1,4-Bis(4-aminophenoxy)benzene

1,4-双(4-氨基苯氧基)苯

Also known as: 4,4'-(1,4-phenylenebis(oxy))dianiline, 4,4'-(p-Phenylenedioxy)dianiline, Hydroquinone Bis(4-aminophenyl) Ether, Benzenamine, 4,4'-[1,4-phenylenebis(oxy)]bis-, 1,4-Bis(4-aminophenoxy)benzene, 4,4'-(1,4-phenylenebisoxy)dianiline, p,p'-(p-phenylenedioxy)dianiline

1,4-Bis(4-aminophenoxy)benzene (CAS 3491-12-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H16N2O2 and a molecular weight of 292.332 g/mol. It is also known as 4,4'-(1,4-phenylenebis(oxy))dianiline, 4,4'-(p-Phenylenedioxy)dianiline and Hydroquinone Bis(4-aminophenyl) Ether. Key properties include a melting point of 173°C, a boiling point of 483.6±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 267.8±21.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3491-12-1
Jingsj CID
J-4445-7
Molecular Formula
C18H16N2O2
Chinese Name
1,4-双(4-氨基苯氧基)苯
Molecular Weight
292.332 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point173°C
Boiling Point483.6±40.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point267.8±21.0 °C
Exact Mass292.121185
PSA70.50000
LogP2.59
Vapor Pressure0.0±1.2 mmHg at 25°C
Refractive Index1.668

Customs & Trade Information

HS Code2922299090
Summary2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,4-Bis(4-aminophenoxy)benzene?

The CAS number of 1,4-Bis(4-aminophenoxy)benzene is 3491-12-1.

What are the molecular formula and molecular weight of 1,4-Bis(4-aminophenoxy)benzene?

1,4-Bis(4-aminophenoxy)benzene has molecular formula C18H16N2O2 and molecular weight 292.332 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,4-Bis(4-aminophenoxy)benzene (CAS 3491-12-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4445-7 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.