Tetra Sodium Pyrophosphate Anhydrous 7722-88-5 Na4p2o7 Pyrophosfate Tetra Sodium Pyrophosphate Tspp

• CAS No.: 7722-88-5/13472-36-1
• Formula: Na4p2o7
• EINECS: 231-767-1/603-854-8
• Certification: ISO
• Purity: 90%~99%
• Grade Standard: Food Industrial Grade
• Sid: F0174004
• Transport Package: 25kg Net Plastic Woven Bag
• Specification: 96.5 Min
• Trademark: Fengda
• Origin: China

Product Description

SODIUM PYROPHOSPHATE
Chemical name: Anhydrous sodium Pyrophosphate
Formula: Na₄P₂O₇
Molecular Weight: 265.90
Property: White powder, easily soluble in water, density at 2.45, melting point at 890ºC, its water solution is alkaline, PH value in 1% solution is 9.9~10.7
Specification:

Specifications	Industrial grade	Food grade
Main contents%≥	96.5	96.5
Phosphorus pentoxide%≥	51.50	51.50
Phosphate	Qualified	Qualified
PH value of 1% solution	9.9-10.7	9.9-10.7
Fineness (through 60 mesh) %≥	90	90
Heavy metals, as Pb%≤		0.001
Arsenic, as As%≤		0.0003
Fluoride as F%≤		0.005
Water insoluble%≤	0.10	0.10

Usage: Mainly used as detergent in washing, bleach in paper-making, and electroplating, etc. For food grade it is mainly used as food additive, buffering agent, emulsification agent, and nourishment, and modifying agent, etc.
Packing: in 25kg net plastic woven bag