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Polyphosphoric Acid (PPA)

IDENTIFICATION

Synonyms: Phospholeum; Tetraphosphoric acid; Superphosphoric acid; PPA
De: Polyphosphorsäuren ES: Ácidos polifosfóricos Fr: Acides polyphosphoriques
CAS No.: 8017-16-1
EC No.: 232-417-0
Molecular Weight:  337.93 (similar)
Molecular Formula: H6P4O13 (similar) (polyphosphoric acid is an inorganic polymer with different polymerization degress)
Structural Formula: polyphosphoric acid
Density: 2.05
M.P.: 550°C
Freezing Point.: 16°C

PREPARATION

Polyphosphoric acid is made by the process of ...

APPLICATION

Polyphosphoric acid has many applications such as:
1) Cyclizing agent and acylating agent in organic synthesis;
2) Alternative for phosphoric acid;
3) Dehydration agent

4) Use as a stabilizer in manufacturing Polyester (PET chip/fiber), Polyurethane (PU)

SPECIFICATION
Parameters Specification
Appearance colorless and transparent sticky liquid
Content as H3PO4 116%, 115%, 110%, 105%
Chlorides as Cl 0.0005% max.
Heavy metals (as Pb): 0.0030% max.
Iron (Fe): 0.0020% max.
Arsenic 0.008% max.
STANDARD PACKAGING

40kgs per Jerry can, 340kg per 200L plastic drum, 1600kg per 100L IBC (tote)

200L drums for polyphosphoric acid
RISKS & SAFETY INFORMATION

HYGROSCOPIC LIQUID
Polyphosphoric acid is regulated by UN as corrosive liquid without no sub-risks.
Hazard Class: 8, UN Number: UN1805, Packing Group: III
For more information, please refer to MSDS.

warning corrosive

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