Sodium Tripolyphosphate STPP

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4.T/T or L/C
5. STPP
STPP(Sodium TriPolyPhosphate)
Molecular formula:
Na
5
P
3
O
10
Molecular weight:
367.86
Specification:
in accordance with QB1034-91; FCC(IV) or following your demand

STPP Sodium Tripolyphosphate

Na
5
P
3
O
10
,% ,Min.
94
P
2
O
5
,% ,Min.
57
Insolubles, % Max.
0.05
PH Value(1%Solution)
9.5-10.0
Iron (Fe), %, Max.
0.015
Fluoride (F), %, Max.
0.003
Chloride (Cl), %, Max.
0.025
Sulphate (as SO
4
), %, Max.
0.4
Bulk density, g/l
650-990
White degree %,Min.
93
Phase I
10-30