Sodium Pyrophosphate (Tspp)

We are offering our clients a wide range of Sodium Pyrophosphate (TSPP), which are available following Specifications :-
Product: Sodium Pyrophosphate(TSPP)
Molecular formula: Na4P2O7
Molecular Weight: 265.9
CAS No.: 7722-88-5
Packing: packed in plastic woven bag with PE lining,25kgs/bag
Volume/ 20FCL: 22MT
Payment term: L/C at sight or T/T (30% T/T in advance, 70% against the copy of B/L).
Standard executed: HG/T2968-1999(Technical Grade), GB8848-88(Food Grade)
Properties:
White powder; Soluble in water but insoluble in ethanol; Relative density 2.45 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 .
Usage 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.
Specifications:
ItemsTechnical Grade
AppearanceWhite powder or granular
Assay (Na4P2O7) %a Y97
Iron (Fe) %a 0.005
Heavy metal (as Pb) %a 0.002
Arsenic (As) %a 0.0005
Lead (Pb) %
Fluoride (F) %a 0.002
pH (1% sol.)9.9-10.7