Methyldiphenylphosphine oxide

Name: Methyldiphenylphosphine oxide
Brand: Vaqora Chemicals
SKU: VQ-052158

About Methyldiphenylphosphine oxide

Vaqora Chemicals supplies Methyldiphenylphosphine oxide, an organic building block registered under CAS number 2129-89-7. With the molecular formula C13H13OP, it has a molar mass of 216.21 g/mol. The IUPAC name is [methyl(phenyl)phosphoryl]benzene. Alternative names: Phosphine oxide, methyldiphenyl- and Diphenylmethylphosphine oxide.

Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 6 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Methyldiphenylphosphine oxide 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.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyldiphenylphosphine oxide
Catalogue No.	VQ-052158
CAS Number	2129-89-7
IUPAC name	[methyl(phenyl)phosphoryl]benzene
Molecular formula	C₁₃H₁₃OP
Molecular weight	216.21 g/mol
Exact mass	216.0704
InChIKey	PEGCITODQASXKH-UHFFFAOYSA-N
SMILES	CP(=O)(C1=CC=CC=C1)C2=CC=CC=C2
PubChem CID	75041

Physical properties
Physical form	Other
LogP (XLogP3)	1.3
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
Synonyms	methyldiphenylphosphine oxide: 1,4-dibromotetrafluorobenzene 2/1, methyldiphenylphosphine oxide: 1,4-diiodotetrafluorobenzene 1/1, Phosphine oxide, methyldiphenyl-, Diphenylmethylphosphine oxide, Phosphine oxide, diphenylmethyl-, [methyl(phenyl)phosphoroso]benzene, Methyldiphenyloxophosphine, (methyl-phenylphosphoryl)benzene, methyldiphenylphosphino-1-one, [MAethyl(phenyl)phosphoroso]benzene

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, 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 Methyldiphenylphosphine oxide?

The CAS Registry Number of Methyldiphenylphosphine oxide is 2129-89-7. It is also known as methyldiphenylphosphine oxide: 1,4-dibromotetrafluorobenzene 2/1, methyldiphenylphosphine oxide: 1,4-diiodotetrafluorobenzene 1/1, Phosphine oxide, methyldiphenyl-.

What is the molecular formula and molecular weight of Methyldiphenylphosphine oxide?

Methyldiphenylphosphine oxide has the molecular formula C13H13OP and a molecular weight of 216.21 g/mol. Its IUPAC name is [methyl(phenyl)phosphoryl]benzene.

Which grade and pack sizes of Methyldiphenylphosphine oxide can I order?

We supply Methyldiphenylphosphine oxide, 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 Methyldiphenylphosphine oxide?

Yes. Every lot of Methyldiphenylphosphine oxide 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 Methyldiphenylphosphine oxide be shipped internationally?

Yes. Methyldiphenylphosphine oxide 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.