Description

4-Hydroxymethylbenzoic Acid is a versatile aromatic compound that serves as a key building block in organic synthesis. Its bifunctional structure, featuring both a carboxylic acid and a benzylic hydroxyl group, makes it a valuable intermediate for creating more complex molecules. This chemical is particularly relevant for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable, high-purity raw materials for their production processes.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds with benzyl alcohol or benzoic acid motifs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Acts as a monomer or chain modifier in the production of specialty polyesters, liquid crystal polymers (LCPs), and other high-performance resins.
• Organic Synthesis Building Block: Employed in peptide coupling reactions, esterifications, and as a starting material for various fine chemicals and research compounds.
• Crosslinking Agent: Utilized in the formulation of coatings, adhesives, and sealants to enhance durability and chemical resistance.
• UV Absorber / Stabilizer Precursor: A key raw material in the manufacture of benzophenone and benzotriazole derivatives used as light stabilizers in plastics and coatings.

Basic Information

Product Name	4-Hydroxymethylbenzoic Acid
CAS No.	96937-45-0
Molecular Formula	C8H8O3
Molecular Weight	152.15 g/mol
Synonyms	4-(Hydroxymethyl)benzoic Acid; p-(Hydroxymethyl)benzoic Acid; (4-Carboxyphenyl)methanol; Benzoic acid, 4-(hydroxymethyl)-; 4-Carboxybenzyl Alcohol; p-Carboxybenzyl Alcohol; HBA; HMBA
EINECS	Contact for details

Quality Control

Our 4-Hydroxymethylbenzoic Acid is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing purity, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, and we support our clients' needs for regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong bases, and strong acids. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	185 - 190 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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