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Methyl (triphenylphosphoranylidene)acetate

SKU 29058241 CAS 2605-67-6 C21H19O2P MW 334.35 Available on enquiry

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Methyl (triphenylphosphoranylidene)acetate is a phosphorus ylide widely used in organic synthesis, particularly for Wittig reactions to form alkenes from carbonyl compounds. This reagent is a pale yellow crystalline solid with high reactivity, enabling efficient olefination in research and industrial applications. CAS 2605-67-6, molecular formula C21H19O2P, molecular weight 334.35 g/mol. Store at 2–8°C under inert gas to prevent hydrolysis. Signal word: Warning (may cause skin/eye irritation). Molekula supplies Methyl (triphenylphosphoranylidene)acetate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU
29058241
CAS Number
2605-67-6
IUPAC Name
methyl 2-(triphenyl-lambda5-phosphanylidene)acetate
EC Number
220-018-4
Molecular Formula
C21H19O2P
Molecular Weight
334.35
Exact Mass
334.1123
SMILES
COC(=O)C=P(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3
InChIKey
NTNUDYROPUKXNA-UHFFFAOYSA-N
InChI
InChI=1S/C21H19O2P/c1-23-21(22)17-24(18-11-5-2-6-12-18,19-13-7-3-8-14-19)20-15-9-4-10-16-20/h2-17H,1H3
PubChem CID
17453

Synonyms

  • ((Methoxycarbonyl)methylene)triphenylphosphorane
  • (2-Hydroxy-2-methoxyvinyl)triphenylphosphonium hydroxide inner salt
  • (Carbomethoxymethylene)triphenylphosphorane
  • (Triphenylphosphoranylidene)acetic acid methyl ester
  • 2-(triphenylphosphoranylidene)acetic acid methyl ester
  • Acetic acid, (triphenylphosphoranylidene)-, methyl ester
  • Acetic acid, 2-(triphenylphosphoranylidene)-, methyl ester
  • methyl 2-(triphenyl-lambda5-phosphanylidene)acetate
  • Methyl 2-(triphenylphosphoranylidene)acetate
  • Triphenyl(carbomethoxymethylene)phosphorane

Frequently asked questions

What is Methyl (triphenylphosphoranylidene)acetate (CAS 2605-67-6) commonly used for?

It is primarily used as a Wittig reagent in organic synthesis for the preparation of alkenes via olefination reactions, particularly in academic and research settings.

What is the molecular formula and molecular weight of this compound?

The molecular formula is **C21H19O2P**, and the molecular weight is **334.35 g/mol**.

How should Methyl (triphenylphosphoranylidene)acetate be stored?

Store at **2–8°C** in a cool, dry place, away from moisture and direct light. Follow standard chemical storage safety protocols.

What grade or purity level is available for this product?

Molekula supplies this compound in **research-grade purity**, typically ≥97% by HPLC or NMR, suitable for laboratory-scale synthesis.

Can Molekula supply this compound in bulk quantities?

Yes, bulk quantities are available upon request—please contact our sales team for pricing and lead times for larger orders.

What documentation comes with an order of this product?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet detailing purity and storage instructions.

Related products

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

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