Sodium Tripolyphosphate stpp cas 7758-29-4

Post Date:
Feb 01,2013
Expiry Date:
Feb 01,2014
Detailed Description:
Cas No. :7758-29-4 Specs:Sodium Tripolyphosphate cas 7758-29-4
Payment Method: L/C TT
Sodium Tripolyphosphate
STPP cas 7758-29-4
food grade tech grade
STANDARD GB1034-91 VALIDITY Two
Years
ITEMS SPECIFICATION RESULTS
Assay Na5P3O10 % 94.0 Min.
95.56
P2 O 5 % 56.5 Min. 57.08
Water Insoluble Matter % 0.05
Max. 0.03
Iron(Fe) % 100ppm Max. 17ppm
PH value (1% water solution) 9.5-
10.0 9.72
Heavy Metal (as Pb) % 10ppm Max.
2ppm
Arsenic (As) % 3ppm Max. 2ppm
Fluoride (F) % 30ppm Max. 9ppm
Whiteness % 90 Min. 91.12
density 0.65 to 0.9 0.81
CONCLUSION: PASS
REMARKS:
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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