Registration Dossier

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Remarkable physical-chemical properties of 3-hydroxy-2-(hydroxymethyl)-2-methylpropionaldehyde:

- The melting range is 2 -90 °C.

- The boiling temperature is >145 °C at 98.9 kPa.

- The density is 1.29 g/cm3 at 20 °C.

- The water solubility is > 1003 g/L at 20.0 °C.

- The median particle was not determined because the test substance is a high viscous liquid.

- The vapour pressure is 1125 Pa at 20 °C and 1494 Pa at 25 °C.

- The partition coefficient log Pow between n-octanol and water is 1.7 (pH7).

- The surface tension of the test substance is 60.84 mN/m at 20 °C.

- The dissociation constant could not be determined.

- The viscosity is > 300 000 cSt at 20 °C and 40 °C. - 3 -hydroxy-2 -(hydroxymethyl)-2 -methylpropionaldehyde has no dangerous physical-chemical properties.