Tetrasodium Pyrophosphate
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Chemical formula: Na4P2O7
Molecular weight: 265.9
CAS NO.: 7722-88-5
Ref. Standard: HG/T2968-1999(Industrial grade);HG2923-1999(Food grade)
production capacity:5000 t/a
Properties: White powder, easily soluble in water, relative density is 2.45, melting point is 890℃, its water solution is alkaline, pH value of 1% water solution is 9.9-10.7.
Technical Specifications:
No. | Index | Industrial grade | Food grade |
1 | Main content %≥ | 96.5 | 96.5 |
2 | P2O5 %≥ | 51.5 | 51.5 |
3 | Phosphate | Qualified | Qualified |
4 | pH of 1% water solution | 9.9-10.7 | 9.9-10.7 |
5 | Water insoluble %≤ | 0.2 | 0.2 |
6 | Heavy metal, as Pb %≤ | - | 0.001 |
7 | Arsenic, as As %≤ | - | 0.0003 |
8 | Fluoride, as F %≤ | - | 0.005 |
9 | Sieve test(Through 60 mesh) %≥ | 90 | 90 |
Application: Mainly used as detergent in washing, bleach in paper-making, electroplating, etc. For food grade it is mainly used as food additive. Buffering agent, emulsification agent, and nourishment, and modifying agent, etc.
Mainly used as detergent in washing, bleach in paper-making, electroplating, etc. For food grade it is mainly used as food additive. Buffering agent, emulsification agent, and nourishment, and modifying agent, etc.
CAS NO:7722-88-5
EC NO:231-767-1
Molecular Formula:Na4P2O7
Molecular Weight:265.9
Synonyms:;Sodium pyrophosphate;Tetrasodium pyrophosphate;TSPP;Tetra Sodium Pyrophosphate;Tetrasodium Diphosohate;
Molecular Structure:
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