Xantphos, 97%

Name: Xantphos, 97%
Brand: Vaqora Chemicals
SKU: VQ-011639

About Xantphos, 97%

Listed under CAS 161265-03-8, Xantphos is an organic building block available from Vaqora Chemicals, specified at 97% purity. With the molecular formula C39H32OP2, it has a molar mass of 578.6 g/mol. Systematically, it is named (5-diphenylphosphanyl-9,9-dimethylxanthen-4-yl)-diphenylphosphane.

In its supplied form it is a white or beige powder. Literature values give a melting point of 224-228 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for catalysis and organic synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Xantphos in 1 g, 5 g, 25 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Catalysis
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Xantphos, 97%
Catalogue No.	VQ-011639
CAS Number	161265-03-8
IUPAC name	(5-diphenylphosphanyl-9,9-dimethylxanthen-4-yl)-diphenylphosphane
Molecular formula	C₃₉H₃₂OP₂
Molecular weight	578.6 g/mol
Exact mass	578.1928
Purity / assay	97%
HSN code	29420090
InChIKey	CXNIUSPIQKWYAI-UHFFFAOYSA-N
SMILES	CC1(C2=C(C(=CC=C2)P(C3=CC=CC=C3)C4=CC=CC=C4)OC5=C1C=CC=C5P(C6=CC=CC=C6)C7=CC=CC=C7)C
PubChem CID	636044

Physical properties
Physical form	Powder
Appearance	White or beige powder
Melting point	224-228 °C
LogP (XLogP3)	9.7
H-bond donors / acceptors	0 / 1
TPSA	9.2 Å²
Synonyms	4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene, 9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene, Phosphine, 1,1'-(9,9-dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenyl-, Phosphine, 1,1'-(9,9-dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenyl-, 9,9-dimethyl-4,6-bis(diphenylphosphino)xanthene, 1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine), (9,9-dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine), [5-(diphenylphosphanyl)-9,9-dimethyl-9H-xanthen-4-yl]diphenylphosphane, (5-diphenylphosphanyl-9,9-dimethyl-xanthen-4-yl)-diphenyl-phosphane, 4,5-bis-diphenylphosphanyl-9,9-dimethyl-9h-xanthene, 4,5-Bis(diphenylphosphino)-9,9-dimethyl-9H-xanthene, 4,5-Bis(diphenylphosphino)-9,9-dimethyl xanthene

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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 Xantphos, 97%?

The CAS Registry Number of Xantphos, 97% is 161265-03-8. It is also known as 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene, 9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene, Phosphine, 1,1'-(9,9-dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenyl-.

What is the molecular formula and molecular weight of Xantphos, 97%?

Xantphos, 97% has the molecular formula C39H32OP2 and a molecular weight of 578.6 g/mol. Its IUPAC name is (5-diphenylphosphanyl-9,9-dimethylxanthen-4-yl)-diphenylphosphane.

Which grade and pack sizes of Xantphos, 97% can I order?

We supply Xantphos, 97% in (97%) grade, in 1 g, 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Xantphos, 97%?

Yes. Every lot of Xantphos, 97% 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 Xantphos, 97% be shipped internationally?

Yes. Xantphos, 97% 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.