2,2' - Diaminobiphenyl, CAS No. 1454-80-4

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1454-80-4

Catalog No. EBD25048

CAS 1454-80-4

Name 2,2' - Diaminobiphenyl

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Basic Information

Synonyms: o,o'-diaminobiphenyl o-benzidine 2,2-Diaminobiphenyl 2,2′ 2,2'-Biphenyldiamine biphenyl-2,2'-diamine 2'-amino[1,1'-biphenyl]-2-ylamine [1,1'-biphenyl]-2,2'-diamine 2,2'-Diaminobiphenyl timtec-bbsbb008458 (1,1’-biphenyl)-2,2’-diamine 2,2’-diaminodiphenyl 2,2'-diaminodiphenyl o,o’-diaminobiphenyl

Molecular Formula: C12H12N2

Molecular Weight: 184.24

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

Product Description:

2,2'-Diaminobiphenyl is an aromatic diamine compound characterized by two amine groups attached to the biphenyl scaffold at the ortho positions. This specific substitution pattern imparts unique steric and electronic properties, making it a valuable building block in materials science. Its primary and most significant application is as a key monomer or precursor in the synthesis of advanced organic electronic materials. It is widely used to construct polyimides, polyamides, and other high-performance polymers that serve as alignment layers in liquid crystal displays (LCDs) or as components in organic light-emitting diodes (OLEDs). The rigid biphenyl core and the reactive amine groups allow for the formation of thermally stable and mechanically robust polymeric structures with desirable optoelectronic characteristics. Beyond its role in materials chemistry, 2,2'-diaminobiphenyl also serves as a versatile organic synthesis intermediate. It can be used in the preparation of heterocyclic compounds, ligands for metal complexes, and other functionalized aromatic systems. Due to its potential toxicity and environmental impact, appropriate safety measures should be observed during handling and use.

Physical Properties

Boiling Point: 352.5 °C at 760 mmHg

Flash Point: 198.9 °C

Density: 1.156 g/cm3

Safety Information

Packing Level: III

Hazard Category: 9

Transport Codes: 3077