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Polyphosphoric Acid, Sigma-Aldrich™

Product Code. 15899470
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Quantity:
100 mL
500 mL
2.5 L
Unit Size:
100mL
2.5 L
500mL
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Product Code. 15899470 Supplier Sigma Aldrich Supplier No. 8074710100
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Estimated Shipment: 09-11-2026
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Description

For synthesis

Polyphosphoric acid (PPA) is a strong mineral acid that combines orthophosphoric acid and linear phosphoric acids. It is widely used in organic synthesis because of its powerful dehydrating properties, low nucleophilicity of the phosphoric acid media, good solvation power, relatively mild acidity, and low oxidation potential. Even though PPA is a significantly weaker acid than H2SO4, it demonstrates 100% dehydration rate.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 8017-16-1

Specifications

Melting Point -20°C
Boiling Point 530°C/1013 hPa
Density 2.06 g/cm3 at 20°C
Quantity 100 mL
Molecular Formula HO[P(OH)(O)O](n)H
MDL Number MFCD00084480
Synonym Polyphosphoric acid, PPA, Polyphosphoric acid
Grade Ungraded
Chemical Name or Material Polyphosphoric Acid
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