Salicylaldehyde be prepared from the corresponding phenol by the Duff reaction, or by treatment with paraformaldehyde in the presence of magnesium chloride and a base. Salicylaldehyde was identified as a characteristic aroma component of buckwheat. It is also one of the components of castoreum, the exudate from the castor sacs of the mature North American beaver ("Castor canadensis") and the European beaver ("Castor fiber"), used in perfumery. Furthermore, salicylaldehyde occurs in the larval defensive secretions of several leaf beetle species that belong the subtribe Chrysomelina. An example for a leaf beetle species that produces salicylaldehyde is the red poplar leaf beetle
Substance intoxication code) include: The term contact high is sometimes used to describe intoxication without direct administration, either by second-hand smoke (as with cannabis), or by placebo in the presence of others who are intoxicated. Substance intoxication Substance intoxication is a type of substance use disorder which is potentially maladaptive and impairing, but reversible, and associated with recent use of a substance. If the symptoms are severe, the term "substance intoxication delirium" may be used. Slang terms include: getting high (generic) or being stoned or blazed (usually in reference to cannabis), with many more specific slang terms for each particular type of