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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
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)
Synthesis of hyperbranched polybenzoxazoles and their molecular composites with epoxy resins.
Wu J, et al.
Journal of Applied Polymer Science, 132(18) (2015)
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)
Novel tannin-based Si, P co-doped carbon for supercapacitor applications.
Ramasahayam SK, et al.
Journal of Power Sources, 275, 835-844 (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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