The domestic and foreign trade
of phosphorous chemical products

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Polyphosphoric acid

English name: Polyphosphoric acid, PPA
Molecular formula: H6P4O13
Molecular weight: 337.93
IMDG classification and number: GB8.1 category 815052.
PPA is colorless transparent viscous liquid, specific gravity is 2.1g/CM3
Storage and transportation:
It is corrosive. Packing: (Ⅲ) category. Plastic drum or glass bottle with wooden case lined with incombustible material outside. Storage and transportation: keep in cool and dry place. Separate from alkalis, toxic articles and corrosive articles. The operator shall wear acid resistant protective equipment.
Quality guarantee period:
60 days between May and September; 90 days between October and April.

Item Index
Technical grade food grade
Content ≥115% ≥116%
Content (P2O5)% ≥84% ≥84%
Sulfate 0.01 0.002
Viscosity (centipoise) 35000 35000
Chroma (Hazen) 50 20
Heavy metal (Pb)% ≤0.01 ≤0.003
Iron content(Fe)% ≤0.01 ≤0.003
Arsenic content(As)% ≤0.01 ≤0.005

Application range:
This product can be widely used in pharmaceutical, spice, leather, chemical and other industries.

Packing package weight (net weight) (or upon customer's request)
Technical grade 40-340Kg plastic drum
food grade 1Kg,2Kg plastic bottle
Export grade 20L-1000L plastic drum