Registration Dossier

Diss Factsheets

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Ethyl (S)-lactate acid is a clear colourless liquid and has neither explosive nor oxidizing properties, but is classified as Flam Liq. 3 (H226) based on a flash point of 53.4 °C.

Further properties and characteristics are summarized in the following table:

Melting point

-9 °C

Boiling point

154 °C


1.034 g/cm³

Vapour pressure

510 Pa at 20 °C

Partition coefficient Log Kow

0.31 at 20 °C

Water solubility

fully miscible

Surface tension

70.5 mN/m

Self-ignition temperature

430 °C

Dissociation constant pKa

11.6 at 25 °C


3.6 mm²/s


Additional information