- Inorganic Chemicals; Organic Or Inorganic Compounds Of Precious Metals, Of Rare-earth Metals, Of Radioactive Elements Or Of Isotopes
- Phosphides, Whether Or Not Chemically Defined, Excluding Ferrophosphorus.
- Phosphides, Whether Or Not Chemically Defined (excl. Ferrophosphorus, And Inorganic Or Organic Compounds Of Mercury Whether Or Not Chemically Defined)
Sodium pyrophosphate
Product Property
| Product Status : | Used |
| Sample Available : | yes |
| Shipment Terms : | fob,cfr,cif,Negotiable |
| Payment Mode : |
T/T,L/C,Negotiable |
Description
Chemical formula:Na4P2O7
Molecular Weight：265.90
Property :white powder, specific density is 2.45 and melting point is 890℃, easily soluble in water but insoluble in ethanol. Its aqueous solution shows alkaline.
| Items | value | Technical Grade | Food Grade |
| Main content(as Na4P2O7) | %≥ | 97.0 | 97.0 |
| Phosphorus Pentoxide(as P2O5) | %≥ | 51.0 | 51.0 |
| Water insolubles | %≤ | 0.20 | 0.20 |
| pH of 1% solution | 9.9-10.7 | 9.9-10.7 | |
| Orthophosphate | Through test | Through test | |
| Heavy metals(as Pb) | %≤ | 0.001 | |
| Arsenic (as AS) | %≤ | 0.0003 | |
| Fluoride (as F) | %≤ |
| 0.005 |
| Fineness (pass through 60 mesh) | %≥ | 90 | 90 |
