- is commonly referred to as al-pyrrolidinyl-hexanone, , and al-. The IUPAC name for a- is (±)-1-nyl-2-(1-pyrrolidinyl)-1-hexanone. We can look at the research conducted on this research chemical. The research was conducted by ACD/Labsâ, US Environmental Protection Agencyâs EPISuite, and ChemAxon. Properties that were predicted by ACD/Labs showed 2 #H bond acceptors, 5 #Freely rotating bonds, index of refraction at 1.535 with a surface tension of 39.3±3.0 dyne/cm, a flash point of 127.3±12.5 °C and a boiling point of 362.4±25.0 °C at 760 mmHg. Properties that were predicted by the US Environmental Protection Agencyâs EPISuite showed the boiling point at 339.06, melting point at 108.90, and the vapor pressure estimations at 3.59E-005. Â