Sodium Tripolyphosphate (STPP)
Tech Grade (Granule)
PRODUCT IDENTIFICATION
GENERAL INFORMATION
|
• HS CODE |
2835310000 |
|
• CAS NO |
7758-29-4 |
|
• EINECS Code |
231-838-7 |
PROPERTIES
|
• Appearance |
white granule |
|
• Melting Point |
622 °C |
SPECIFICATIONS
|
Item |
Specification |
|
Na5P3O10 |
94.0% Min |
|
P2 O 5 |
57.0% Min |
|
Water Insoluble Matter |
0.15% Max |
|
Iron(Fe) |
0.015% Max |
|
PH value (1% water solution) |
9.2-10.0 |
|
Whiteness |
92% Min |
|
Ignition loss |
1.0 |
|
density (g/cm3) |
0.35-0.9 |
|
Phase I |
10-30 |
APPLICATION
1. Used as main auxiliary of synthetic wash, soap synergistic agent, water softener,
leather pre-tanning agent, dye auxiliary agent, as dispersant of suspension such as paint,
kaolin, magnesium oxide, calcium carbonate drilling mud, and as preservative agent for
paper making, organic synthesis catalyzer;
2. Used in epuration of petroleum product, gum latex storage, as dispersant,
solvent in metal industry
|
PACKING |