This is a product of the United States Pharmacopeia. Solubility testing is not performed on this material. Please see the link below to review the Supplier product information:
https://store.usp.org/product/1297770
Please see the link below to review the water solubility information provided by the European Chemical Agency (ECHA):
https://echa.europa.eu/registration-dossier/-/registered-dossier/23171/4/9
Other sources have reported that this material is also soluble in Dimethylformamide and Methanol. This information has not been validated.