Guaiacol CAS 90-05-1 Bulk Supplier | High-Purity Aromatic Phenol

Guaiacol (CAS 90-05-1), also known as 2-methoxyphenol, is a versatile aromatic phenolic compound widely used as a building block in fine chemicals, flavor & fragrance synthesis, and laboratory research. Supplied as a white to off-white crystalline powder or colorless/yellowish hygroscopic liquid with 97–102% assay (HPLC), it is a premium-grade raw material offering flexibility and reliable performance for multiple industrial and R&D applications.

Product Description

Guaiacol is a high-purity methoxyphenol with molecular formula C₇H₈O₂ (MW 124.14 g/mol). The material is offered in crystalline or liquid form, depending on batch and handling conditions, and meets a rigorous assay specification of 97–102% (HPLC). Its aromatic phenol structure and methoxy substitution make it suitable as a reactive intermediate, flavor/aroma building block, or laboratory reagent. Its hygroscopic nature and clean chemical profile add utility in controlled synthesis and analytical environments.

Technical Properties

• CAS Number: 90-05-1
• Molecular Formula: C₇H₈O₂
• Molecular Weight: 124.14 g/mol
• Appearance: White to off-white crystalline powder or colorless/yellowish hygroscopic liquid
• Assay (HPLC): 97–102%
• Synonym: 2-Methoxyphenol (o-Methoxyphenol)

Applications & Industries

Guaiacol bulk material is valuable across a broad range of sectors, including:

• Fine Chemical & Intermediate Synthesis: Utilized as a starting material for vanillin, fragrances, dyes, antioxidants, and specialty aromatic compounds.
• Flavor & Fragrance Industry: Acts as a core building block in smoky, spicy, or woody aromatic formulations; useful for flavoring agents, perfumes, and aroma compounds.
• Pharmaceutical & Research Chemistry: Employed in medicinal chemistry, synthesis of APIs, analytical studies, and as a reference phenolic compound.
• Polymer & Material Science: Used in resin stabilization, adhesive/coating formulations, and polymer precursor synthesis where phenolic building blocks are required.
• Laboratory & Analytical Use: Suitable for reaction testing, method development, and fundamental research involving phenolic or methoxyphenol compounds.

Key Advantages

High-purity aromatic phenol: Assay 97–102% (HPLC) ensures minimal impurity load for clean chemical reactions and stable end-products.

Versatile physical form: Supplied as crystalline powder or hygroscopic liquid, accommodating different processing or formulation needs.

Wide applicability: Functional structure and reactivity make Guaiacol suitable for fragrance, fine chemical synthesis, polymer chemistry, and research.

Reliable batch-to-batch quality: Well-characterized purity and identity support reproducibility, even in demanding industrial or lab-scale workflows.

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