sodium pyrophosphate(redirected from Tetrasodium phosphate)
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Related to Tetrasodium phosphate: sodium pyrophosphate
sodium pyrophosphate[′sōd·ē·əm ¦pī·rō′fä‚sfāt]
Na4P2O7 A white powder; soluble in water, insoluble in alcohol and ammonia; melts at 880°C; used as a water softener and newsprint deinker, and to control drilling-mud viscosity. Also known as normal sodium pyrophosphate; tetrasodium pyrophosphate (TSPP).