Classification: | Phosphate |
---|---|
Model Number: | 98890 |
Brand Name: | huaxing |
Application: | detergent catalyst,water treatment,quality improving agent |
Appearance: | white crystalline powder |
Purity: | 94% |
Grade Standard: | Industrial Grade |
Place of Origin: | China (Mainland) |
EINECS No.: | 231-545-4 |
MF: | Na5P5O10 |
Other Names: | PENTASODIUM TRIPOLYPHOSPHATE |
CAS No.: | 7758-29-4 |
Type: | Sodium Tripolyphosphate |
Quick Details
Specifications
Sodium Tripolyphosphate
CAS No.: 7758-29-4
Molecular Formula: Na5P3O10
Molecular weight: 367.86
H.S.Code: 2835 3100
Purity: 94%Min
Certificate: ISO, SGS, BV, CIQ
STPP Sodium Tripolyphosphate is white microdot powder with luster, melting point at 622 o C, easily soluble in water, with
remarkablechelating ability to some metal ions such as Ca 2+, Mg 2+, can soften hard water, change suspension into solution,
slightly alkaline, without causticity.
Index | Industrial grade | Food grade |
Na5P3O10 (%) | 94min | 95min |
P2O5 (%) | 57max | 57max |
Insolubles in water (%) | 0.15max | 0.05max |
Fe (%) | 0.007max | N |
Ph (1% solution) | 9.2--10 | 9.5--10 |
Heavy Metal (As Pb) (%) | 0.001Max | |
Arsenic (As) (%): | 0.0003Max | |
Fluoride(F) (%): | 0.003Max | |
Whiteness(%): | 90Min | 90Min |
Density g/m3 | 0.35-0.9 | 0.35-0.9 |