Decyl alcohol, or 1-decanol, is a straight-chain ten-carbon primary alcohol. Its structure places one polar hydroxyl group at the end of a long hydrophobic hydrocarbon chain, giving it the amphiphilic character that underlies many of its uses. It occurs naturally in some plant-derived materials but is also manufactured industrially as part of the fatty-alcohol family. 1-Decanol is used as a chemical intermediate and in formulations for surfactants, lubricants, plasticizers, flavors, fragrances, and personal-care materials. The terminal hydroxyl group can be esterified, etherified, oxidized, or converted into other derivatives, while the C10 chain contributes hydrophobicity. It is therefore less a single-purpose chemical than a versatile starting point for molecules that need a medium-length alkyl group plus a reactive oxygen-containing end.
Exact chemical identity matters because free forms, salts, stereoisomers, hydrates, metabolites, intermediates, and finished products can carry different registry numbers even when their names are closely related. These distinctions affect molecular weight, physical properties, analytical standards, formulation, and interpretation of literature. A reliable chemical database therefore follows the exact substance instead of automatically transferring every property of a related form.
Functional groups are also a map of intended reactivity. Carbonyls, alcohols, amines, halides, alkenes, and heterocycles provide different opportunities for bond formation, while hydrocarbon frameworks influence shape and solubility. In multistep synthesis, the usefulness of an intermediate often comes from being able to transform one position selectively while leaving another group available for a later operation.
Modern chemical development depends as much on characterization as on synthesis. Identity, purity, stereochemistry, water or salt content, and process-related impurities may all need control. Well-characterized intermediates and reference materials therefore matter even when they never become a final commercial product: they make complex manufacturing and research reproducible.
A responsible Chemical Story distinguishes documented use from structural possibility. A familiar molecular scaffold can suggest a hypothesis, but resemblance alone does not establish a biological target, approved indication, or commercial application. When exact-CAS literature is limited, verified chemistry and clearly documented uses are more informative than speculation.
Seen broadly, practical performance emerges from the whole molecular system. Structure, stereochemistry, physical form, synthetic route, reaction environment, and, for biological molecules, metabolism can all determine what a substance actually does. Connecting these details to a documented historical, industrial, or biological role turns a registry entry into a meaningful chemical story.
Exact chemical identity matters because free forms, salts, stereoisomers, hydrates, metabolites, intermediates, and finished products can carry different registry numbers even when their names are closely related. These distinctions affect molecular weight, physical properties, analytical standards, formulation, and interpretation of literature. A reliable chemical database therefore follows the exact substance instead of automatically transferring every property of a related form.
Functional groups are also a map of intended reactivity. Carbonyls, alcohols, amines, halides, alkenes, and heterocycles provide different opportunities for bond formation, while hydrocarbon frameworks influence shape and solubility. In multistep synthesis, the usefulness of an intermediate often comes from being able to transform one position selectively while leaving another group available for a later operation.
Modern chemical development depends as much on characterization as on synthesis. Identity, purity, stereochemistry, water or salt content, and process-related impurities may all need control. Well-characterized intermediates and reference materials therefore matter even when they never become a final commercial product: they make complex manufacturing and research reproducible.
References:
1. PubChem. 1-Decanol, CID 8174.
2. OECD/SIDS assessment information for 1-decanol and related long-chain alcohols.
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