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N,N'-Dibenzylethylenediamine

Also known as: N,N'-Bis(phenylmethyl)-1,2-ethanediamine, N,N'-Dibenzyl-1,2-ethanediamine, N,N'-Bis(phenylmethyl)ethane-1,2-diamine, Benzathine, 1,2-Bis(benzylamino)ethane, N1,N2-Dibenzylethane-1,2-diamine, DBED

N,N'-Dibenzylethylenediamine (CAS 140-28-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C16H20N2 and a molecular weight of 240.343 g/mol. Key properties include a melting point of 23-25°C, a boiling point of 373.8±22.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 220.5±14.1 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
140-28-3
Jingsj CID
J-4771-9
Molecular Formula
C16H20N2
Molecular Weight
240.343 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point23-25°C
Boiling Point373.8±22.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point220.5±14.1 °C
Exact Mass240.162643
PSA24.06000
LogP2.86
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.571

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2921590090
Summary2921590090. other aromatic polyamines and their derivatives; 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 N,N'-Dibenzylethylenediamine?

The CAS number of N,N'-Dibenzylethylenediamine is 140-28-3.

What are the molecular formula and molecular weight of N,N'-Dibenzylethylenediamine?

N,N'-Dibenzylethylenediamine has molecular formula C16H20N2 and molecular weight 240.343 g/mol.

Is N,N'-Dibenzylethylenediamine hazardous?

N,N'-Dibenzylethylenediamine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of N,N'-Dibenzylethylenediamine?

For N,N'-Dibenzylethylenediamine, Upstream Products: N,N'-Dibenzylideneethylenediamine, Benzaldehyde, N,N'-Ethylenebisbenzamide; Downstream Products: N-Methylbenzylamine, ethyl 1,4-dibenzyl-3-oxopiperazine-2-carboxylate, Ethyl 3-oxo-4-(phenylmethyl)-2-piperazinecarboxylate.

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,N'-Dibenzylethylenediamine (CAS 140-28-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4771-9 (accessed 2026-11-06).

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