... water, but insoluble in alcohol. Its solubility is 32.5% at 100centigrade. Standard Executed: HG2928-1999 Molecular Formula: Na2H2P2O7MW: 221 ... water, but insoluble in alcohol. Its solubility is 32.5% at 100°C.Usage: Used as buffer, leaven, quality modifier, ferment ... goods according to the requirement of the client. Store at ventilated dry places. Technical Specifications: Sodium Acid Pyrophosphate(SAPP) ...