Atomfair Bis(4-aminophenyl) Terephthalate C20H16N2O4 CAS 16926-73-1

Description

Bis(4-aminophenyl) Terephthalate (CAS: 16926-73-1) is a high-purity aromatic ester compound with the molecular formula C₂₀H₁₆N₂O₄. This specialized chemical features two aminophenyl groups linked to a terephthalate core, making it an ideal intermediate for advanced polymer synthesis, particularly in the production of polyimides and high-performance thermoplastics. Its rigid aromatic structure contributes to exceptional thermal stability and mechanical strength in engineered materials. Researchers and industrial scientists value this compound for its role in developing heat-resistant coatings, adhesives, and electronic encapsulation materials. Available in >98% purity, it is supplied as a fine crystalline powder with strict quality control to ensure batch-to-batch consistency for R&D and manufacturing applications.

Properties

• CAS Number: 16926-73-1
• Complexity: 430
• IUPAC Name: bis(4-aminophenyl) benzene-1,4-dicarboxylate
• InChI: InChI=1S/C20H16N2O4/c21-15-5-9-17(10-6-15)25-19(23)13-1-2-14(4-3-13)20(24)26-18-11-7-16(22)8-12-18/h1-12H,21-22H2
• InChI Key: CFTXGNJIXHFHTH-UHFFFAOYSA-N
• Exact Mass: 348.11100700
• Molecular Formula: C20H16N2O4
• Molecular Weight: 348.4
• SMILES: C1=CC(=CC=C1C(=O)OC2=CC=C(C=C2)N)C(=O)OC3=CC=C(C=C3)N
• Topological: 105
• Monoisotopic Mass: 348.11100700
• Synonyms: BIS(4-AMINOPHENYL) TEREPHTHALATE, 878-376-8, 16926-73-1, 1,4-Benzenedicarboxylic acid bis(4-aminophenyl) ester, Bis(4-aminophenyl) benzene-1,4-dicarboxylate, Bis(4-aminophenyl)terephthalate, 1,4-Benzenedicarboxylic acid bis(4-aminophenyl) ester pound BAPT pound(c), MFCD16038448, 1,4-bis(4-aminophenyl) benzene-1,4-dicarboxylate, SCHEMBL346698, 1,4-Benzenedicarboxylic acid, bis(4-aminophenyl) ester, DTXSID80694865, CFTXGNJIXHFHTH-UHFFFAOYSA-N, AKOS016003975, SB83489, BS-49615, B4541, CS-0168007, F19877

Bis(4-aminophenyl) Terephthalate serves as a critical monomer in synthesizing thermally stable polyimides for aerospace components and flexible printed circuits. Its dual amine functionality enables covalent incorporation into polymer backbones, enhancing glass transition temperatures above 300°C. The compound finds particular utility in microelectronics as a dielectric layer precursor and in composite materials requiring exceptional dimensional stability under thermal cycling conditions.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

• P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)

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