Chemical structure of ethyl<unk> , the precursor to many commercial adhesives.<unk> s are a family of strong fast-acting adhesives with industrial, medical, and household uses. They are derived from ethyl<unk>  and related esters. The<unk>  group in the monomer rapidly polymerizes in the presence of water to form long, strong chains. They have some minor toxicity. Specific<unk> s include methyl 2-cyanoacrylate (MCA), ethyl 2-cyanoacrylate (ECA, commonly sold under trade names such as "Super Glue" and "Krazy Glue", or Toagosei), n-butyl<unk>  (n-BCA), octyl<unk> , and 2-octyl<unk>  (used in medical, veterinary and first aid applications). Octyl<unk>  was developed to address toxicity concerns and to reduce skin irritation and allergic response.<unk>  adhesives are sometimes known generically as instant glues, power glues or superglues. The abbreviation "CA" is commonly used for industrial grade<unk> .
Cyanoacrylate
Tienilic acid
Phenylsilatrane
Metirosine
Tetramethyl bisphenol F
Podophyllum resin
Spirolactone
Perfluorooctanoic acid