Description

4-[[(2-Hydroxyphenyl)Methylene]Amino]Salicylic Acid is a specialized organic compound belonging to the class of Schiff base derivatives, known for its chelating properties and role as a key synthetic intermediate. This compound is valued for its ability to form stable complexes with various metal ions, making it a critical component in advanced material synthesis and analytical chemistry. It is primarily sought by manufacturers and researchers in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly those with metal-binding or chelating therapeutic functions.
• Analytical Chemistry Reagent: Serves as a sensitive colorimetric reagent or chelating agent for the detection and quantification of specific metal ions in analytical procedures.
• Agrochemical Synthesis: Acts as a key building block in the development of new fungicides, herbicides, or plant growth regulators.
• Coordination Chemistry & Material Science: Employed in the preparation of metal-organic frameworks (MOFs), catalysts, and other functional materials due to its bidentate ligand structure.
• Dye and Pigment Intermediate: Utilized in the synthesis of azo dyes and complex organic pigments, contributing to color stability and performance.
• Research & Development: A valuable tool in academic and industrial R&D for studying Schiff base chemistry, metal complexation, and reaction mechanisms.

Basic Information

Product Name	4-[[(2-Hydroxyphenyl)Methylene]Amino]Salicylic Acid
CAS No.	71530-61-5
Molecular Formula	C14H11NO4
Molecular Weight	257.24 g/mol
Synonyms	4-[(2-Hydroxybenzylidene)amino]salicylic acid; 4-[(2-Hydroxybenzylidene)amino]-2-hydroxybenzoic acid; 2-Hydroxy-4-[(2-hydroxybenzylidene)amino]benzoic acid; Salicylic acid, 4-[(2-hydroxybenzylidene)amino]-; 4-(2-Hydroxybenzylideneamino)salicylic acid; N-(2-Hydroxybenzylidene)-4-aminosalicylic acid; Schiff base of salicylaldehyde and 4-aminosalicylic acid
EINECS	Contact for details

Quality Control

Our production of 4-[[(2-Hydroxyphenyl)Methylene]Amino]Salicylic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material is subjected to comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet the exacting standards required for synthetic intermediates. A Certificate of Analysis (COA) detailing identity, purity, and specific test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider packaging under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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