Sodium pyrophosphate; Tetrasodium pyrophosphate; Sodium diphosphateelectroplating additives
TECHNICAL DATA SHEET
SPP
Chemical nature
Chemical name | Sodium pyrophosphate; Tetrasodium pyrophosphate; Sodium diphosphate |
Molecular formula | Na4 P2O7 nH2O |
Molecular weight | 265.90 |
CAS No. | 7722-88-5 |
Properties
Physical form | White crystalline powder |
Concentration (%) | ≥96.5 |
P2O5(%) | ≥51.5 |
Ortho Phosphates | Pass |
PH | 9.9-10.7 |
Water insoluble matter(%) | ≤0.2 |
Loss on ignition(%) | ≤0.5 |
(As Fe) | ≤0.005 |
(As As) | ≤0.003 |
Application
Sodium pyrophosphate applied in industries of detergents as detergent auxiliary, paper production to bleach and electroplating; In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver.
Packing
In 25kgs plastic woven bags
Sodium pyrophosphate; Tetrasodium pyrophosphate; Sodium diphosphate