tetra sodium pyrophosphate food grade

character: white powder, easily soluble in water, insoluble in alcohol, density: 2.45, relative density:2.45, melting point: 890°c. water solution is alkaline, ph of 1% solution is 9.9-10.7.
package: 25kgs woven bag lined with plastic bag, according to the customer’s demand , stored at draughty dry places..
usage: used as the buffering agent, the emulsifying agent, the nutritional agent and the quality modifying agent in the food industry, commonly used in canned food, juice drinks, dairy products, meat products, milk, ice cream and instant noodles etc.
performed specifications:
specification food grade
appearance white powder
main content(based on na4p2o7) %≥ 96.5
phosphorus pentoxide ( p2o5 ) %≥ 51.5
water insoluble %≤ 0.20
ph value(1% aqueous solution) 9.9-10.7
orthophosphate pass the test
heavy metals, as pb % ≤ 0.001
arsenic, as as % ≤ 0.0003
fluoride, as f % ≤ 0.003

7722-88-5