Inorganic Salt & Single Substance
Tetra Sodium Pyrophosphate (TSPP)
Description
Molecular formula: Na4P2O7
Molecular Weight: 265.9
Standard executed: HG/T2968-1999(Technical Grade),GB8848-88(Food Grade)
CAS Number: 7722-88-5
Specifications Industrial Grade Food Grade
Assay (as Na4P2O7 )%≥ 96.5 96.5
P2O5 %≥ 51.5 51.5
Ortho Phosphates pass pass
PH Value 9.9-10.7 9.9-10.70
Water Insoluble matter % ≤ 0.1 0.1
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.
Properties: White powder; Soluble in water but insoluble in ethanol; Relative density 2.45g/cm3and 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 .
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CCNT Indusitrial and Trading Corp.
Phosphate
Address: Rm 1002, Unit 1of Bldg 1, 27# 4th section of South Renmin Road, Wuhou District, Chengdu City,
Chengdu, Sichuan
China, 610041
Tel: 0086-28-86026206
Fax: 0086-28-86026500
