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LC5233 Sodium polyphosphate
extra pure (Graham’s salt)


Order number Packaging Quantity Price €
AC32233 Plastic bottle 1 kg inquire
AC32233 Plastic bottle 5 kg inquire
AC32233 Fibre carton 50 kg inquire


Product information
Synonyms Graham’s salt, Sodium metaphosphate
Hill Formula (NaPO3)n
Chemical formula (NaPO3)n n=ca.25
HS Code 2835 39 00
EC number 233-782-9
CAS number 10361-03-2


Chemical and physical data
Solubility 1000 g/l (20 °C)
Melting point 550 °C
Density 2.5 g/cm3 (20 °C)
Bulk density 1000 kg/m3
pH value 5.7 (10 g/l, H2O, 20 °C)
Vapor pressure 30 hPa (20 °C)


Safety information
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.


Toxicological data
LD 50 oral LD50 rat > 2000 mg/kg