Methyl(triphenylphosphoranylidene)acetate

Name: Methyl(triphenylphosphoranylidene)acetate
Brand: Vaqora Chemicals
SKU: VQ-039034

About Methyl(triphenylphosphoranylidene)acetate

Methyl(triphenylphosphoranylidene)acetate (CAS 2605-67-6) is an organic building block offered by Vaqora Chemicals. Formula C21H19O2P, molecular weight 334.3 g/mol. Its systematic (IUPAC) name is methyl 2-(triphenyl-lambda5-phosphanylidene)acetate. Common synonyms include (Carbomethoxymethylene)triphenylphosphorane and Triphenyl(carbomethoxymethylene)phosphorane.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span fine chemical synthesis and organic synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Methyl(triphenylphosphoranylidene)acetate in 100 mg, 250 mg, 1 g and 5 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Fine chemical synthesis
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyl(triphenylphosphoranylidene)acetate
Catalogue No.	VQ-039034
CAS Number	2605-67-6
IUPAC name	methyl 2-(triphenyl-lambda5-phosphanylidene)acetate
Molecular formula	C₂₁H₁₉O₂P
Molecular weight	334.3 g/mol
Exact mass	334.1123
InChIKey	NTNUDYROPUKXNA-UHFFFAOYSA-N
SMILES	COC(=O)C=P(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3
PubChem CID	17453

Physical properties
Physical form	Other
LogP (XLogP3)	4
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	(Carbomethoxymethylene)triphenylphosphorane, Acetic acid, (triphenylphosphoranylidene)-, methyl ester, (Triphenylphosphoranylidene)acetic acid methyl ester, Triphenyl(carbomethoxymethylene)phosphorane, Acetic acid, 2-(triphenylphosphoranylidene)-, methyl ester, ((Methoxycarbonyl)methylene)triphenylphosphorane, [(Methoxycarbonyl)methylene]triphenylphosphorane, Methyl 2-(triphenylphosphoranylidene)acetate, (Methoxycarbonylmethylene)triphenylphosphorane, Carbomethoxymethylenetriphenylphosphorane

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Methyl(triphenylphosphoranylidene)acetate?

The CAS Registry Number of Methyl(triphenylphosphoranylidene)acetate is 2605-67-6. It is also known as (Carbomethoxymethylene)triphenylphosphorane, Acetic acid, (triphenylphosphoranylidene)-, methyl ester, (Triphenylphosphoranylidene)acetic acid methyl ester.

What is the molecular formula and molecular weight of Methyl(triphenylphosphoranylidene)acetate?

Methyl(triphenylphosphoranylidene)acetate has the molecular formula C21H19O2P and a molecular weight of 334.3 g/mol. Its IUPAC name is methyl 2-(triphenyl-lambda5-phosphanylidene)acetate.

Which grade and pack sizes of Methyl(triphenylphosphoranylidene)acetate can I order?

We supply Methyl(triphenylphosphoranylidene)acetate, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl(triphenylphosphoranylidene)acetate?

Yes. Every lot of Methyl(triphenylphosphoranylidene)acetate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Methyl(triphenylphosphoranylidene)acetate be shipped internationally?

Yes. Methyl(triphenylphosphoranylidene)acetate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.