(Methoxycarbonylmethylene)triphenylphosphorane, 98%, Thermo Scientific Chemicals

Description

(Methoxycarbonylmethylene)triphenylphosphorane is used in olefination reactions. Further, it undergoes the Wittig reaction with aldehydes to give substituted methyl acrylates. It is used in the preparation of (triphenylphosphoranylidene)-ketene.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
(Methoxycarbonylmethylene)triphenylphosphorane is used in olefination reactions. Further, it undergoes the Wittig reaction with aldehydes to give substituted methyl acrylates. It is used in the preparation of (triphenylphosphoranylidene)-ketene.

Solubility
Soluble in chloroform. Slightly soluble in ethanol and terahydrofuran. Insoluble in water.

Notes
Air sensitive. Incompatible with strong oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 2605-67-6
• Molecular Formula: C21H19O2P
• Molecular Weight (g/mol): 334.36
• MDL Number: MFCD00008455
• InChI Key: NTNUDYROPUKXNA-UHFFFAOYSA-N
• Synonym: methyl triphenylphosphoranylidene acetate, carbomethoxymethylene triphenylphosphorane, methyl 2-triphenylphosphoranylidene acetate, acetic acid, triphenylphosphoranylidene-, methyl ester, methyl triphenylphosphoranylideneacetate, triphenylphosphoranylidene acetic acid methyl ester, triphenyl carbomethoxymethylene phosphorane, methoxycarbonylmethylene triphenylphosphorane, acetic acid, 2-triphenylphosphoranylidene-, methyl ester
• PubChem CID: 17453
• IUPAC Name: methyl 2-(triphenyl-$l^{5}-phosphanylidene)acetate
• SMILES: COC(=O)C=P(C1=CC=CC=C1)(C1=CC=CC=C1)C1=CC=CC=C1

• Melting Point: 165°C to 169°C
• Quantity: 100 g
• Beilstein: 618430
• Sensitivity: Air Sensitive
• Solubility Information: Soluble in chloroform. Slightly soluble in ethanol and terahydrofuran. Insoluble in water.
• Formula Weight: 334.36
• Percent Purity: 98%
• Chemical Name or Material: (Methoxycarbonylmethylene)triphenylphosphorane

Safety and Handling

Hazard Category	H301-H315-H319-H335
Precautionary Statement	P261-P264b-P270-P271-P280-P301+P310-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P362-P501c
DOTInformation	Hazard Class: 6.1; Packaging Group: III
EINECSNumber	220-018-4
TSCA	Yes
Recommended Storage	Ambient temperatures; Store under Nitrogen

SDS

RUO – Research Use Only