Description

5-[(3-Carboxy-4-Hydroxyphenyl)(3-Carboxy-4-Oxo-2,5-Cyclohexadien-1-Ylidene)Methyl]-2-Hydroxy-3-Methylbenzoic Acid is a complex, multi-functional aromatic carboxylic acid derivative with significant chelating and chromophoric properties. This compound is valued for its role as a key synthetic intermediate and analytical reagent in advanced chemical research and manufacturing. It is primarily sought by the pharmaceutical, fine chemical, and specialty materials industries for applications requiring precise molecular architecture and metal-binding capabilities.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with complex polyphenolic or metal-chelating structures.
• Analytical Chemistry Reagent: Utilized as a specialized reagent or chromogenic agent in spectrophotometric methods for the detection and quantification of specific metal ions.
• Fine Chemical Synthesis: Acts as a versatile intermediate in the production of dyes, pigments, and advanced organic materials where its conjugated system imparts specific optical properties.
• Research & Development: Employed in academic and industrial R&D for studying reaction mechanisms, developing new synthetic pathways, and creating novel polymeric or coordination compounds.
• Chelating Agent Precursor: Used in the manufacture of specialized chelating agents for applications in water treatment, catalysis, or as additives in various industrial processes.

Basic Information

Product Name	5-[(3-Carboxy-4-Hydroxyphenyl)(3-Carboxy-4-Oxo-2,5-Cyclohexadien-1-Ylidene)Methyl]-2-Hydroxy-3-Methylbenzoic Acid
CAS No.	10142-99-1
Molecular Formula	C23H16O8
Molecular Weight	420.37 g/mol
Synonyms	3,3',4'-Trihydroxy-2-methylfuchson-2'-carboxylic acid; 3,3',4'-Trihydroxy-2-methylfuchson-2'-carboxylic acid-5'-carboxylic acid; 2-Hydroxy-3-methyl-5-[(3-carboxy-4-hydroxyphenyl)(3-carboxy-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]benzoic acid; Fuchson derivative, trihydroxy methyl dicarboxylic acid; Benzoic acid, 5-[(3-carboxy-4-hydroxyphenyl)(3-carboxy-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-2-hydroxy-3-methyl-; Light-sensitive fuchson carboxylic acid derivative.
EINECS	Contact for details

Quality Control

Our production of 5-[(3-Carboxy-4-Hydroxyphenyl)(3-Carboxy-4-Oxo-2,5-Cyclohexadien-1-Ylidene)Methyl]-2-Hydroxy-3-Methylbenzoic Acid adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided and can be tailored to support compliance with cGMP, ISO, or other relevant quality frameworks for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Due to its light-sensitive nature, the container should be opaque or kept in dark conditions. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to brownish-yellow powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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