SPECIFICATION
Sodium Tripolyphosphate
Synonyms: Pentasodium Triphosphate, Sodium Tripolyphosphate Anhydrous, Sodium Triphosphate Anhydrous.
Product Number: 12908
Empirical Formula: Na5P3O10
CAS Number: 7758-29-4
Molecular Weight: 367.86
Characteristics: White powder. Soluble in water, insoluble in ethanol.
Test Parameter Specifications Method
Identification A (FCC) Positive FCC
Identification B (FCC) Positive FCC
Identification A (EC) Positive EC
Identification B (EC) Positive EC
Identification C (EC) Positive EC
Assay (Na5P3O10) ≥85% FCC, EC
Arsenic ≤ 3 ppm FCC, EC
Fluoride ≤ 0.001% FCC, EC
Lead ≤ 2 ppm FCC, EC
Insoluble Substances ≤0.1% FCC, EC
P2O5 (as Anhydrous) 56-59% EC
Loss on Drying ≤0.7% EC
Higher Polyphosphate ≤1.0% EC
Mercury ≤1 ppm EC
Cadmium ≤1 ppm EC
Salmonella Negative CP 2005
E. Coli Negative CP 2005
Total Plate Count 1000 cfu/g CP 2005
Yeast, Molds 100 cfu/g CP 2005
Coliform Negative CP 2005
Complies with FCC, USP, EP, E341 requirements
Packing: Packed in 25kgs or 50lbs net paper bag with PE bag inner.
Storage and Transport: Store in a tightly sealed container in a cool, dry, well ventilated area. Avoid exposure to heat and moisture.
Shelf life: Two years.
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