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 Dortmund Data Bank
Thermophysical Data for Process Design
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DDB# Name CAS-RN Formula
174 Water 7732-18-5 H2O Overview Details
13453 Tetrasodium pyrophosphate 7722-88-5 Na4O7P2 Overview Details
18149 Disodium dihydrogen pyrophosphate 7758-16-9 H2Na2O7P2 Overview Details
1001399 Disodium dihydrogen pyrophosphate 7758-16-9 H2Na2O7P2 Overview Details
1001402 Trisodium hydrogen pyrophosphate monohydrate Na3HP2O7*H2O Overview Details
Search for mixtures containing this mixture as subsystem

Mixture Data

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Vapor-Liquid Equilibria of Electrolyte Systems (ELE)
DDB# Name 13453 18149 1001399 1001402 Trisodium hydrogen pyrophosphate monohydrate
174 Water 2 n.a. n.a. n.a.
13453 Tetrasodium pyrophosphate n.a. n.a. n.a.
18149 Disodium dihydrogen pyrophosphate n.a. n.a.
18149 Disodium dihydrogen pyrophosphate n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 13453 18149 1001399 1001402 Trisodium hydrogen pyrophosphate monohydrate
174 Water 4 n.a. n.a. n.a.
13453 Tetrasodium pyrophosphate n.a. n.a. n.a.
18149 Disodium dihydrogen pyrophosphate n.a. n.a.
18149 Disodium dihydrogen pyrophosphate n.a.

Salt Solubilities (ESLE)
DDB# Name 13453 18149 1001399 1001402 Trisodium hydrogen pyrophosphate monohydrate
174 Water 1 n.a. n.a. n.a.
13453 Tetrasodium pyrophosphate n.a. n.a. n.a.
18149 Disodium dihydrogen pyrophosphate n.a. n.a.
18149 Disodium dihydrogen pyrophosphate n.a.

Further Thermodynamic Properties (X)
DDB# Name 13453 18149 1001399 1001402 Trisodium hydrogen pyrophosphate monohydrate
174 Water 1 n.a. n.a. n.a.
13453 Tetrasodium pyrophosphate n.a. n.a. n.a.
18149 Disodium dihydrogen pyrophosphate n.a. n.a.
18149 Disodium dihydrogen pyrophosphate n.a.

Total
DDB# Name 13453 18149 1001399 1001402 Trisodium hydrogen pyrophosphate monohydrate
174 Water 8 n.a. n.a. n.a.
13453 Tetrasodium pyrophosphate n.a. n.a. n.a.
18149 Disodium dihydrogen pyrophosphate n.a. n.a.
18149 Disodium dihydrogen pyrophosphate n.a.

Dortmund Data Bank Version: February 2024
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