3-Chloropropanoic acid or UMB66 is a drug used in scientific research. It is structurally related to GHB

Gamma-Hydroxybutyric acid

γ-Hydroxybutyric acid , also known as 4-hydroxybutanoic acid and sodium oxybate when used for medicinal purposes, is a naturally occurring substance found in the central nervous system, wine, beef, small citrus fruits, and almost all animals in small amounts. It is also categorized as an illegal...

 and binds to the GHB receptor

GHB receptor

Gamma-hydroxybutyrate receptor or GHB receptor , originally identified as GPR172A, is a G protein-coupled receptor that binds gamma-Hydroxybutyric acid .-History:...

, but has no affinity for GABA

Gabâ

Gabâ or gabaa, for the people in many parts of the Philippines), is the concept of a non-human and non-divine, imminent retribution. A sort of negative karma, it is generally seen as an evil effect on a person because of their wrongdoings or transgressions...

 receptors. It is also an active ingredient in some herbicide

Herbicide

Herbicides, also commonly known as weedkillers, are pesticides used to kill unwanted plants. Selective herbicides kill specific targets while leaving the desired crop relatively unharmed. Some of these act by interfering with the growth of the weed and are often synthetic "imitations" of plant...

 blends. Overdose may cause unconsciousness and/or convulsion

Convulsion

A convulsion is a medical condition where body muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body. Because a convulsion is often a symptom of an epileptic seizure, the term convulsion is sometimes used as a synonym for seizure...

s.

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