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43153

Sigma-Aldrich

Diphenylphosphinic acid

≥98.0% (T)

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About This Item

Formule linéaire :
(C6H5)2P(O)OH
Numéro CAS:
1707-03-5
Poids moléculaire :
218.19
Numéro Beilstein :
2804567
Numéro CE :
216-948-5
Numéro MDL:
MFCD00002132
Code UNSPSC :
12352100
ID de substance PubChem :
57650161
Nomenclature NACRES :
NA.22

Niveau de qualité

100

Pureté

≥98.0% (T)

Pf

193-195 °C (lit.)
193-196 °C

Solubilité

0.1 M NaOH: soluble 0.5 g/10 mL, clear, colorless

Chaîne SMILES 

OP(=O)(c1ccccc1)c2ccccc2

InChI

1S/C12H11O2P/c13-15(14,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H,(H,13,14)

Clé InChI

BEQVQKJCLJBTKZ-UHFFFAOYSA-N

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Catégories apparentées

Description générale

Diphenylphosphinic acid (DPPA, hdpp) is an organophosphinic acid compound. It finds application as a reactive flame-retardant and promoter for palladium catalytic systems. Thermal degradation of DPPA has been studied by thermogravimetric analysis (TGA) method. DPPA reacts with cadmium nitrate in dimethylformamide solvent to afford the one-dimensional coordination polymer catena-poly[[bis(dimethylformamide-κO)cadmium(II)]-bis(μ-diphenylphosphinato-κ(2)O:O′)]. It has been repoted to promote the carbonylation of nitrobenzene and aniline to diphenylurea. Ortho-lithiated DPPA can form mono ortho-functionalized derivatives by electrophilic trapping and biphenyl-2,2′-diylbis(phenylphosphinic acid) by copper catalyzed coupling.

Application

Diphenylphosphinic acid is an important starting material for the synthesis of organophosphinic compounds. Diphenylphosphinic acid may be used for the preparation of coordination polymers, via reaction with alkaline earth metal salts in dimethylformamide (DMF) solvent:
  • [Mg3(O2PPh2)6(DMF)2]·2DMF
  • [Ca(O2PPh2)2(DMF)2]
  • [Sr(O2PPh2)2(DMF)2]
  • [Ba(O2PPh2)2(DMF)2]
It may be used for the synthesis of compounds with the Al-O-X (X = Si, P, C) motif, via reaction with LAlH2 (L = HC(CMeNAr)2, Ar = 2,6-iPr2C6H3). It may be employed as a novel co-adsorbent in dye-sensitized solar cells (DSCs) based on nanocrystalline TiO2 sensitized with N719 dye. It may be used in the synthesis of arylindium phosphinate.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

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Jeffrey A Rood et al.
Acta crystallographica Section B, Structural science, crystal engineering and materials, 70(Pt 3), 602-607 (2014-06-04)
Reaction of alkaline earth metal salts with diphenylphosphinic acid in dimethylformamide solvent afforded four coordination polymers: [Mg3(O2PPh2)6(DMF)2]·2DMF (I), [Ca(O2PPh2)2(DMF)2] (II), [Sr(O2PPh2)2(DMF)2] (III) and [Ba(O2PPh2)2(DMF)2] (IV) (where DMF is N,N-dimethylformamide). Single-crystal X-ray diffraction revealed that all four compounds produce linear chain
Thermal kinetics and decomposition mechanism of methylphenylphosphinic acid and diphenylphosphinic acid.
Shao X, et al.
Chemical Research in Chinese Universities, 30(6), 1028-1031 (2014)
Synthesis and structure of three molecular arylindium phosphinates.
Ahmad SU, et al.
Main Group Metal Chemistry, 37(5-6), 163-167 (2014)
Pengfei Hao et al.
Dalton transactions (Cambridge, England : 2003), 41(43), 13520-13524 (2012-09-29)
The reactions of LAlH2 (L = HC(CMeNAr)2, Ar = 2,6-iPr2C6H3) (1) with diphenylsilanediol, phenylphosphonic acid, diphenylphosphinic acid, and pyrocatechol afford compounds with the Al–O–X (X = Si, P, C) motif of composition [LAl(μ-O)]2Si(Ph)2 (2), [LAl(μ-O)]2PO(Ph) (3), LAl[OPO(Ph)2]2 (4), and LAl(μ-O)2(o-C6H4)
The palladium-phenanthroline catalyzed carbonylation of nitroarenes to diarylureas: Effect of chloride and diphenylphosphinic acid.
Gasperini M, et al.
Journal of Organometallic Chemistry, 690(20), 4517-4529 (2005)
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