1,2-Bis(diphenylphosphino)ethane, 99%

Name: 1,2-Bis(diphenylphosphino)ethane, 99%
Brand: Vaqora Chemicals
SKU: VQ-018552

About 1,2-Bis(diphenylphosphino)ethane, 99%

1,2-Bis(diphenylphosphino)ethane (CAS 1663-45-2) is a catalyst / ligand offered by Vaqora Chemicals, specified at 99% purity. Formula C26H24P2, molecular weight 398.4 g/mol. Its systematic (IUPAC) name is 2-diphenylphosphanylethyl(diphenyl)phosphane. Alternative names: Ethylenebis(diphenylphosphine) and Diphos.

It is supplied as white to almost white powder or crystals. Reported physical data include a melting point of 137-142 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include cross-coupling reactions, homogeneous catalysis and asymmetric synthesis. Buyers come mainly from academic and industrial research, pharmaceutical manufacturing and oil, gas and petrochemicals.

Vaqora Chemicals supplies 1,2-Bis(diphenylphosphino)ethane in 1 g, 5 g, 10 g and 50 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Cross-coupling reactions
Homogeneous catalysis
Asymmetric synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	1,2-Bis(diphenylphosphino)ethane, 99%
Catalogue No.	VQ-018552
CAS Number	1663-45-2
IUPAC name	2-diphenylphosphanylethyl(diphenyl)phosphane
Molecular formula	C₂₆H₂₄P₂
Molecular weight	398.4 g/mol
Exact mass	398.1353
Purity / assay	99%
HSN code	29319090
InChIKey	QFMZQPDHXULLKC-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)P(CCP(C2=CC=CC=C2)C3=CC=CC=C3)C4=CC=CC=C4
PubChem CID	74267

Physical properties
Physical form	Crystalline
Appearance	White to almost white powder or crystals
Melting point	137-142 °C
LogP (XLogP3)	5.9
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	Ethylenebis(diphenylphosphine), Diphos, DPPE, 1,2-Bis(diphenylphosphino)ethane, Bis(diphenylphosphine)ethane, Bis(1,2-diphenylphosphino)ethane, ethane-1,2-diylbis(diphenylphosphane), Phosphine, 1,2-ethanediylbis(diphenyl-, DPPE cpd, Phosphine, 1,1'-(1,2-ethanediyl)bis[1,1-diphenyl-, Phosphine, ethylenebis[diphenyl-, 1,2-Bis(diphenylphosphine)ethane

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P391, 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 1,2-Bis(diphenylphosphino)ethane, 99%?

The CAS Registry Number of 1,2-Bis(diphenylphosphino)ethane, 99% is 1663-45-2. It is also known as Ethylenebis(diphenylphosphine), Diphos, DPPE.

What is the molecular formula and molecular weight of 1,2-Bis(diphenylphosphino)ethane, 99%?

1,2-Bis(diphenylphosphino)ethane, 99% has the molecular formula C26H24P2 and a molecular weight of 398.4 g/mol. Its IUPAC name is 2-diphenylphosphanylethyl(diphenyl)phosphane.

Which grade and pack sizes of 1,2-Bis(diphenylphosphino)ethane, 99% can I order?

We supply 1,2-Bis(diphenylphosphino)ethane, 99% in (99%) grade, in 1 g, 5 g, 10 g, 50 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1,2-Bis(diphenylphosphino)ethane, 99%?

Yes. Every lot of 1,2-Bis(diphenylphosphino)ethane, 99% 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 1,2-Bis(diphenylphosphino)ethane, 99% be shipped internationally?

Yes. 1,2-Bis(diphenylphosphino)ethane, 99% 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.