Registration Dossier

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

The substance is observed as solid white crystals.

Melting point: 118°C.

The substance decomposes before boiling (260°C).

Relative density at 20ºC: 1.217 ± 0.010.

The particle size distribution (Granulometry) study does not need to be performed as the substance is produced, marketed and used in a non-solid or granular form.

Vapour pressure at 25.3°C, 32.4 °C and 44.5°C was below 0.1 mBar (10 Pa).

The partition coefficient logPow at 22 ± 1ºC: 0.6 ± 0.40 (This does not fall within a range of ± 0.3 as prescribed by the guideline).

Water solubility at 20ºC > 1000 g/l for all three buffer solutions. (pH 4.0, 7.0 & 9.0).

The surface tension at 20ºC is 71.2 ± 2.5 mNm.

The substance is a solid and therefore no flash point has been determined.

The substance has a melting point below160°C and therefor auto flammability has not been determined.

Not highly flammable.

The substance is not explosive.

The substance is not oxidising.

Additional information

Dehydrated sample of IPP1 -Na (produced by adding aqueous NaOH to IPP1).

Although the substance is defined as a solid, it is always produced as an aqueous solution.Therefore Chapter 9 and 10 in the CSA/CSR are based on the aqueous solution rather than the solid.