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Specifications
Tech grade Sodium Tripolyphosphate STPP
1 CAS: 7758-29-4
2 Free samples
3 Grade: Industrial/Food grade
4 SGS/ISO
Tech grade Sodium Tripolyphosphate STPP
1 Chemical Name: Sodium Tripolyphosphate, Sodium Triphosphate
2 M. F: Na5P3O10
3 M. W: 367.86
4 Physical properties:
White microdot powder with luster, melting point at 622 degree centigrade, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+Mg2+, can soften hard water, change suspension into solution, alkalescent, without causticity.
5 Quality standard: (QB1034-1991, FCC-IV, GB/T9983-2004)
6 Usage:
Used as moisture conservative. Applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on.
7 Packing: It is packed with PE bags as liner, and a woven bag as the outer layer. The net weight of each bag is 25kg.
8 Storage and transport:
It should be stored in a dry. Ventilative and clean warthouse; Kept away from moisture and hot, Furthermore, it should be stored separately from poisonous Substances.
Name of index
|
QB1034-1991
|
FCC-IV
|
GB/T9983-2004
|
Sodium Tripolyphosphate ≥%
|
95
|
85
|
95
|
P 2 O 5 ≥%
|
57
|
-
|
57
|
Fluoride (as F) ≤%
|
0.003
|
0.005
|
-
|
Arsenic (As) ≤%
|
0.0003
|
0.0003
|
-
|
Heavy Metal (as Pb) ≤%
|
0.001
|
0.001
|
-
|
Chloride (as Cl) ≤%
|
0.025
|
-
|
-
|
Sulfate (as SO 4 2- ) ≤%
|
0.4
|
-
|
-
|
Water Insoluble ≤%
|
0.05
|
0.1
|
0.05
|
pH (1% aqueous solution)
|
9.5 -10.0
|
-
|
9.5-10.0
|
Whiteness ≥%
|
85
|
-
|
80
|
Pb ≤%
|
-
|
0.0002
|
-
|