Polyphosphoric acid|H6P4O13|8017-16-1|tetrapolyphosphoric acid|PPA

As manufacturer and supplier of phosphoric acids, phosphates and polyphosphates, we can supply high quality polyphosphoric acid (H₆P₄O₁₃) for technical applications.

Title: Polyphosphoric acid

Synonyms: tetrapolyphosphoric acid
Formula: H₆P₄O₁₃, Molecular: 337.93
CAS #: 8017-16-1, EC #: 232-417-0

Standard(s): Q/4170-2008

Grade: Technical grade, Food grade

Specifications	Technical grade	Food grade
Packing:	40Kgs/drum, 340Kgs/drum, in PP drums or IBCs, or as customer's requirements.
Assay (H₆P₄O₁₃) %	115 min	116 min
Color (Hazen)	50 max	20 max
Chloride (Cl) %	0.002 max	0.002 max
Sulphate (SO₄) %	0.01 max	0.002 max
Iron (Fe) %	0.01 max	0.005 max
Arsenic (As) %	0.01	0.005 max
Heavy metal (as Pb) %	0.01 max	0.003 max
Phosphate (as P₂O₅ ) %	84 min	84 min

Polyphosphoric acid is clear transparent colorless viscous liquid, corrosive, deliquescent, easy to flow at 60 ℃, freezing like glass at low temperature, soluble in water with hydrolysis to phosphoric acid.

Density: 2.060. Boiling point: 300 ℃.

Polyphosphoric acid is uded as cyclizing agent and acylating agent in organic synthesis; analytical reagent.

Keep in cool dry place.

Air transportation: Restricted.

Harzards Identification & Classifications: Class 8.

24 months.