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GENERAL
CHEMICAL NAME : SODIUM ACID PYROPHOSPHATE
MOLECULAR FORMULA: Na2 H2 P2 O7
MOLECULAR WEIGHT : 221.95
CAS NUMBER : 7758-16-9
APPEARANCE : White powder
SPECIFICATIONS
Properties Typical Values
Purity , % 95.0 min.
pH (1% solution at 25 oC) 3.8 – 4.5
Sulphate (as SO4 ), % 0.04 max
Chloride (as Cl ), % 0.06 max
Arsenic (as As2O3 ), ppm 4.0 max
Heavy Metal (as Pb ), ppm 20.0 max
PACKING
25kg per PP bag, palletized
TRANSPORT INFORMATION
Not regulated
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