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1-tert-butyl-3-ethylcarbodiimide

Also known as: N-tert-butyl-N'-ethylcarbodiimide, N-ethyl-N'-tert-butylcarbodiimide, 1-ethyl-3-tert-butylcarbodiimide, N'-(tert-butyl)-N-ethylmethanediimine, N-(Ethylcarbonimidoyl)-2-methyl-2-propanamine

1-tert-butyl-3-ethylcarbodiimide (CAS 1433-27-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H14N2 and a molecular weight of 126.19900 g/mol. Key properties include a boiling point of 146.5ºC at 760 mmHg, a density of 0.8 g/cm3 and a flash point of 34.4 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
1433-27-8
Jingsj CID
J-9658-2
Molecular Formula
C7H14N2
Molecular Weight
126.19900 g/mol
Category
Organic Bases
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point146.5ºC at 760 mmHg
Density0.8 g/cm3
Flash Point34.4 °C
Exact Mass126.11600
PSA24.72000
LogP1.97870
Vapor Pressure5.84mmHg at 25°C
Refractive Indexn20/D 1.432(lit.)

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 1-tert-butyl-3-ethylcarbodiimide?

The CAS number of 1-tert-butyl-3-ethylcarbodiimide is 1433-27-8.

What are the molecular formula and molecular weight of 1-tert-butyl-3-ethylcarbodiimide?

1-tert-butyl-3-ethylcarbodiimide has molecular formula C7H14N2 and molecular weight 126.19900 g/mol.

Is 1-tert-butyl-3-ethylcarbodiimide hazardous?

1-tert-butyl-3-ethylcarbodiimide has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 1-tert-butyl-3-ethylcarbodiimide?

For 1-tert-butyl-3-ethylcarbodiimide, Upstream Products: Methylmagnesium iodide, N-(triphenylphosphoranylidene)-1H-benzotriazole-1-methanamine, tert-Butyl isocyanate.

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

Last updated:

How to cite: Jingsj. "1-tert-butyl-3-ethylcarbodiimide (CAS 1433-27-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9658-2 (accessed 2026-11-09).

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