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N-Ethyl-4-nitroaniline

Also known as: N-Ethyl-p-nitroaniline, N-Ethyl-4-nitrobenzenamine, N-Ethyl-N-(4-nitrophenyl)amine, Benzenamine, N-ethyl-4-nitro-, Ethyl-4-nitro-phenyl-amine, Ethyl-(4-nitro-phenyl)-amine, p-nitro-phenyl-ethylamine, N1-ethyl-4-nitroaniline, n-ethyl-4-nitro-benzenamin, 4-nitro-N-ethylaniline

N-Ethyl-4-nitroaniline (CAS 3665-80-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H10N2O2 and a molecular weight of 166.17700 g/mol. Key properties include a melting point of 96-98ºC(lit.), a boiling point of 302.3ºC at 760mmHg, a density of 1.21g/cm3 and a flash point of 136.6ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3665-80-3
Jingsj CID
J-27891-1
Molecular Formula
C8H10N2O2
Molecular Weight
166.17700 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point96-98ºC(lit.)
Boiling Point302.3ºC at 760mmHg
Density1.21g/cm3
Flash Point136.6ºC
Exact Mass166.07400
PSA57.85000
LogP2.62280

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2921499090
Summary2921499090 other aromatic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of N-Ethyl-4-nitroaniline?

The CAS number of N-Ethyl-4-nitroaniline is 3665-80-3.

What are the molecular formula and molecular weight of N-Ethyl-4-nitroaniline?

N-Ethyl-4-nitroaniline has molecular formula C8H10N2O2 and molecular weight 166.17700 g/mol.

Is N-Ethyl-4-nitroaniline hazardous?

N-Ethyl-4-nitroaniline has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of N-Ethyl-4-nitroaniline?

For N-Ethyl-4-nitroaniline, Upstream Products: N-Ethylaniline, nitrobenzene, n-Butyl vinyl ether; Downstream Products: N-Ethyl-2-bromo-4-nitroaniline.

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

Last updated:

How to cite: Jingsj. "N-Ethyl-4-nitroaniline (CAS 3665-80-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27891-1 (accessed 2026-11-09).

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