Sodium pyrophosphate anhydrous TSPP (Technical grade)
Application grade: technical grade
Executive standard: HG/T2968-1999
Property: Appearance White powder or crystal.
Alias: Sodium pyrophosphate; Tetrasodium pyrophosphate; TSPP; Tetra Sodium Pyrophosphate; Tetrasodium Diphosohate
Packing instruction: Paper bag or PP-PE bag, Net weight 25kg, 40kg per bag, or based on the customers' requirements.
Molecular formula: Na4P2O7
Molecular weight: 265.90
CAS RN: 13472-36-1
Properties:
White powder or crystal. Relative density 2.534, melting point 880ºC, boiling point 93.8ºC, specific gravity 2.534. Colorless transparent crystal or white crystalline powder. Easily soluble in water, solution in 100g water at 20ºC is 6.23; insoluble in alcohol. Aqueous solution is stable under 70ºC.
Uses:
In electroplating industry, it can be used in preparing electroplate liquid; in textile industry, it can be used as wool degreasant and wool bleaching agent; in papermaking industry, it can be used in bleaching paper and plant fiber; in dyeing and printing industry, it can be used as auxiliary for printing and dyeing, and for refined bleaching, etc.
Quality specification: technical grade: HG/T2968-1999; upon customer's request
food grade: HG2923-1999; FCC; upon customer's request
| Item |
Index |
| Main content w/% ≥ |
Sodium pyrophosphate anhydrous |
Tetrasodium pyrophosphate decahydrate |
| Water insoluble matter w/% ≤ |
96.5 |
98.0 |
| PH value |
0.15 |
0.10 |
| Orthophosphate |
9.9-10.7 |
We can supply nearly all types Phosphoric salt.Like STPP.TSP.SHMP.PPA.SAPP.
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