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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The following list represents the Physical and chemical properties of the substance magnesium hydroxide sulphate trihydrate:

 

- Physical state: Solid, white

- Melting point: >633 ± 0.5 K (Differential scanning calorimetry)

- Boiling point: Not required as melting point >633 ± 0.5 K

- Relative density: 2.36 at 20.6 ± 0.5 °C

- Particle size: 5.19 % of test material <100 µm

- Vapour pressure: <7.1 x 10-5at 25 °C

- Partition Coefficient: Not required

- Water solubility: 4.64 x 10-2g/L at 20.0 ± 0.5 °C

- Surface tension: 70.3 mN/m at 22.5 ± 0.5 °C

- Flash point: Not required

- Auto flammability: Predicted negative

- Flammability: Not highly flammable

- Explosivity: Predicted negative

- Oxidising potential: Predicted negative

- Stability in organic solvents and identity of relevant degradation products: Not required

- Dissociation constant: Not required

- Viscosity: Not required

 

Based upon the physico-chemical properties the substance is not classified according to Regulation (EC) No. 1272/2008.