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Diethyl azodicarboxylate

Also known as: DEAD, Diethyl azodiformate, Diazenedicarboxylic acid diethyl ester, Diethyl diazene-1,2-dicarboxylate, Diethyl diazodicarboxylate, Diethoxycarbonyldiazene, Azodicarboxylic acid diethyl ester, Ethyl azodicarboxylate, Formic acid, azodi-, diethyl ester

Diethyl azodicarboxylate (CAS 1972-28-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10N2O4 and a molecular weight of 174.155 g/mol. Key properties include a boiling point of 226.3±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 106.9±13.2 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H242 and H304. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1972-28-7
Jingsj CID
J-41231-7
Molecular Formula
C6H10N2O4
Molecular Weight
174.155 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point226.3±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point106.9±13.2 °C
Exact Mass174.064056
PSA77.32000
LogP1.85
Vapor Pressure0.1±0.4 mmHg at 25°C
Refractive Index1.472

GHS Safety & Compliance

Flammable / Irritant / Health HazardSignal word: Danger
  • H226 — Flammable liquid and vapour
  • H242
  • H304
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H336 — May cause drowsiness or dizziness
  • H373 — May cause damage to organs through prolonged exposure

Customs & Trade Information

HS Code2927000090
Summary2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Diethyl azodicarboxylate?

The CAS number of Diethyl azodicarboxylate is 1972-28-7.

What are the molecular formula and molecular weight of Diethyl azodicarboxylate?

Diethyl azodicarboxylate has molecular formula C6H10N2O4 and molecular weight 174.155 g/mol.

Is Diethyl azodicarboxylate hazardous?

Diethyl azodicarboxylate has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H242; H304.

What are the upstream and downstream products of Diethyl azodicarboxylate?

For Diethyl azodicarboxylate, Upstream Products: Diethyl hydrazodicarboxylate, 2-Benzyloxyethanol, 4-Methyl-3-nitrophenol; Downstream Products: 4-(4-Fluorophenoxy)piperidine, Diethyl hydrazodicarboxylate, (R)-4-Acetylthio-2-pyrrolidinone.

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

Last updated:

How to cite: Jingsj. "Diethyl azodicarboxylate (CAS 1972-28-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41231-7 (accessed 2026-11-09).

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