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About This Item
Linear Formula:
Hn+2PnO3n+1
CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352106
eCl@ss:
38070203
NACRES:
NA.21
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Assay
~105% H3PO4 basis
Quality Level
form
viscous liquid
bp
300 °C (lit.)
mp
16 °C
density
1.9 g/mL at 25 °C
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 is a hygroscopic, clear and viscous liquid. It has been synthesized by reacting phosphoric acid with phosphorus (V) oxide. It is a moderately strong mineral acid with a wide range of applications. PPA may be used in bone regeneration by treating titanium (Ti) implants.
Application
Polyphosphoric acid may be used in the following processes:
- Functionalize mesoporous silica–polymer nanocomposites (SBA/PS).
- As a catalyst in the synthesis of 3,4-dihydropyrimidin-2-(1H)-ones.
- As a dehydrating agent and phosphorus source in the synthesis of Si, P co-doped carbon (SiPDC) materials.
- As a catalyst and absorbent of ammonia during the synthesis of dimethyl carbonate (DMC).
- As a solvent in the synthesis of hyperbranched polybenzoxazoles (HBPBOs).
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
Storage Class Code
8A - Combustible corrosive hazardous materials
WGK
WGK 1
Certificates of Analysis (COA)
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Polyphosphoric Acid
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e-EROS Encyclopedia of Reagents for Organic Synthesis. (2001)
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Polyphosphoric acid catalyst for the one-pot synthesis of 3, 4-dihydropyrimidin-2 (1H)-ones by grinding under solvent-free conditions.
Zhao Y, et al.
Indian J. Chem. B, 54(1), 139-141 (2015)
Mesoporous silica polymer nanocomposites encapsulated with polyphosphoric acid for the synthesis of ?-amino carbonyl compounds under environmental benign conditions.
Sachdev D, et al.
New. J. Chem., 39(4), 2633-2641 (2015)
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Ramasahayam SK, et al.
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