CAS · 99-06-9
Product Overview
3-Hydroxybenzoic acid is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance | White crystalline powder |
|---|---|
| Purity (HPLC) | 99% min |
| Phenol | 0.02% max |
| Benzoic acid | 0.1% max |
| Moisture | 0.3% max |
| Loss on Drying | 0.5% max |
| Ash | 0.5% max |
| Melting Point | 202.5 – 205.0 °C |
Applications
3-Hydroxybenzoic acid (CAS 99-06-9), also known as m-hydroxybenzoic acid, is an aromatic carboxylic acid widely applied in pharmaceuticals, cosmetics, agrochemicals, and materials research. In the pharmaceutical field, it is used as a key intermediate in synthesizing drugs such as antiseptics, anti-inflammatory agents, and cardiovascular treatments. In cosmetics, it serves as a preservative component and is incorporated into formulations for skincare due to its mild antimicrobial and antioxidant properties. In agrochemistry, 3-hydroxybenzoic acid derivatives are used in the development of plant growth regulators and crop protection agents. Beyond these, it is also applied in polymer chemistry and dye synthesis, where its hydroxyl and carboxyl functional groups enable versatile reactivity.
Benefits
The benefits of 3-hydroxybenzoic acid are derived from its dual functional groups, which make it a versatile building block for further chemical modification. Its hydroxyl group contributes antioxidant properties, which are advantageous in pharmaceutical and cosmetic formulations aimed at reducing oxidative stress and prolonging shelf life. The carboxyl group provides opportunities for conjugation and polymerization, enabling its use in advanced materials and coatings. Its relatively low toxicity and good solubility in polar solvents enhance its handling and formulation potential across industries. Additionally, its natural occurrence in certain plants aligns with trends favoring compounds with bio-based origins for safer, more sustainable applications.
Conclusion
In summary, 3-hydroxybenzoic acid is a valuable intermediate and functional compound with broad applications in pharmaceuticals, cosmetics, agrochemicals, and material sciences. Its combination of hydroxyl and carboxyl groups provides chemical versatility, antioxidant potential, and formulation stability. With its balance of reactivity and safety, it continues to be an important tool in developing therapeutic agents, protective formulations, and innovative materials.
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