ms-222 cas 886-86-2 Tricaine methanesulfonate

A benzocaine isomer derivative

The anesthetic of choice for amphibians is tricaine methanesulfonate (MS - 222, tricaine, FINQUEL, Argent Chemical Laboratories, Redmond, WA) (Wright 2001f ). It is a white crystalline powder that may be mixed with water to anesthetize fi sh and amphibians. Amphibians are immersed in a bath of tricaine methanesulfonate until anesthesia is achieved and then maintained in fresh water for the particular procedure to be performed. For longer procedures, the patient may be immersed in a 50% dilution of the original induction solution or intubated and maintained on isofl urane

Ethyl 3-Aminobenzoate Methanesulfonate is used as anesthetic for broodfish such as rainbow trout and red pacu. Ethyl 3-Aminobenzoate Methanesulfonate also acts as the sodium channel blocker which reverses the degenerative effects of fipronil insecticide