Sodium hexametaphosphate
Mostly used as food additive.
Other names: Sodium Polyphosphates, Glassy; Sodium Tetrapolyphosphate; Graham's Salt
Short name: SHMP
CAS No.: 68915-31-1
Chemical formular: (NaPO3)6
HS Code: 28353990
Properties: White powder; Soluble in water, but insoluble in organic solvent
Applications:
Used for bleaching agent for textile fibres; Colors stripper and dechlorination; Preparation of Indigo Vat Dye; Solubilizing and acidyfing agent for leather industries; Bleaching agent for paper pulps; Preservative and sterilisation agent (food additive) for food industries
Packing: 25kg PP bag, 22MT/20'FCL

Sodium Hexametaphosphate	Tech Grade	Food Grade
Total phosphates (as P2O5 )%	68 min	68.0 min
Inactive Phosphates (as P2O5 )%	7.5 max	7.5 max
Iron (Fe) %	0.05 max	0.05 max
PH Value	5.8-7.3 max	5.8-6.5 max
Solubility	Qualified	Qualified
Heavy Metals (as Pb) %	0.001max	0.001max
Water insoluble %	0.05max	0.06max