Aicaigou LogoB2B WikiIndustrial Encyclopedia

2-Hydroxy-3-methylbenzoic acid

Updated: 2026-07-22

Overview

2-Hydroxy-3-methylbenzoic acid, also known as 3-methylsalicylic acid, is a derivative of salicylic acid with a methyl group at the 3-position. It is widely used as an intermediate in organic synthesis, particularly in pharmaceutical and dye manufacturing. This compound exhibits both carboxylic acid and phenolic properties, making it versatile for chemical modifications. Its production typically involves carboxylation or oxidation processes of cresol derivatives.

Physical and Chemical Properties

3-醛基-2-羟基-5-甲基苯甲酸 67127-83-7天然活性单体成都瑞芬思德丹生物科技有限公司

As a crystalline solid, 2-hydroxy-3-methylbenzoic acid has moderate solubility in organic solvents like ethanol and ether but limited solubility in water. The presence of both hydroxyl and carboxyl groups allows for hydrogen bonding, influencing its melting point and reactivity. The compound demonstrates typical aromatic and acidic behavior, capable of forming salts with bases and participating in esterification reactions. Its UV absorption characteristics make it useful in spectroscopic analysis applications.

商家经验真实案例 · 安全可信
花盆白碱处理方法
本文详细介绍花盆表面出现白色碱渍的成因,提供三种实用解决方案:物理清洁法、酸碱中和调节及预防措施,帮助植物爱好者轻松应对常见养护问题。

Main Applications

In pharmaceuticals, this compound serves as a building block for synthesizing more complex molecules, including potential drug candidates with anti-inflammatory properties. Its structural similarity to salicylic acid makes it valuable in medicinal chemistry research. The chemical industry utilizes it as an intermediate in dye production, where its aromatic structure contributes to chromophore development. Additionally, it finds use in specialty chemical synthesis and as a standard in analytical chemistry.

Safety and Storage

南试牌 2-甲基-3-羟基苯甲酸 HPLC化学试剂 含量98% CAS 603-80-5南京化学试剂股份有限公司

While not classified as extremely hazardous, 2-hydroxy-3-methylbenzoic acid requires careful handling. Appropriate personal protective equipment (PPE) including gloves and safety goggles should be worn when working with this substance. Storage should be in tightly sealed containers under dry conditions, preferably with desiccants. The compound is stable under recommended storage conditions but may decompose if exposed to excessive heat or incompatible chemicals.

商家经验真实案例 · 安全可信
白碱VS小苏打:厨房里的化学课
本文对比白碱与小苏打的化学成分、用途差异,揭秘它们在清洁、烘焙中的不同表现,教你科学区分厨房里的化学好帮手。

B2B Procurement Guide

When sourcing 2-hydroxy-3-methylbenzoic acid industrially, buyers should specify required purity levels (typically 97-99% for most applications) and request certificates of analysis. Bulk quantities often offer better pricing, but consider storage limitations. Reliable suppliers should provide material safety data sheets (MSDS) and demonstrate compliance with relevant chemical regulations. For pharmaceutical applications, additional documentation regarding GMP compliance may be necessary.

Related Manufacturers