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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 208-288-1 | CAS number: 520-26-3
Endpoint summary
Administrative data
Description of key information
Additional information
Summary of physical and chemical properties of hesperidin
| Appearance | solid, brownish fine powder, crystallises in fine colourless needles |
| Melting point | 251 °C (decomp.) |
| Boiling point | decomposes at 251 °C prior to melting |
| relative Density | 1.4227 at 20 °C |
| Particle size distribution | D10: 8.1 µm; D50: 18.0 µm (Median diameter MMAD); D90: 44.0 µm |
| Vapour pressure | negligible (<0.001 Pa) |
| Partition coefficient as logPOW | <0.3 at 25 °C |
| Water solubility | 4.93 mg/L at 25 °C |
| Surface activity | not expected based on chemical structure assessment |
| Flash point | not relevant as substance is solid |
| Auto flammability self-ignition temperature | >400 °C, not auto-flammable |
| Pyrophoricity | negative, stable at ambient conditions based on experience |
| Flammability in contact with water | negative, stable in aqueous solution based on experience |
| Explosivity | not explosive based on the assessment of its chemical structure |
| Oxidising properties | not oxidising based on assessment of chemical structure |
| Stability in organic solvent | stable |
| pH | 7.0 - 7.2 (10% aqueous solution/suspension) |
| Dissociation constant | pKa 1 and pKa 2 both 10.0 at 20 °C (two phenolic hydroxy groups) |
| Viscosity | not relevant for solids |
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
