Description

4,4'-(Naphthalene-1,4-Diyl)Bis(2-Hydroxybenzoic Acid) is a high-purity, functionalized organic compound featuring a rigid naphthalene core symmetrically linked to two salicylic acid moieties. This unique molecular architecture makes it a valuable advanced intermediate for synthesizing complex materials with tailored optical and electronic properties. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel active ingredients and functional monomers.

Application

• Pharmaceutical Intermediate: Serves as a key building block for the synthesis of novel drug candidates, particularly those targeting specific protein interactions.
• Agrochemical Research: Used in developing new-generation herbicides and plant growth regulators due to its phenolic and carboxylic acid functionalities.
• Organic Electronic Materials: Acts as a precursor for conjugated polymers and small molecules used in OLEDs (Organic Light-Emitting Diodes) and OFETs (Organic Field-Effect Transistors).
• Metal-Organic Framework (MOF) Synthesis: Functions as a versatile organic linker for constructing porous coordination polymers with potential applications in gas storage and catalysis.
• Dye and Pigment Intermediate: Utilized in the production of high-performance, color-fast dyes and pigments for specialized applications.
• Ligand for Catalysis: Can be employed to create chelating ligands for transition metal catalysts used in asymmetric synthesis.

Basic Information

Product Name	4,4'-(Naphthalene-1,4-Diyl)Bis(2-Hydroxybenzoic Acid)
CAS No.	2250341-24-1
Molecular Formula	C24H16O6
Molecular Weight	400.38 g/mol
Synonyms	1,4-Bis(2-carboxy-4-hydroxyphenyl)naphthalene; 4,4'-(1,4-Naphthalenediyl)bis(2-hydroxybenzoic acid); 2,2'-(Naphthalene-1,4-diylbis(oxy))dibenzoic acid (alternative tautomer representation); Salicylic acid, 4,4'-(1,4-naphthalenediyl)bis-; Naphthalene-1,4-diylbis(4-hydroxybenzoic acid) (common misnomer); NDBA (abbreviation); Contact for other trade names.
EINECS	Contact for details

Quality Control

Our production of 4,4'-(Naphthalene-1,4-Diyl)Bis(2-Hydroxybenzoic Acid) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles 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, and well-ventilated area at a controlled room temperature (15-25°C). Due to its sensitivity, the material should be stored under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Loss on Drying	≤ 1.0%
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.