Description

4-((4-Aminophenyl)Ethynyl)Benzoic Acid CAS NO 910467-92-4 is a high-purity organic building block characterized by its distinct aromatic amine and carboxylic acid functional groups linked by an ethynyl bridge. This compound is of significant value in advanced materials science and pharmaceutical research, serving as a versatile intermediate for constructing complex molecular architectures. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring precise molecular design and functionalization.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in targeted therapies.
• Organic Electronic Materials: Used in the development of organic semiconductors, hole-transport materials, and components for OLEDs and OFETs due to its conjugated system.
• Metal-Organic Framework (MOF) Synthesis: Serves as a functionalized linker to create MOFs with tailored porosity and surface properties for catalysis or gas storage.
• Agrochemical Research: Intermediate in the design and synthesis of new generation herbicides, fungicides, and plant growth regulators.
• Polymer Modification: Incorporated as a functional monomer to impart specific chemical or optical properties to advanced polymers and resins.
• Dye and Pigment Synthesis: Precursor for creating specialized dyes and pigments with enhanced stability and color properties.
• Bioconjugation and Probe Development: Utilized in life sciences for attaching fluorescent tags or other reporter molecules to biomolecules.
• Academic and Industrial R&D: Fundamental research reagent for exploring new chemical reactions and catalytic processes.

Basic Information

Product Name	4-((4-Aminophenyl)Ethynyl)Benzoic Acid
CAS No.	910467-92-4
Molecular Formula	C15H11NO2
Molecular Weight	237.25 g/mol
Synonyms	4-(4-Aminophenylethynyl)benzoic acid; 4-Ethynylbenzoic acid, 4-amino- derivative; p-Aminophenylacetylene-benzoic acid; Benzoic acid, 4-[(4-aminophenyl)ethynyl]-; 4-Carboxy-4'-aminodiphenylacetylene; 4'-Amino-4-ethynylbenzoic acid; [1,1'-Biphenyl]-4-carboxylic acid, 4'-amino-4-ethynyl-
EINECS	Contact for details

Quality Control

Our 4-((4-Aminophenyl)Ethynyl)Benzoic Acid is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and development. Each lot is analyzed using advanced techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment. We adhere to cGMP principles where applicable to support our customers' regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and easily oxidized; for long-term storage, consider storing under an inert atmosphere such as argon or nitrogen. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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