Sodium Tripolyphosphate (stpp)
| Price : | Price Negotiable |
| Quantity : | 100000 () |
| Minimum Order : | 1 |
| Product Status : | New |
| Sample Available : | yes |
| Payment Mode : |
Cash |
| Categories : | Chemicals, Inorganic Chemicals, Gas |
| Posted By : | Tianjin Hechenghuachuang Chemical Co.,ltd |
Description
Product: Sodium Tripolyphosphate (STPP)
Chemical Formula: Na5P3O10
CAS No: 7758-29-4
Appearance: White powder or particles
Packing: 25 or 50 kgs in woven bag lined with plastic bag, 20MT/20’ FCL.
Usage: The water treatment, the food modifier, the water keeping agent.
Specifications fo Sodium Tripolyphosphate:
| Item | Food Grade | Industrial Grade |
| P (as P2O5) | 57.0 %min | 57.0 min |
| Assay | 94 % min | 94 min |
| PH value | 9.5-10.0 | 9.2-10.0 |
| Water insoluble | 0.05 %max | 0.1max |
| Heavy metal (as Pb) | 0.001% max | - |
| Iron as Fe | 0.01% max | 0.015max |
| Chloride (as NaCl) | 0.025% max | - |
| Fluoride (F) | 0.003%max | - |
| Arsenic as As | 0.003% max | - |
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