3,3'-Dihydroxybenzidine, CAS No. 2373-98-0

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2373-98-0

Catalog No. EBD31071

CAS 2373-98-0

Name 3,3'-Dihydroxybenzidine

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Basic Information

Synonyms: 3,3-Dihydroxy-4,4-diamino-biphenyl 3,3'-Dihydroxybenzidine(p-HAB) 4,4'-diaminobiphenyl-3,3'-diol 3,3'-dwuoksybenzydyna p-HAB 1’-biphenyl)-3,3’-diol,4,4’-diamino-( 1’-biphenyl)-4,4’-diamine,3,3’-dihydroxy-( 3,3’-dihydroxy-benzidin 3,3’-dioxybenzidine 3,3’-dwuoksybenzydyna 3,3’-dwuoksybenzydyna(polish) 4,4’-diamino-3’-biphenyldiol 6,6’-diamino-m’-biphenol 3,3'-Dihydroxybenzidine

Molecular Formula: C12H12N2O2

Molecular Weight: 216.24

MDL Number: MFCD00039149

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > Dye Precursors Synthetic Chemistry > Organic Building Blocks > Amines

Product Description:

3,3'-Dihydroxybenzidine is an aromatic diamine compound characterized by two amine groups and two phenolic hydroxyl groups attached to a biphenyl core. It serves as a crucial monomer and intermediate in the synthesis of advanced functional materials. Its primary industrial application is in the production of polyimides and azo dyes. The compound is a key building block for high-performance polymers, particularly in the synthesis of polybenzimidazoles (PBIs) and other thermally stable resins used in aerospace and electronics. Furthermore, it is extensively utilized as a diazo component in the manufacture of azo pigments and dyes, which are important for inks, coatings, and textiles. Due to its bifunctional nature (containing both amine and phenolic groups), it is also a valuable organic synthesis building block for constructing more complex molecular architectures. It is important to note that benzidine and its derivatives, including 3,3'-dihydroxybenzidine, are recognized as potential human carcinogens and must be handled with extreme caution under appropriate safety protocols.

Physical Properties

Melting Point: 292 °C

Boiling Point: 440.7°Cat760mmHg

Flash Point: 220.3°C

Density: 1.384g/cm3