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04101

Sigma-Aldrich

Polyphosphoric acid

≥83% phosphate (as P2O5) basis

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About This Item

Formula condensata:
Hn+2PnO3n+1
Numero CAS:
8017-16-1
Numero CE:
232-417-0
Numero MDL:
MFCD00084480
Codice UNSPSC:
12352106
eCl@ss:
38070203

Saggio

≥83% phosphate (as P2O5) basis

P. ebollizione

300 °C (lit.)

Cationi in tracce

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)
FVYIVXLIMHNYTD-UHFFFAOYSA-N

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Descrizione generale

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.

Pittogrammi

Corrosion
GHS05

Avvertenze

Danger

Indicazioni di pericolo

H290,H314

Classi di pericolo

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

Codice della classe di stoccaggio

8B - Non-combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 1

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Certificati d'analisi (COA)

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)
M K Gabriel et al.
Analytical biochemistry, 149(2), 339-343 (1985-09-01)
An ion-pair, reverse-phase, high-performance liquid chromatography method of assay was developed and used in a series of rate studies carried out with the enzyme chicken liver NAD+ kinase (ATP:NAD+ 2'-phosphotransferase, EC 2.7.1.23). Complete separation of all products and reactants was
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