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04101

Sigma-Aldrich

Polyphosphoric acid

≥83% phosphate (as P2O5) basis

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About This Item

Fórmula linear:
Hn+2PnO3n+1
Número CAS:
8017-16-1
Número CE:
232-417-0
Número MDL:
MFCD00084480
Código UNSPSC:
12352106
eCl@ss:
38070203
Preço e disponibilidade não estão disponíveis no momento.

Ensaio

≥83% phosphate (as P2O5) basis

p.e.

300 °C (lit.)

traços de cátion

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)

chave InChI

FVYIVXLIMHNYTD-UHFFFAOYSA-N

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Descrição geral

Polyphosphoric acid (PPA) is an inorganic acid. Galangin-KMnO4-PPA system has been employed for the determination of tryptophan.[1] It participates in the Skraup reaction.[2] It is widely employed reagent for the alkylation and acylation reactions of aromatic and alkenic compounds.[3]

Pictogramas

Corrosion
GHS05

Palavra indicadora

Danger

Frases de perigo

H290,H314

Classificações de perigo

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

Código de classe de armazenamento

8B - Non-combustible corrosive hazardous materials

Classe de risco de água (WGK)

WGK 1

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Certificados de análise (COA)

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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
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)
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
906. Synthetic uses of polyphosphoric acid.
Denton DA and Suschitzky H.
Journal of the Chemical Society, 4741-4743 (1963)
Xu Liu et al.
Organic letters, 15(4), 776-779 (2013-02-09)
A facile and efficient synthesis of substituted indeno[2,1-c]quinolin-6(7H)-ones from a variety of α-acyl N-arylcinnamamides mediated by polyphosphoric acid (PPA) is described, and a mechanism involving the formation of a dicationic superelectrophile and subsequent double intramolecular nucleophilic cyclization reactions is proposed.
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