Sodium Tripolyphosphate (STPP)









Sodium Tripolyphosphate (STPP)

Sodium Tripolyphosphate (STPP)

Description: Sodium Tripolyphosphate is a white powder.

Synonym: STPP, Pentasodium Triphosphate, Sodium Tripolyphosphate Anhydrous

Formula: Na5P3O10

Molecular weight: 367.9

CAS number: 7758-29-4

CAS Index name: Triphosphoric Acid, Pent sodium Salt

Grade: Food grade, Free from any harmful and toxic substance.

Specification:

Appearance:White powder

Na5P3O10:95.0% Min

P2O5:57.0% Min

Fluorides (As F) :10 ppm Max

Pb: 1ppm max

As:1 ppm Max

Cd: 1ppm max

Hg: 1ppm max

Heavy metal (as pb):10 ppm Max

Higher polyphosphates: 1ppm max

Water insoluble:0.05% Max

Ph (1% of aqueous Solution):9.5-10.0

Chlorides (As Cl-­) :0.025% Max

Sulphates (As SO42-) :0.4% Max

Whiteness :85% Min

Loss on drying (1hr.105℃):0.4% max

Lead (Pb):5 ppm max

Particle size:

STPP powder: 80% min pass mesh 100.

STPP common granular: mesh 20-100.

STPP solid granular: mesh 16-80.

Uses: A wide variety of processed food products Including dairy and meat processing.

Storage:Cool and dry

Label Declaration or marks of package: Sodium Tripolyphosphate Food grade


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Net weight/gross weight,Batch No., Manufacturing date and expiry date,Country of origin

Shelf Life: 3 years

MainportofChina.
One20’FCL max loading 25mt without pallets, 22mt with pallets

Packing: N.W. 25kgs/bag, Inner PE bag two layers; Outer PP woven bag or paper bags.


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