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3,4'-Oxydianiline

Also known as: 3,4'-Diaminodiphenyl ether, 3,4'-Diaminodiphenylether, 3,4'-Diaminophenyl ether, 3,4'-DPE, 3,4'-ODA, 4-(3-Aminophenoxy)aniline, 3-(4-Aminophenoxy)aniline, Benzenamine, 3-(4-aminophenoxy)-, 3,4'-Oxydianiline (3,4'-ODA), MFCD00036097, EINECS 220-190-0

3,4'-Oxydianiline (CAS 2657-87-6) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C12H12N2O and a molecular weight of 200.236 g/mol. Key properties include a melting point of 67-71 °C(lit.), a boiling point of 384.7±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 209.9±16.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2657-87-6
Jingsj CID
J-1493486-5
Molecular Formula
C12H12N2O
Molecular Weight
200.236 g/mol
Category
Ethers
Last updated
8/21/2026

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Physicochemical Properties

Melting Point67-71 °C(lit.)
Boiling Point384.7±22.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point209.9±16.0 °C
Exact Mass200.094955
PSA61.27000
LogP0.78
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.666

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

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 3,4'-Oxydianiline?

The CAS number of 3,4'-Oxydianiline is 2657-87-6.

What are the molecular formula and molecular weight of 3,4'-Oxydianiline?

3,4'-Oxydianiline has molecular formula C12H12N2O and molecular weight 200.236 g/mol.

Is 3,4'-Oxydianiline hazardous?

3,4'-Oxydianiline has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 3,4'-Oxydianiline?

For 3,4'-Oxydianiline, Upstream Products: 3-Aminophenol, 4-Iodoaniline, (3-Nitro-phenyl)-(4-nitro-phenyl)-ether.

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

Last updated:

How to cite: Jingsj. "3,4'-Oxydianiline (CAS 2657-87-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1493486-5 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.