Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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EC number: 208-534-8 | CAS number: 532-32-1
Endpoint summary
Administrative data
Description of key information
Additional information
Appearance/physical state/colour |
White, odorless granules or crystalline powder; sweetish, astringent taste. |
Melting point |
436℃ |
Boiling point |
Decomposed between 450-475℃without boiling point. |
Relative density |
1.5 |
Particle size distribution |
There are virtually no particles with size of lower than 100 micrometers (1.3% <125 micrometers). |
Vapour pressure |
Study waived due to high melting point. |
Partition coefficient |
Log Pow = 1.88 (based on benzoic acid) |
Water solubility |
556 g/L |
Solubility in organic solvents |
13.3 g/L (ALC) |
Surface tension |
72.9 mN/m (1 g/L, 20℃) |
Flash point |
Endpoint waived as the substance is a solid. |
Auto flammability |
Endpoint waived due to high melting point. |
Flammability |
Flammability on contact with water: negative Pyrophoricity: negative |
Explosiveness |
Non explosive |
Oxidising properties |
No oxidising properties |
Stability in organic solvents |
Endpoint waived as stability in organic solvents is not considered critical. |
pH |
8 |
Dissociation constant |
4.03 (pKa) of benzoic acid |
Viscosity |
Endpoint waived as the substance is a solid. |
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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