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04101

Sigma-Aldrich

Polyphosphoric acid

≥83% phosphate (as P2O5) basis

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About This Item

Fórmula lineal:
Hn+2PnO3n+1
Número de CAS:
8017-16-1
EC Number:
232-417-0
MDL number:
MFCD00084480
UNSPSC Code:
12352106
eCl@ss:
38070203

assay

≥83% phosphate (as P2O5) basis

bp

300 °C (lit.)

cation traces

As: ≤30 mg/kg
Cu: ≤1 mg/kg
Fe: ≤20 mg/kg
Pb: ≤1 mg/kg

InChI

1S/O5P2.H3O4P/c1-2-7-4-3-6(1)5-7;1-5(2,3)4/h;(H3,1,2,3,4)

InChI key

FVYIVXLIMHNYTD-UHFFFAOYSA-N

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General description

Polyphosphoric acid (PPA) is an inorganic acid. Galangin-KMnO4-PPA system has been employed for the determination of tryptophan. It participates in the Skraup reaction. It is widely employed reagent for the alkylation and acylation reactions of aromatic and alkenic compounds.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H290,H314

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk_germany

WGK 1

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Lot/Batch Number

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Leyla Yurttaş et al.
Journal of enzyme inhibition and medicinal chemistry, 30(3), 458-465 (2014-09-10)
Twenty-five new N-[4-(benzothiazole-2-yl)phenyl]acetamide derivatives bearing different heterocyclic ring systems were synthesized using 2-(4-aminophenyl)benzothiazole structure as a pharmacophoric group. Final compounds were screened for their potential antitumor activity in vitro against approximately 60 human tumor cell lines derived from nine neoplastic
Li Li et al.
Luminescence : the journal of biological and chemical luminescence, 30(5), 512-518 (2014-10-02)
A novel galangin-potassium permanganate (KMnO4)-polyphosphoric acid (PPA) system was found to have an outstanding response to tryptophan (Trp). Trp determination using this KMnO4 -PPA system was enhanced significantly in the presence of galangin. A highly sensitive flow-injection chemiluminescence (CL) method
Covalent modification of vapour-grown carbon nanofibers via direct Friedel-Crafts acylation in polyphosphoric acid.
Baek J-B, et al.
Journal of Materials Chemistry, 14(13), 2052-2056 (2004)
906. Synthetic uses of polyphosphoric acid.
Denton DA and Suschitzky H.
Journal of the Chemical Society, 4741-4743 (1963)
Kenji Maekawa et al.
Journal of biomedical materials research. Part A, 82(1), 195-200 (2007-02-03)
The aim of this study was to evaluate the effect of treating titanium (Ti) with polyphosphoric acid on the attachment and proliferation of human bone marrow derived mesenchymal stem cells (hBMSCs). Cleaned Ti disks were immersed into three different concentrations
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