What does orcinol mean?
Orcinol is the chemical name for 5-methylresorcinol, a crystalline organic compound related to resorcinol. Its structure contains a benzene ring with two hydroxyl groups and one methyl group, and it belongs to the class of substances known as phenols. The compound occurs naturally in some organisms and has also been produced synthetically for use in chemical research and industrial synthesis. In laboratory and forensic contexts, orcinol may serve as a reagent or diagnostic reagent, including in tests used to detect particular substances or reactions. Because it is specialized vocabulary, readers will usually encounter it in chemistry, biological research, or technical descriptions rather than in ordinary conversation. The name is easily confused with orcin, a closely related chemical designation, and with resorcinol, the unmethylated parent compound. Knowing the systematic name 5-methylresorcinol helps make those distinctions clear.
nounOrcinol is a naturally occurring phenolic compound, also called 5-methylresorcinol, consisting of a benzene ring bearing two hydroxyl groups and a methyl group. It is a crystalline substance used as a reagent and as a precursor in chemical synthesis.
- A crystalline phenolic compound, 5-methylresorcinol, used in chemical analysis and synthesis.
"The sample was treated with orcinol to reveal the presence of the target compound."
"The chemist compared the unknown compound with authentic orcinol."
"Orcinol was added to the solution as a diagnostic reagent."
Orcinol turns the obscure name 5-methylresorcinol into a memorable chemical clue: a benzene ring with two hydroxyl groups and one methyl group.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does orcinol come from?
Orcinol belongs to a family of chemical names formed from the established root orcin with the chemical suffix -ol, indicating an organic compound related to alcohols or phenols. The related form orcin is also used in the naming of this compound and its derivatives. Its name ultimately belongs to the vocabulary of organic chemistry rather than ordinary English word formation.
How orcinol is actually used
This is primarily a specialized chemical term. The systematic name 5-methylresorcinol is often preferable when precision is required.
Easily confused with orcinol
Orcin is the closely related chemical name for the same methyl-dihydroxybenzene compound; orcinol is the form especially used to identify the phenolic substance and its derivatives.
Orcinol is methylated resorcinol, whereas resorcinol itself has no methyl substituent.