Diphenylphosphine oxide, 98%

Name: Diphenylphosphine oxide, 98%
Brand: Vaqora Chemicals
SKU: VQ-011434

About Diphenylphosphine oxide, 98%

Vaqora Chemicals supplies Diphenylphosphine oxide, an organic building block registered under CAS number 4559-70-0, specified at 98% purity. Its molecular formula is C12H11OP and its molecular weight is 202.19 g/mol. Systematically, it is named phenylphosphonoylbenzene. Alternative names: HPOPh2 and (phenylphosphoroso)benzene.

In its supplied form it is white to almost white powder or crystals. Key physical data: a melting point of 56-57 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include catalysis and coordination chemistry. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Diphenylphosphine oxide in 5 g, 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Catalysis
Coordination chemistry

Industries

Specifications & identifiers

Chemical identifiers
Product name	Diphenylphosphine oxide, 98%
Catalogue No.	VQ-011434
CAS Number	4559-70-0
IUPAC name	phenylphosphonoylbenzene
Molecular formula	C₁₂H₁₁OP
Molecular weight	202.19 g/mol
Exact mass	202.0548
Purity / assay	98%
HSN code	29399900
InChIKey	ASUOLLHGALPRFK-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)P(=O)C2=CC=CC=C2
PubChem CID	254003

Physical properties
Physical form	Crystalline
Appearance	White to almost white powder or crystals
Melting point	56-57 °C
LogP (XLogP3)	2.5
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, 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 Diphenylphosphine oxide, 98%?

The CAS Registry Number of Diphenylphosphine oxide, 98% is 4559-70-0. It is also known as HPOPh2, (phenylphosphoroso)benzene.

What is the molecular formula and molecular weight of Diphenylphosphine oxide, 98%?

Diphenylphosphine oxide, 98% has the molecular formula C12H11OP and a molecular weight of 202.19 g/mol. Its IUPAC name is phenylphosphonoylbenzene.

Which grade and pack sizes of Diphenylphosphine oxide, 98% can I order?

We supply Diphenylphosphine oxide, 98% in (98%) grade, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Diphenylphosphine oxide, 98%?

Yes. Every lot of Diphenylphosphine oxide, 98% 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 Diphenylphosphine oxide, 98% be shipped internationally?

Yes. Diphenylphosphine oxide, 98% 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.