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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

Description of key information

According to handbook data, strontium hydroxide (anhydrous) appears as colourless orthorhobic crystals  at approx. 25°C.  Strontium hydroxide (anhydrous) is hygroscopic. 
According to handbook data strontium hydroxide octahydrate appears as a colourless, deliquesce crystals or white powder. According to the expert judgement of the contract laboratory strontium hydroxide octahyte is a solid, white powder.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:

Additional information

Handbook data considered to be from a trusted source acc. to "ECHA, Guidance on information requirements and chemical safety assessment – Chapter R.7a: Endpoint specific guidance" and therefore, the description of strontium hydroxide could be regarded as valid.

The expert judgment from Smeykal (2010) is considered reliable without restrictions.