SODIUM ACID PYROPHOSPHATE

Usage:As a leavening agent it is applied to roast foodstuffs to control the fermentation speed; When applied to instant noodles, it can shorten water resetting time and avoid stickiness and mushiness of the noodles; When applied to crackers or cakes, it may shorten fermentation time, lower the breakage, make the porous space in good order and therefore lengthen the shelf life.
Standard:

Item Unit Specification
Tech grade Food grade
Appearance: - White powder White powder
Main content: % 95 min 95 min
Phosphorus pentoxide as P2O5: % 63.0-64.0 min 63.0-64.0 min
Ph of 1% water solution: - 3.5-4.5 3.5-4.5
Heavy metal as Pb: % -- 0.002 max
Arsenic as As: % -- 0.0003 max
Fluoride as F: % -- 0.005 max
Loss on ignition(105℃) % 0.5 max 0.5 max
Water insoluble: % 1.0 max 1.0 max