Protocatechuic Aldehyde CAS 139-85-5 Bulk Supplier | High-Assay Phenolic Aldehyde

Protocatechuic Aldehyde (CAS 139-85-5) is a phenolic aldehyde occurring in various plant-derived matrices and used as a versatile intermediate in nutraceutical, cosmetic, pharmaceutical, and fine chemical applications. Offered as a light yellow fine powder with an assay of ≥98.0% (HPLC), it is well suited for projects where reliable quality, defined impurity profile, and reproducible performance are essential.

Product Description

Protocatechuic Aldehyde is a high-assay aromatic compound characterized by its catechol-type structure and reactive aldehyde functionality. Each batch is tested for assay, moisture, melting range, solubility, and related substances, ensuring consistent behavior in demanding formulation and synthesis environments. Its fine powder form and defined analytical profile make it suitable for both R&D and scaled chemical processes.

Technical Properties

• CAS Number: 139-85-5
• Molecular Formula: C₇H₆O₃
• Molecular Weight: 138.12 g/mol
• Appearance: Fine powder
• Color: Light yellow
• Assay: ≥ 98.0% (HPLC)
• Loss on Drying: ≤ 1.0%
• Melting Point: 152.0–157.0 °C
• Solubility: Methanol
• Related Substances (individual impurity): ≤ 0.5% (HPLC)
• Related Substances (total impurity): ≤ 2.0% (HPLC)

Applications & Industries

Protocatechuic Aldehyde bulk material functions as a versatile aromatic building block and auxiliary compound across sectors requiring phenolic and aldehyde reactivity.

• Nutraceuticals & Functional Ingredients: Used as an intermediate in the synthesis of phenolic derivatives and antioxidant-focused actives. Suitable for natural-compound-inspired formulation concepts.
• Food & Beverage Research: Applied in development work and analytical modeling where controlled aromatic aldehydes are needed to evaluate stabilizing systems and oxidative processes.
• Cosmetics & Personal Care: Utilized in R&D for active complexes and stability-supporting ingredients in serums, creams, and treatment formulas.
• Pharmaceuticals & Fine Chemicals: Important as a reference compound and synthetic intermediate in medicinal chemistry, impurity standard preparation, and advanced molecule design.
• Analytical & Academic Research: Employed as a model phenolic aldehyde in oxidative pathway studies and structure–activity evaluations involving catechol-type molecules.

Key Advantages

Reliable high-assay material: With ≥98.0% assay (HPLC) and controlled impurity levels, Protocatechuic Aldehyde supports reproducible outcomes in both lab-scale and industrial processes.

Defined performance characteristics: The specification includes assay, moisture, melting point, solubility, and impurity limits, providing a predictable analytical and processing profile.

Process-friendly powder form: Fine particle characteristics and consistent melting behavior facilitate handling, dissolution, and reaction setup across chemical and formulation workflows.

Bulk supply with technical documentation: Delivered with COA, MSDS, and analytical details to support regulated applications in nutraceutical, cosmetic, and chemical industries.

Contact us for Protocatechuic Aldehyde CAS 139-85-5 bulk pricing, samples, or technical consultation.