Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Sodium diacetae is a solid substance which decomposes in temperature above 150ºC. At 20°C the mean relative density of the substance was determined to be: D= 1.405 ± 0.001.

The particle size distribution gives the average and standard deviation of 3 determinations: X10: ≤92.3 ±5.94 µm; X50: ≤248.8 ±7.93 µm and X90: ≤401.2 ±8.93 µm.

The calculated vapour pressure of Sodium diacetate is 7.16E-07 Pa at 25 ºC.

The estimated octanol-water partition coefficient of Sodium diacetate is: log kow = -3.72.

The water solubility of Sodium diacetate is 1000 g/L.

Sodium diacetate is classified to be not inflammable and non explosive.

The pKa of Sodium diacetate is 4.756 at 25 ºC.