... , GMP and HALAL 3.acts as a buffer,leaven,modi Sodium Acid PyrophosphateChemical Name: Sodium Acid Pyrophosphate(15,28,40)Formula: Na2H2P2O7Molecular ... insoluble ≤%1.0PH value3.5-4.5Usage: It acts as a buffer, leaven, modifier, emulsifier, nutrient and canning preservative in ... woven bags.Storage and Transport:It should be stored in a dry, ventilative and clean warehouse; kept away from moisture ...