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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 202-544-6 | CAS number: 96-91-3
Endpoint summary
Administrative data
Description of key information
Additional information
Appearance/physical state/colour:
Picramic acid is found to be an organic solid present in the form of dark red crystals or needles from ethanol or prisms from chloroform.
Melting point:
The melting point of picramic acid is found to be 169°C.
Vapour pressure:
Vapour pressure of picramic acid is found to be 0.000055 Pa at 25°C.
Partition coefficient:
The octanol-water partition coefficient (log Pow) of picramic acid is found to be 0.93 indicating that the substance is hydrophillic in nature.
Water solubility:
Water solubility of picramic acid is found to be 1400 mg/L at 22°C. This value indicates that the substance is soluble in water.
Solubility in organic solvents / fat solubility:
Picramic acid is found to be soluble in alcohol, benzene, glacial acetic acid, aniline, and ether.
Flash point:
Flash point of picramic acid is found to be 210°C.
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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