Description

1,1'-Bis(2-Hydroxy-3-Naphthoic Acid) is a specialized bifunctional organic compound featuring two naphthoic acid units linked through a central carbon, each bearing a phenolic hydroxyl group. This unique structure makes it a valuable intermediate for synthesizing complex molecules, particularly as a monomer or ligand in the production of high-performance polymers, liquid crystals, and metal-organic frameworks (MOFs). It is essential for R&D and manufacturing in advanced material science, pharmaceutical chemistry, and specialty chemical synthesis, where precise molecular architecture is required.

Application

• Polymer & Resin Intermediate: Serves as a key monomer for synthesizing high-temperature resistant polyesters, polyamides, and epoxy resins.
• Liquid Crystal Synthesis: Used as a core building block in the production of nematic and smectic liquid crystals for display technologies.
• Pharmaceutical Intermediate: Acts as a precursor in the synthesis of complex active pharmaceutical ingredients (APIs) and diagnostic agents.
• Metal-Organic Frameworks (MOFs): Functions as an organic linker or ligand to construct porous coordination polymers for gas storage, separation, and catalysis.
• Dye & Pigment Manufacturing: Employed in the synthesis of high-performance organic pigments and complex dyes.
• Chelating Agent: Utilized to form stable complexes with metal ions in analytical chemistry and industrial processes.
• Research & Development: A critical reagent in academic and industrial R&D for exploring new materials and chemical pathways.

Basic Information

Product Name	1,1'-Bis(2-Hydroxy-3-Naphthoic Acid)
CAS No.	47568-49-0
Molecular Formula	C22H14O6
Molecular Weight	374.34 g/mol
Synonyms	1,1'-Bis(2-hydroxy-3-naphthoic acid); 1,1'-Bis(3-carboxy-2-hydroxynaphthalene); 2,2'-(1,1'-Methylenebis(oxy))dinicotinic Acid (related isomer); Dinaphthoic Acid Derivative; Bis(naphthoic acid) Dimer; 1,1'-Methylenebis(2-hydroxy-3-naphthoic acid); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 1,1'-Bis(2-Hydroxy-3-Naphthoic Acid) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. 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 controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture, which may affect product quality.

Specification

Item	Specification
Appearance	Off-white to light yellow 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)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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