Sodium Tripolyphosphate

Post Date:
Oct 29,2013
Expiry Date:
Nov 12,2013
Detailed Description:
Cas No. :7758-29-4 Sodium Tripolyphosphate
Property: White powder or Crystal
Specification:
Index Surface Density (g/cm3) Content of Phase I (%)
Code L M H A B C
Spec 0.35-0.50 0.51-0.65 0.66-1.00 5-20 21-40 >40

Item Technical Grade (index) Food Grade (index)
Main Content (Na5P3O10) ≥ 94% 94%
Phosphorus Pentoxide (P2O5) ≥ 57% 57%
Whiteness ≥ 90% 85%
Insoluble matter in water ≤ 0.1% 0.05%
Iron (Fe) ≤ 0.01%
PH Value (10g/l solusion) 9.2-10.0 9.5-10.0
Density g/cm3 0.4-1.0
Arsenic (As) ≤ 0.0003%
Heavy Metal (as Pb) ≤ 0.001%
Fluoride (as F) ≤ 0.003%
Chloride (as Cl) ≤ 0.025%
Sulphate ≤ 0.4%
Packing: In 25kg or 50kg PP woven bags line with PE film bag inside.
Application: Technical grade is mainly used in china, scour, petroleum, metallurgy, mining, warter treatment, printing and dyeing industry and so on. Food grade complex plastic interweaved sack outside with double-layer polyethylene-film sack inside, net weight 25kg; or based on the demand of user.
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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