Tetrasodium Pyrophosphate is used as a buffering agent, an emulsifier, a dispersing agent, and a thickening agent, and is often used as a food additive. Common foods containing tetrasodium pyrophosphate include chicken nuggets, marshmallows, pudding, crab meat, imitation crab, canned tuna, and soy-based meat alternatives and cat foods and cat treats where it is used as a palatability enhancer.

Items	Standards
Na4P2O7;	95%
PH at 1%	9.9-10.7
Loss of ignition <	0.50%
Heavy metal (As Pb) PPM	10
Cl<	0.03%
Water insolubles<	0.20%
Fluoride (F) PPM <	50
Arsenic (As) PPM <聽	3
Size	85% Min throu 100 Mesh

Tetrasodium Pyrophosphate is used in the food industry as an emulsifier, buffer, chelating agent, gelling agent, and stabilizer.