Organic Alcohols & Hydroxyl Fine Chemicals

Welcome to OUHE Technology’s catalog of organic alcohols and hydroxyl fine chemicals. We supply high-purity aliphatic alcohols, polyols, and substituted benzyl alcohols essential for esterification, drug design, and advanced polymer synthesis. Use our advanced search bar to filter by CAS number or product name to secure your target intermediates.

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High Hydrogen Bonding Polarities and Moisture-Sensitive Anhydrous Management

The hydroxyl group (-OH) forms strong intermolecular hydrogen bonds, raising boiling points and making small-molecule alcohols highly hygroscopic. These anhydrous reagents easily absorb atmospheric moisture, which can hydrolyze reactive reagents in subsequent synthetic steps. At OUHE Technology, we prevent moisture contamination and dilution by packaging our anhydrous alcohols under high-purity dry nitrogen in hermetically sealed containers.

Versatile Reaction Handles: From Selective Oxidation to Hydroxyl Activation

  • Aliphatic & Substituted Benzyl Alcohols: Prime precursors optimized for Williamson ether syntheses and selective oxidation to aldehydes, ketones, or carboxylic acids.

  • Diols & Polyols: Di-functionalized hydroxyl blocks widely used as polymer monomers and reversible cyclic acetal or ketal protecting groups.

  • Activated Hydroxyl Synthons: Intermediates optimized for tosylation (OTs) and mesylation (OMs) conversions to turn poor hydroxyl leaving groups into highly active electrophiles.

Strict Karl Fischer Water Control and Chromatographic Purity Verification

Because water content is the most common impurity in high-purity alcohols, strict moisture management is critical. We utilize Karl Fischer titration to monitor water content to extremely low limits (typically <0.05% for anhydrous grades). Every batch is verified using high-resolution GC-FID or HPLC and NMR spectroscopy to ensure absolute chemical purity and prevent trace acid/alkali contamination.

Frequently Asked Questions

A: Hydroxyl groups are highly hygroscopic. We package our anhydrous alcohols under a dry nitrogen blanket in specialized moisture-barrier bottles or steel drums, and perform strict moisture testing before shipping.

A: We measure trace water levels down to parts-per-million (ppm) using Karl Fischer titration. Organic purity is verified using high-resolution capillary GC-FID or HPLC, supported by NMR and MS spectra.

A: Yes. Our high-purity 1,2-diols and 1,3-diols (typically ≥98%) are dry and ready for acid-catalyzed condensations to form stable cyclic acetals or ketals, protecting carbonyl groups in multi-step organic synthesis.