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Details for China TSPP

TSPP 7722-88-5(Anhydrous) 13472-36-1(10H20)

Category :

Inorganic chemicals

TSPP
CAS NO : 7722-88-5(Anhydrous) 13472-36-1(10H20)
EC NO : 231-767-1
MF : Na4P2O7
MW : 265.9
Packing : In double layer bags of 25Kg net. It must be stored in places well ventilated and dry.
Product description :

Category :

phosphate
Product name : Tetra Sodium Pyrophosphate(TSPP)
Description :
Byname: Tetra Sodium pyrophosphate
Molecular formula: Na4P2O7
Molecular Weight: 265.9
Standard executed: HG/T2968-1999(Technical Grade)
                                        GB8848-88(Food Grade)
Properties:
White powder; Soluble in water but insoluble in ethanol; Relative density 2.45g/cm3 and melting point 890 ; Deliquescent in the open air. Its aqueous solution shows weak alkalinity and is stable at 70 but will be hydrolyzed into di-sodium phosphate when boiled .
Guaranteed Technical Specifications:
NO
Specifications
Industrial Grade
Food Grade
1
Assay (as Na4P2O7 )%≥
96.5
96.5
2
P2O5 %≥
51.5
51.5
3
Ortho Phosphates
pass
pass
4
PH Value
9.9-10.7
9.9-10.7
5
Water Insoluble matter % ≤
0.2
0.2
6
Size (through 60mesh sieve)
90
90
7
Fluoride (as F) ≤
 
0.005
8
Heavy Metals (as Pb) % ≤
 
0.001
9
Arsenic (As)% ≤
 
0.0003
10
L.O.I. % ≤
 
0.5
Uses : 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.
Synonyms : Sodium pyrophosphate;Tetrasodium pyrophosphate;TSPP;Tetra Sodium Pyrophosphate;Tetrasodium Diphosohate;
Molecular Structure : TSPP 7722-88-5(Anhydrous) 13472-36-1(10H20)