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43153

Sigma-Aldrich

Diphenylphosphinic acid

≥98.0% (T)

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About This Item

Fórmula lineal:
(C6H5)2P(O)OH
Número de CAS:
1707-03-5
Peso molecular:
218.19
Beilstein/REAXYS Number:
2804567
EC Number:
216-948-5
MDL number:
MFCD00002132
UNSPSC Code:
12352100
PubChem Substance ID:
57650161
NACRES:
NA.22

Quality Level

100

assay

≥98.0% (T)

mp

193-195 °C (lit.)
193-196 °C

solubility

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

SMILES string

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)

InChI key

BEQVQKJCLJBTKZ-UHFFFAOYSA-N

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General description

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.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
BCCK7451
BCCC2067
BCBC6860V
1352244V
BCBC6860

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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)
Jeffrey A Rood et al.
Acta crystallographica. Section C, Structural chemistry, 70(Pt 11), 1069-1074 (2014-11-06)
Reaction of cadmium nitrate with diphenylphosphinic acid in dimethylformamide solvent yielded the one-dimensional coordination polymer catena-poly[[bis(dimethylformamide-κO)cadmium(II)]-bis(μ-diphenylphosphinato-κ(2)O:O')], [Cd(C12H10O2P)2(C3H7NO)2]n, (I). Addition of 4,4'-bipyridine to the synthesis afforded a two-dimensional extended structure, poly[[(μ-4,4'-bipyridine-κ(2)N:N')bis(μ-diphenylphosphinato-κ(2)O:O')cadmium(II)] dimethylformamide monosolvate], {[Cd(C12H10O2P)2(C10H8N2)]·C3H7NO}n, (II). In (II), the 4,4'-bipyridine molecules link
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
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