Polyphosphoric acids
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Polyphosphoric acids
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CAS No:
8017-16-1
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Chemical Name:
Polyphosphoric acids
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Synonyms:
Polyphosphoric acids;Phospholeum;Condensed phosphoric acids;Phosphoric acid,poly-;Super Phos 105;PPA 116;PPA 82;PPA 84;PPA 85;PPA 88;PPA 80;25852-84-0;27359-92-8;29543-82-6;29543-77-9;29543-78-0;29543-81-5;29543-83-7;29543-80-4;29543-79-1;29725-17-5;72007-34-2
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CAS No:
Description
Viscous, water-white liquid. Water solu- ble. Does not crystallize on standing; hygroscopic. The commercial acid is a mixture of orthophos- phoric acid with pyrophosphoric, triphosphoric, and higher acids and is sold on the basis of its calcu- lated content of H3PO4, e.g., 115%. Superphospho- ric acid is a similar mixture sold at 105% H3PO4. These acids revert slowly to orthophosphoric acid on dilution with water.
Characteristics
81.00000
-0.63930
Phosphoric acid appears as a clear colorless liquid or transparent crystalline solid. The pure solid melts at 42.35°C and has a density of 1.834 g / cm3. Liquid is usually an 85% aqueous solution. Shipped as both a solid and liquid. Corrosive to metals and tissue. Used in making fertilizers and detergents and in food processing.
2.06
16ºC
300ºC
1.596
H2O: MAY DECOMPOSE
Keep container closed when not in use. Keep away from water. Corrosives area. Do not store in metal containers.
2 hPa (20 °C)
Odorless
Acid taste
pH = 1.5 (0.1 N aqueous solution)
Safety Information
III
8
UN 3264
1
R34
S25-S36/37/39-S45
C
Stable. Incompatible with strong bases. Hygroscopic.
P280-P305 + P351 + P338-P310
H314
Polyphosphoric acids Use and Manufacturing
It is used in the synthesis of ofloxacin, flumequine and ketotifen and other pharmaceutical products. It is used as a catalyst in the petrochemical industry; it is used in organic synthesis and as a substitute for orthophosphoric acid.
Price Analysis
- Data: 2026-08-14
- Price: 11000.00Yuan/ton
- Change: 0
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