The supplier for this product is Fortuna Graf, as mentioned on the website. According to the manufacturer, this product is suitable for acids, alkalis, and aqueous solutions.
The manufacture also offers dispensers specifically for use with solvents, such as Hexane and ACN. See the link below to review the solvent-compatible product options:
https://www.sigmaaldrich.com/substance/fortunaoptifixsolventbottletopdispenser1234598765
It may be helpful to view this link which lists chemical compatibility of common laboratory materials: https://www.calpaclab.com/chemical-compatibility-charts/