Description

Hisphen CAS NO 2764-56-9 is a high-purity chemical compound widely recognized as a key intermediate in advanced organic synthesis. Its primary value lies in enabling the production of specialized materials with enhanced performance characteristics. This product is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable and consistent raw materials for their critical processes.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and plant growth regulators.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the manufacture of specialty resins and high-performance polymers.
• Research & Development: Employed in academic and industrial R&D laboratories for exploring new chemical entities and reaction pathways.
• Dye and Pigment Manufacturing: Acts as a precursor in the synthesis of complex organic colorants.
• Liquid Crystal and OLED Materials: Used in the development of electronic display components and advanced optoelectronic materials.

Basic Information

Product Name	Hisphen
CAS No.	2764-56-9
Molecular Formula	C15H12O2
Molecular Weight	224.26 g/mol
Synonyms	4,4'-Dihydroxybiphenyl; 4,4'-Biphenol; p,p'-Biphenol; 4,4'-Biphenyldiol; [1,1'-Biphenyl]-4,4'-diol; DOD; Hisphen A; NSC 4032
EINECS	220-432-6

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards and customer-specific requirements. Each batch is analyzed using validated methods including HPLC, GC, and NMR to confirm identity, purity, and the absence of critical impurities. Certificates of Analysis (COA) documenting all test results are available upon request. We adhere to a robust quality management system to guarantee batch-to-batch consistency and supply reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	274 - 280 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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