Description

Neopentyl Glycol Bis(4-aminophenyl) Ether (CAS No. 115570-52-0) is a high-purity aromatic diamine compound with the molecular formula C₁₇H₂₂N₂O₂. This specialized chemical, also known by its IUPAC name 4-[3-(4-aminophenoxy)-2,2-dimethylpropoxy]aniline, features a unique neopentyl glycol backbone with terminal aromatic amine groups, making it valuable for advanced polymer synthesis and specialty material applications. The compound’s rigid yet symmetrical structure contributes to thermal stability and controlled reactivity, particularly in epoxy curing and polyimide formation. Supplied as a crystalline solid with >98% purity (HPLC), it is rigorously tested for consistency in melting point, solubility, and amine content. Ideal for research in high-performance resins, adhesives, and composite materials requiring precise crosslinking control. Store under inert atmosphere at 2-8°C to maintain stability.

Properties

• CAS Number: 115570-52-0
• Complexity: 265
• IUPAC Name: 4-[3-(4-aminophenoxy)-2,2-dimethyl-propoxy]aniline
• InChI: InChI=1S/C17H22N2O2/c1-17(2,11-20-15-7-3-13(18)4-8-15)12-21-16-9-5-14(19)6-10-16/h3-10H,11-12,18-19H2,1-2H3
• InChI Key: HPUJEBAZZTZOFL-UHFFFAOYSA-N
• Exact Mass: 286.168127949
• Molecular Formula: C17H22N2O2
• Molecular Weight: 286.37
• SMILES: CC(C)(COC1=CC=C(C=C1)N)COC2=CC=C(C=C2)N
• Topological: 70.5
• Monoisotopic Mass: 286.168127949
• Synonyms: Neopentyl Glycol Bis(4-aminophenyl) Ether, 678-297-7, 115570-52-0, 4,4′-((2,2-Dimethylpropane-1,3-diyl)bis(oxy))dianiline, 4-[3-(4-aminophenoxy)-2,2-dimethylpropoxy]aniline, Benzenamine, 4,4′-[(2,2-dimethyl-1,3-propanediyl)bis(oxy)]bis-, 4,4′-[(2,2-Dimethylpropane-1,3-diyl)bis(oxy)]dianiline, 1,3-Bis(4-aminophenoxy)neopentane, MFCD00671569, SCHEMBL661780, DTXSID00556219, AKOS027320099, 2,2-Bis[(4-aminophenoxy)methyl]propane, AS-71346, Neopentyl glycol bis-(4-aminophenyl)ether, CS-0205343, N0614, 1,3-bis(4-aminophenoxy)-2,2-dimethylpropane, 1,3-bis-(4-aminophenoxy)-2,2-dimethylpropane, D91748, 2,2-Dimethylpropane 1,3-Bis(4-aminophenyl) Ether, 4,4′-[(2,2-Dimethyl-1,3-propanediyl)bis(oxy)]bis[benzenamine]

Application

Neopentyl Glycol Bis(4-aminophenyl) Ether serves as a key monomer in high-temperature epoxy curing systems, where its sterically hindered structure delays reaction kinetics for improved processing. The compound’s dual amine functionality enables crosslinking in polyimide precursors for flexible electronics and aerospace composites. Researchers utilize it to modify thermoset polymers for enhanced thermal stability (up to 300°C) and mechanical properties in microelectronic encapsulants.

Safety and Hazards

GHS Hazard Statements

• H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
• H312 (100%): Harmful in contact with skin [Warning Acute toxicity, dermal]
• H332 (100%): Harmful if inhaled [Warning Acute toxicity, inhalation]

Precautionary Statements

• P261, P264, P270, P271, P280, P301+P317, P302+P352, P304+P340, P317, P321, P330, P362+P364, and P501

Hazard Classes and Categories

• Acute Tox. 4 (100%)
• Acute Tox. 4 (100%)
• Acute Tox. 4 (100%)

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