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Description
TCI E0122 2-Ethyl-1-hexanol is a branched primary alcohol built on an eight-carbon chain, and it ranks among the best-known industrial and laboratory alcohols in routine use. Its primary hydroxyl group sits at the end of the chain, while the ethyl branch on the second carbon atom gives the molecule an asymmetric shape. In the laboratory, the compound serves as a slow-evaporating solvent, a wetting agent and defoamer, and a building block for branched esters such as plasticizers, synthetic lubricants, and other formulation auxiliaries.
The characteristic that makes this material a preferred choice is the balance between its polar hydroxyl group and a hydrocarbon chain that is both branched and reasonably long. That combination leaves it only slightly soluble in water while mixing well with organic solvents, and at the same time gives it mild surface activity that is useful for suppressing foam formation. Its comparatively high boiling point means evaporation is slow, which suits formulations that require a long flow-out or open time. As a primary alcohol it is readily esterified, oxidized to an aldehyde or acid, and converted into a leaving group in multi-step synthesis.
In Indonesian laboratories, this material is widely used as a versatile intermediate and process solvent across research, teaching, and applied formulation work. Analytical and organic synthesis groups draw on it when a branched C8 alcohol is needed for ester preparation, while formulation and coating laboratories rely on its slow evaporation and antifoam behaviour. Its familiarity and broad utility make it a practical stock item for laboratories that support both academic study and industrial development projects.
Laboratory Applications
- Ester synthesis and esterification studies — the reactive terminal primary hydroxyl group is readily esterified, making it a direct route to branched esters used as plasticizers and synthetic lubricant bases.
- Slow-evaporating solvent for coating and formulation trials — its relatively high boiling point extends open time, allowing films and mixtures a longer flow-out period before the solvent leaves the system.
- Defoaming and foam-suppression work — the mild surface activity created by its polar hydroxyl group and branched hydrocarbon chain helps break and prevent foam in aqueous formulation systems.
- Wetting agent in surface and interface experiments — the asymmetric branched structure combined with limited water solubility supports controlled spreading and surface wetting behaviour in laboratory test formulations.
- Multi-step organic synthesis building block — as a primary alcohol it can be oxidized to the corresponding aldehyde or acid, or converted into a leaving group for further functional group transformations.
Specifications
- Brand: TCI
- CAS number: 104-76-7
- Catalogue number: E0122
- Category: Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
- Pack sizes: available in standard TCI laboratory pack sizes; please confirm the currently offered options when ordering
- Storage: keep in a tightly closed original container, in a cool, dry, well-ventilated area away from ignition sources
Handling and Storage
Store 2-Ethyl-1-hexanol in its tightly closed original container in a cool, dry, well-ventilated area, away from heat, open flame, and other ignition sources, and separated from strong oxidizing agents. Glass or otherwise chemically compatible closed containers are suitable, and containers should be resealed promptly after each withdrawal to limit moisture pickup and vapour release. Handle in a fume hood or a well-ventilated workspace, and wear safety glasses, chemically resistant gloves, and a laboratory coat. Avoid contact with skin and eyes and avoid breathing vapour or mist. Use non-sparking tools and grounded equipment when transferring larger volumes, keep the working area clean, have absorbent material ready for spills, and dispose of residues and contaminated materials in line with your institution's chemical waste procedures. Always consult the manufacturer's safety data sheet before first use.
