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di-tert-butyl nitroxide

Also known as: DTBN, Bis(1,1-dimethylethyl)nitroxide, Di-t-butyl nitroxide, Di-tert-butyl nitroxide radical, Di-tert-butyliminoxyl, Di-tert-butylnitroxyl, N-Oxyl-di(tert-butyl)amine, Nitroxide, bis(1,1-dimethylethyl), Bis(tert-butyl) nitroxide, Di-tert-butylnitroxyl, Nitroxide, di-tert-butyl

di-tert-butyl nitroxide (CAS 2406-25-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H18NO and a molecular weight of 144.23500 g/mol. Key properties include a boiling point of 74-75ºC34 mm Hg(lit.), a density of 0.877g/cm3 and a flash point of 45.6 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
2406-25-9
Jingsj CID
J-35257-8
Molecular Formula
C8H18NO
Molecular Weight
144.23500 g/mol
Category
Organic Compounds
Last updated
11/2/2026

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Physicochemical Properties

Boiling Point74-75ºC34 mm Hg(lit.)
Density0.877g/cm3
Flash Point45.6 °C
Exact Mass144.13900
PSA3.24000
LogP2.23090
Refractive Index1.435

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of di-tert-butyl nitroxide?

The CAS number of di-tert-butyl nitroxide is 2406-25-9.

What are the molecular formula and molecular weight of di-tert-butyl nitroxide?

di-tert-butyl nitroxide has molecular formula C8H18NO and molecular weight 144.23500 g/mol.

Is di-tert-butyl nitroxide hazardous?

di-tert-butyl nitroxide has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H315 — Causes skin irritation.

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

Last updated:

How to cite: Jingsj. "di-tert-butyl nitroxide (CAS 2406-25-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35257-8 (accessed 2026-11-09).

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