Sodium Tripoly Phosphate( STPP)

PF009  SODIUM TRIPOLY PHOSPHATE  (STPP)  FOOD GRADE

    9.1  Identity:

Chemical name: Pentasodium Tripolyphosphate

Molecular formula: Na5P3O10

Molecular Weight 367.86

CAS number:  7758-29-4

    9.2  Physical and chemical properties:

Appearance: white fine powder

Bulk Density: 0.65-0.8g/ml

    9.3  Specification    

Main content:       95%min

P₂O₅:              57%min

Insoluble:           0.05%max     

PH value:           9.5-10.0

Sulfate:             0.2%max

Chloride:           0.025%max

As:               0.0003%max

Heavy metal(as Pb):   0.001%max

Fluoride             0.003%max

Whiteness           90%min

(All figures are on w/w bases)

9.4  Applications:

        Brine additive for fish and fish fillets, warm seas shrimps and scallops

Meat processing, sausage.

Improves the water holding capacity of meat and seafood products

Prevents denaturation of proteins

Stabilize the color of the products

Improves the texture of meat processing  the texture of meat a