Sodium Tripolyphosphate (food grade STPP)

Post Date:
Oct 04,2016
Expiry Date:
Oct 04,2017
Detailed Description:
Cas No. :7758-29-4 Quantity: 24Metric Tons
Payment Method: TT L/C at right
Specification: White microdot powder with luster,melting point at 622,freely soluble in water , easily chelate with metallicions such as Ca2+,Mg2+, has hygroscopic property.
Quality standard: (QB1034-1991,FCC-V, GB/T9983-2004) Name of index
QB1034-1991
FCC-Ⅳ
GB/T9983-2004

Sodium Tripolyphosphate ≥%
95
85
95

P2O5 ≥%
57
-
57

Fluoride (as F)≤%
0.003
0.005
-

Arsenic (As)≤%
0.0003
0.0003
-

Heavy Metal (as Pb) ≤%
0.001
0.002
-

Chloride (as Cl)≤%
0.025
-
-

Sulfate (as SO42-) ≤%
0.4
-
-

Water Insoluble ≤%
0.05
0.1
0.05

pH (1% aqueous solution)
9.5 -10.0
9.5
9.5-10.0

Whiteness ≥%
85
-
80

Lead ≤%
-
0.0002
-

Function: Emulsifier; sequestrant,etc.

Packing: Woven bag lined with PP,25kg/bag.Or,as per customers’requirements.
Storage and transport: Store in tight containers in a dry and ventilative warehouse. Keep away from moisture,hot and oisonous substances.
CAS Registry Number:
7758-29-4
Synonyms:
;pentasodium triphosphate;Pentasodium Tripolyphosphate;Sodium Phosphate Tripoly;STPP;Triphosphoric acid, pentasodium salt;Pent-sodium Phosphate;Sodium triphosphate;Sodium Tripolyphos;sodium phosphate (3:1);
Molecular Formula:
Na₅P₃O₁₀
Molecular Weight:
367.86413
Molecular Structure:
Hazard Symbols:
Xi:Irritant;
Risk Codes:
R36/37/38:;
Safety Description:
S24/25:;

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