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Diphenylphosphine oxide

CAS No.
4559-70-0
Chemical Name:
Diphenylphosphine oxide
Synonyms
DPPO;HPOPh2;Diphenylphosphinoxid;GC-DPO;AURORA KA-1314;Diphenylphosphinit;Diphenylphosphorus;TIMTEC-BB SBB005946;Diphenylphosphaneoxide;Diphenylphosphinigsαure
CBNumber:
CB1471001
Molecular Formula:
C12H11OP
Molecular Weight:
202.19
MDL Number:
MFCD00002079
MOL File:
4559-70-0.mol
MSDS File:
SDS
Last updated:2025-09-05 20:24:49
Product description Number Pack Size Price
Diphenylphosphine oxide 97% 287881 1g $80.5
Diphenylphosphine oxide 97% 287881 5g $174
Diphenylphosphine Oxide >98.0%(GC) D2826 5g $146
Diphenylphosphine Oxide >98.0%(GC) D2826 25g $501
Diphenylphosphine oxide 273793 1g $347
More product size

Diphenylphosphine oxide Properties

Melting point 56-57 °C(lit.)
Boiling point 102-105°C 0,2mm
refractive index 1.608-1.61
storage temp. Inert atmosphere,Room Temperature
form Crystals
color Yellow to light orange
Water Solubility Slightly soluble in water.
Sensitive Moisture Sensitive
InChI InChI=1S/C12H11OP/c13-14(11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10,14H
InChIKey ASUOLLHGALPRFK-UHFFFAOYSA-N
SMILES P(=O)(C1=CC=CC=C1)C1=CC=CC=C1
CAS DataBase Reference 4559-70-0(CAS DataBase Reference)
FDA UNII XXW49HG6X3
UNSPSC Code 12352002
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P264-P270-P301+P312-P302+P352-P305+P351+P338
Hazard Codes  Xn
Risk Statements  22-36/37/38
Safety Statements  26
WGK Germany  2
HS Code  29319090
NFPA 704
1
2 0

Diphenylphosphine oxide price More Price(47)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 287881 Diphenylphosphine oxide 97% 4559-70-0 1g $80.5 2025-07-31 Buy
Sigma-Aldrich 287881 Diphenylphosphine oxide 97% 4559-70-0 5g $174 2025-07-31 Buy
TCI Chemical D2826 Diphenylphosphine Oxide >98.0%(GC) 4559-70-0 5g $146 2025-07-31 Buy
TCI Chemical D2826 Diphenylphosphine Oxide >98.0%(GC) 4559-70-0 25g $501 2025-07-31 Buy
Usbiological 273793 Diphenylphosphine oxide 4559-70-0 1g $347 2021-12-16 Buy
Product number Packaging Price Buy
287881 1g $80.5 Buy
287881 5g $174 Buy
D2826 5g $146 Buy
D2826 25g $501 Buy
273793 1g $347 Buy

Diphenylphosphine oxide Chemical Properties,Uses,Production

Chemical Properties

Yellow to light orange crystals

Uses

suzuki reaction

Uses

Used in the preparation of triarylphosphine oxides, and as asymmetric catalysts, preparation of alkenyldiphenylphosphine oxides, and Horner-Wittig reagents. It is a ligand for Buchwald-Hartwig Cross Coupling Reaction, Hydrophosphonylations and Suzuki-Miyaura Coupling.

Definition

ChEBI: Diphenylphosphine oxide is a member of benzenes.

Synthesis Reference(s)

Journal of the American Chemical Society, 45, p. 165, 1923 DOI: 10.1021/ja01654a024

reaction suitability

reagent type: ligand
reaction type: Buchwald-Hartwig Cross Coupling Reaction
reagent type: ligand
reaction type: Hydrophosphonylations
reagent type: ligand
reaction type: Suzuki-Miyaura Coupling

Global( 377)Suppliers
Supplier Tel Email Country ProdList Advantage
Hebei Chuanghai Biotechnology Co., Ltd
+8615350571055 Sibel@chuanghaibio.com China 8760 58
Hebei Yanxi Chemical Co., Ltd.
+8618531123677 faithe@yan-xi.com China 5853 58
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Nanjing ChemLin Chemical Industry Co., Ltd.
025-83697070 product@chemlin.com.cn CHINA 3009 60

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View Lastest Price from Diphenylphosphine oxide manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Diphenylphosphine oxide pictures 2025-12-24 Diphenylphosphine oxide
4559-70-0
US $448.00 / KG 1KG 99% 1000 tons Shaanxi Dideu Medichem Co. Ltd
Diphenylphosphine oxide pictures 2025-12-16 Diphenylphosphine oxide
4559-70-0
US $100.00-75.00 / kg 1kg 99% 5000 HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
Diphenylphosphine oxide pictures 2025-12-11 Diphenylphosphine oxide
4559-70-0
US $10.00 / KG 1KG 99% 5tons Hebei Chuanghai Biotechnology Co., Ltd
Diphenylphosphinoxid Diphenylphosphonousacid Diphenylphosphineoxide,97% Diphenylphosphine oxide 97% Two phenylphosphate oxygen Phosphine oxide,diphenyl- DPPO HPOPh2 TIMTEC-BB SBB005946 Diphenylphosphaneoxide Diphenylphosphinigsαure AURORA KA-1314 DIPHENYLPHOSPHINE OXIDE Diphenylphosphinit Diphenylphosphinousacid GC-DPO DiphenylphosphineoxideGradeB97% 2,4-dinitro-N-[(E)-3,3,3-trifluoropropylideneamino]aniline Diphenylphosphorus DiphenylphosphineOxide> Diphenylphosphine oxide, 98%, for synthesis Diphenylphosphine oxide, 97%, for synthesis Diphenylphosphine oxide// DPPO DIPHENYLPHOSPHINE OXIDE 90% MIN 4559-70-0 4559-70-7 C6H52POH C12H11OP C12H10OP Catalysis and Inorganic Chemistry Phosphorus Compounds Phosphorus Precursors Phosphorus Compounds Phosphorus Precursors Achiral Phosphine Aryl Phosphine Pharmaceutical Intermediates Catalysis and Inorganic Chemistry