Description

4-(Hydroxymethyl)Benzoic Acid is a versatile aromatic compound featuring both a carboxylic acid and a hydroxymethyl functional group, making it a valuable bifunctional building block in organic synthesis. This dual functionality is critical for creating complex molecular architectures, offering precise control over polymerization and derivatization reactions. It is primarily sought after by the pharmaceutical, agrochemical, and specialty polymer industries for applications ranging from drug intermediate synthesis to the production of high-performance resins and liquid crystal polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting inflammation and metabolic disorders.
• Polymer & Resin Production: Serves as a monomer or cross-linking agent in the manufacture of specialty polyesters, epoxy resins, and liquid crystalline polymers (LCPs).
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, where its aromatic core provides structural stability.
• Organic Synthesis Building Block: Employed in peptide coupling reactions and for introducing the benzoic acid moiety into more complex molecules via its reactive functional groups.
• Coating & Adhesive Formulations: Imparts improved adhesion and chemical resistance in high-performance industrial coatings and adhesives.
• Research & Development: A standard reagent in academic and industrial R&D labs for exploring new synthetic methodologies and material science.

Basic Information

Product Name	4-(Hydroxymethyl)Benzoic Acid
CAS No.	3006-96-0
Molecular Formula	C8H8O3
Molecular Weight	152.15 g/mol
Synonyms	4-(Hydroxymethyl)benzoic acid; p-(Hydroxymethyl)benzoic Acid; 4-Carboxybenzyl Alcohol; Benzoic acid, 4-(hydroxymethyl)-; para-Hydroxymethylbenzoic Acid; HMBA; 4-HMBA; (4-Carboxyphenyl)methanol
EINECS	221-112-2

Quality Control

Our 4-(Hydroxymethyl)Benzoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) with full traceability are provided for every shipment, and we can support compliance requirements for cGMP, ISO, and REACH as needed.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation and clumping.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Melting Point	185°C - 190°C
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.