3-Chloropropanoic acid (also 3-chloropropionic acid) or UMB66 is a drug used in scientific research. It is structurally related to GHB and binds to the GHB receptor, but has no affinity for GABA receptors.[1] It is also an active ingredient in some herbicide blends.[2] Overdose may cause unconsciousness and/or convulsions.[3]

Density 1,27g/cm3

appearance white to off white crystalline powder

melting point 38-41 °C

boiling point 203-205 °C

flash point 125 °C