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 organic synthesis. Its molecular structure is critical for the production of high-value dyes, pigments, and advanced pharmaceutical agents. This chemical is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical industries seeking a reliable building block for complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a substituted benzoic acid scaffold.
• Dye and Pigment Manufacturing: Serves as a crucial intermediate for producing azo dyes and other complex colorants, contributing to color fastness and specific hue properties.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and plant growth regulators where its aromatic amine functionality is utilized.
• Research & Development: Employed in academic and industrial R&D for exploring new chemical entities, coordination chemistry, and material science applications.
• Polymer Modification: Acts as a monomer or additive for synthesizing specialty polymers with enhanced thermal stability or specific interactive sites.
• Chemical Synthesis Reagent: Utilized in various organic transformations, including peptide coupling reactions and as a protecting group component.

Basic Information

Product Name	3-Amino-4-Hydroxybenzoic Acid
CAS No.	7450-57-9
Molecular Formula	C7H7NO3
Molecular Weight	153.14 g/mol
Synonyms	4-Hydroxy-3-aminobenzoic Acid; 3-Amino-4-hydroxybenzoic acid; 3-Amino-4-hydroxy-benzoic acid; Benzoic acid, 3-amino-4-hydroxy-; 3-Amino-4-HBA; 4-Hydroxy-3-aminobenzoic acid; 3-Amino-4-carboxyphenol; 3-Amino-4-hydroxybenzoesäure (German)
EINECS	231-237-8

Quality Control

Our 3-Amino-4-Hydroxybenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for industrial and research use. Certificates of Analysis (COA) detailing all test results are provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Light yellow to beige 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

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