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8017-16-1 - Polyphosphoric acid, ca 84% (as phosphorus pentoxide) - L14856 - Alfa Aesar

L14856 Polyphosphoric acid, ca 84% (as phosphorus pentoxide)

CAS-Nummer
8017-16-1
Synonyme

Größe Preis ($) Menge Verfügbarkeit
100ml 22,70
500ml 48,80
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Polyphosphoric acid, ca 84% (as phosphorus pentoxide)

MDL
MFCD00084480
EINECS
232-417-0

Chemische Eigenschaften

Dichte
2.1
Sensitivität
Hygroscopic
Löslichkeit
Miscible with water.

Anwendungen

Polyphosphoric acid is used as a dehydrating agent, cyclizing agent, acylating agent, analytical reagent and as a ring closing reagent. It is used in the production of phosphate esters, acid phosphates and pharmaceuticals. It is involved in metal treatment and as an asphalt and a bitumen additive. Furthermore, it is employed for the determination of tryptophan and used a reagent for the alkylation and acylation reactions of aromatic and alkenic compounds.

Bemerkungen

Hygroscopic. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with bases. It reacts with water violently to generate heat and phosphoric acid.

Literaturverweise

Promotes the rearrangement of 1-arylindoles to 5H-dibenzo[b,f]azepines: Tetrahedron, 51, 2091 (1995).

Niemczak, M.; Czerniak, K.; Kopczyński, T. Preparation of 1-methyl-3-phenylisoquinoline derivatives from oximes using polyphosphoric esters. New J. Chem. 2015, 39 (3), 1868-1873.

Xiao, D.; Pan, R.; Li, S.; He, J.; Qi, M.; Kong, S.; Gu, Y.; Lin, R.; He, H. Porous carbon quantum dots: one step green synthesis via L-cysteine and applications in metal ion detection. RSC Adv. 2015, 5 (3), 2039-2046.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H314-H318

Causes severe skin burns and eye damage. Causes serious eye damage.

Sicherheitshinweise: P280-P303+P361+P353-P305+P351+P338-P310a

Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Weitere Referenzen

Merck
14,7580
Gefahrenklasse
8
Verpackungsgruppe
III
Harmonized Tariff Code
2809.20
TSCA
Yes

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