymethyl)diphenylphosphine oxide 98%;(METHOXYMETHYL)DIPHENYLPHOSPHINE OXIDE, 98+%;(MethoxyMethyl)diphenylphosphine oxide, 98% 5GR;(Methoxymethyl)diphenylphosphine oxide - [M90550]
CBNumber:
CB8116257
Molecular Formula:
C14H15O2P
Molecular Weight:
246.24
MDL Number:
MFCD00015451
MOL File:
4455-77-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-04-24 14:58:31
Product description Number Pack Size Price
Methoxymethyl(diphenyl)phosphine Oxide >98.0%(GC) M1210 5g $76
Methoxymethyl(diphenyl)phosphine Oxide >98.0%(GC) M1210 25g $301
Methoxymethyl(diphenyl)phosphine Oxide M219615 500mg $75
Methoxymethyl(diphenyl)phosphine Oxide M219615 100mg $60
Methoxymethyl(diphenyl)phosphineoxide,98%(GC) 98%(GC) 41115 5G $73.92
More product size

(METHOXYMETHYL)DIPHENYLPHOSPHINE OXIDE Properties

Melting point 115-117 °C(lit.)
Boiling point 334.7±25.0 °C(Predicted)
Density 1.14±0.1 g/cm3(Predicted)
storage temp. under inert gas (nitrogen or Argon) at 2-8°C
solubility methylene chloride: 0.1 g/mL, clear
form Crystalline Powder
color White to pale yellow
BRN 649558
FDA UNII YZ819M118B

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P264-P270-P301+P312a-P330-P501a
Hazard Codes  Xn
Risk Statements  22
Safety Statements  22-36/37
WGK Germany  3
RTECS  SZ0199360
HS Code  29199000
Toxicity mouse,LD50,oral,1500mg/kg (1500mg/kg),Khimiko-Farmatsevticheskii Zhurnal. Chemical Pharmaceutical Journal. For English translation, see PCJOAU. Vol. 24(4), Pg. 22, 1990.
NFPA 704
1
2 0

(METHOXYMETHYL)DIPHENYLPHOSPHINE OXIDE price More Price(20)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical M1210 Methoxymethyl(diphenyl)phosphine Oxide >98.0%(GC) 4455-77-0 5g $76 2026-04-30 Buy
TCI Chemical M1210 Methoxymethyl(diphenyl)phosphine Oxide >98.0%(GC) 4455-77-0 25g $301 2026-04-30 Buy
TRC M219615 Methoxymethyl(diphenyl)phosphine Oxide 4455-77-0 500mg $75 2021-12-16 Buy
TRC M219615 Methoxymethyl(diphenyl)phosphine Oxide 4455-77-0 100mg $60 2021-12-16 Buy
Chem-Impex 41115 Methoxymethyl(diphenyl)phosphineoxide,98%(GC) 98%(GC) 4455-77-0 5G $73.92 2021-12-16 Buy
Product number Packaging Price Buy
M1210 5g $76 Buy
M1210 25g $301 Buy
M219615 500mg $75 Buy
M219615 100mg $60 Buy
41115 5G $73.92 Buy

(METHOXYMETHYL)DIPHENYLPHOSPHINE OXIDE Chemical Properties,Uses,Production

Chemical Properties

White to pale yellow crystalline powder

Uses

Catalyst for:

  • Molybdenum hexacarbonyl-mediated Pauson-Khand reactions
  • Rhodium-catalyzed hydroformylation reaction

Application

Horner-Wittig reagent for the preparation of methoxyvinyl ethers and hence homologous aldehydes; the  anion has greater stability and nucleophilicity than the analogous phosphonium ylide.

storage

Commercial material (97-98%) is satisfactory as received. The  toxicological properties of the reagent are unknown.

603-35-0
4455-77-0
Synthesis of (METHOXYMETHYL)DIPHENYLPHOSPHINE OXIDE from Triphenylphosphine
Global( 104)Suppliers
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View Lastest Price from (METHOXYMETHYL)DIPHENYLPHOSPHINE OXIDE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
(METHOXYMETHYL)DIPHENYLPHOSPHINE OXIDE pictures 2019-07-06 (METHOXYMETHYL)DIPHENYLPHOSPHINE OXIDE
4455-77-0
US $1.00 / KG 1KG 99% 100 Career Henan Chemical Co
diphenyl(methoxymethyl)-phosphineoxid Phosphine oxide, (methoxymethyl)diphenyl- (METHOXYMETHYL)DIPHENYLPHOSPHINE OXIDE, 98+% DIPHENYL(METHOXYMETHYL)PHOSPHINE OXIDE (METHOXYMETHYL)DIPHENYLPHOSPHINE OXIDE (MethoxyMethyl)diphenylphosphine oxide, 98% 5GR (Methoxymethyl)diphenylphosphine oxide 98% Methoxymethyl(diphenyl)phosphineOxide> [Methoxymethyl(phenyl)phosphoryl]benzene (Methoxymethyl)diphenylphosphine oxide - [M90550] 4455-77-0 C6H52POCH2OCH3 Catalysis and Inorganic Chemistry Phosphine Ligands Phosphorus Compounds Horner-Emmons Reaction Wittig & Horner-Emmons Reaction Wittig & Horner-Emmons Reaction Horner-Emmons Reaction Synthetic Organic Chemistry