White crystal powder,melting point is 622℃,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。
Quality standards
(GB25566-2010、FCC-V)
Name of index
GB25566-2010
FCC-V
Sodium Tripolyphosphate ≥%
85
85
P2O5 ≥%
56.0-58.0
-
Fluoride (as F) ≤%
0.005
0.005
Arsenic (As) ≤%
0.0003
0.0003
Heavy Metal (as Pb) ≤%
0.001
-
Chloride (as Cl) ≤%
-
-
Sulfate (as SO42-) ≤%
-
-
Water Insoluble ≤%
0.1
0.1
pH (1% aqueous solution)
9.5-10.0
-
Whiteness ≥%
-
-
Pb ≤%
0.0004
0.0002
Uses
In food industry, it is used as water conservative, applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on.
Packing
In 25kg composite plastic woven/paper bag with PE liner.
Storage and transport
It should be stored in a dry, ventilative and clean warehouse; kept away from moisture and heat, and stored separately from poisonous substances.
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