China (Mainland)
Industrial Sodium Pyrophosphate (TSPP) CAS NO.7722-88-5
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- Min.Order: 1 Metric Ton
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- Product Details
Keywords
- Sodium pyrophosphate
- 7722-88-5
- DIPHOSPHORIC ACID TETRASODIUM SALT;DIPHOSPHORIC ACID, TETRASODIUM SALT, DECAHYDRATE;DECAHYDRATE TETRASODIUM PYROPHOSPHATE;TETRA-SODIUM DIPHOSPHATE;TETRA-SODIUM DIPHOSPHATE-10-HYDRATE;TETRA-SODIUM DIPH
Quick Details
- ProName: Industrial Sodium Pyrophosphate (TSPP)
- CasNo: 7722-88-5
- Molecular Formula: Na4O7P2
- Appearance: White Crystalline Powder
- Application: Used as quality improver, emulsifier, ...
- DeliveryTime: Prompt
- PackAge: Paper bag or PP-PE bag, Net weight 25...
- Port: QingDao,China;XinGang,China;ShangHai,C...
- ProductionCapacity: 1000 Metric Ton/Year
- Purity: 98%min
- Storage: Treasury ventilation low-temperature d...
- Transportation: By Sea,By Air,By Courier
- LimitNum: 1 Metric Ton
- Water Content: 0.01% max
- Impurity: 0
- Ash: 0
- Grade: Industrial Grade,Food Grade,Pharma Gra...
- 0: 0
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Details
Alias: Sodium pyrophosphate for food
Molecular formula: Na4P2O7, Na4P2O7•10H2O
Physicochemical properties: White powder or crystal. Melting point 880℃. Density 2.534g/cm3. Soluble in water and insoluble in alcohol. It's aqueous solution is alkaline and stable below 70℃, hydrolyzes into sodium hydrogen phosphate after boiling. Can form complex with alkaline earth metal ion, liable to deliquesce.
Executive standard: GB 25557-2010
Quality standard:
Sensory requirements: Should be comply with the following provisions.
|
Item |
Requirements |
|
Color |
White |
|
Structural state |
Powder or crystal |
Physicochemical index: Should be comply with the following provisions.
|
Item |
Index |
|
Tetrasodium pyrophosphate (Na4P2O7•10H2O), w/% ≥ |
98.0 |
|
Sodium pyrophosphate anhydrous(Na4P2O7),w/% |
96.5~100.5 |
|
Orthophosphate |
Passes the test |
|
pH (10g/L solution) |
9.9~10.7 |
|
Arsenic (As)/ (mg/kg) ≤ |
3 |
|
Fluoride (Calculated by F)/ (mg/kg) ≤ |
50 |
|
Heavy metal (Calculated by Pb)/ (mg/kg) ≤ |
10 |
|
Lead (Pb)/ (mg/kg) ≤ |
4 |
|
Water insoluble matter, w/% ≤ |
0.2 |
|
Ignition content (Na4P2O7•10H2O),w/% |
38.0-42.0 |
|
Ignition content(Na4P2O7),w/% ≤ |
0.5 |
|
a:Ignition loss (Na4P2O7) index is the ex-factory testing rating. |
|