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Potassium metaphosphate Potassium polymetaphosphate 7790-53-6
Molecular Formula KPO3
Molecular Weight 118.06
CAS Registry Number 7790-53-6
EINECS 232-212-6
Properties: White or colorless crystals or pieces, sometime white fiber or powder. odourless,
slowly soluble in water ,its solubility is according the polymeric of the salt, usually 0.004%. Its
water solution is alkaline.soluble in enthanol.
Uses:
Used as a fatter emulsifier, enhance water holding capacity, water soften agent,
chelating agent and texture modifier mainly used in seafood flavors.
PARAMETER | SPECIFICATION |
Appearance | White power or granule |
Melting point (Celsius) | 807 |
Content (KO2) | 39.0% min |
Content (P2O5) | 60.0% min |
PH(1% suspension) | 3.5-4.6 |
Fluoride,as F | 10 ppm max. |
Viscosity | 5.0-25.0 CP |
Bulk density | 550-950 g/l |
Arsenic,as As | 3 ppm max. |
Lead,as Pb | 4 ppm max. |
Mercury,as Hg | 0.5 ppm max. |
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