Description

3-Amino-4-Hydroxybenzoic Acid is a versatile aromatic compound featuring both amino and carboxylic acid functional groups, making it a valuable intermediate in fine chemical synthesis. Its primary commercial value lies in its role as a key building block for the production of advanced dyes, pigments, and pharmaceutical active ingredients. This high-purity chemical is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality intermediates for complex synthesis pathways.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with complex aromatic structures.
• Dye and Pigment Manufacturing: Serves as a key building block for producing azo dyes, pigments, and other colorants, contributing to color fastness and specific hue properties.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection agents.
• Research & Development: Employed in organic synthesis and chemical research as a model compound or starting material for novel molecular entities.
• Polymer Chemistry: Can be utilized as a monomer or modifier in the synthesis of specialty polymers, such as polyamides or polyimides, to introduce specific functional groups.
• Chemical Intermediate: Acts as a versatile intermediate for further chemical transformations, including diazotization, acylation, and condensation reactions.

Basic Information

Product Name	3-Amino-4-Hydroxybenzoic Acid
CAS No.	1571-72-8
Molecular Formula	C7H7NO3
Molecular Weight	153.14 g/mol
Synonyms	4-Hydroxy-3-aminobenzoic Acid; 3-Amino-4-hydroxybenzoic acid; 3-Amino-4-hydroxybenzoic acid; Benzoic acid, 3-amino-4-hydroxy-; 3-Amino-4-hydroxy-benzoic acid; 4-Hydroxy-3-aminobenzoic acid; 3-Amino-4-hydroxybenzoic acid (AHBA); 3-Amino-4-hydroxy-benzoesäure (German)
EINECS	216-381-7

Quality Control

Our 3-Amino-4-Hydroxybenzoic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Production adheres to current Good Manufacturing Practices (cGMP) where applicable. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles, verified through advanced analytical techniques like HPLC and NMR. We support compliance with global regulatory standards including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. The product may be light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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