Diethyl 1H-imidazole-4,5-dicarboxylate

Also known as: 1H-imidazole-4,5-dicarboxylic acid diethyl ester, 4,5-diethyl 1H-imidazole-4,5-dicarboxylate, Diethyl 4,5-imidazole-1H-4,5-dicarboxylate, imidazole 4,5-dicarboxylic acid diethyl ester

Diethyl 1H-imidazole-4,5-dicarboxylate (CAS 1080-79-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H12N2O4 and a molecular weight of 212.20300 g/mol. Key properties include a melting point of 210-216ºC, a boiling point of 357.9ºC at 760 mmHg, a density of 1.249 g/cm3 and a flash point of 170.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1080-79-1
Jingsj CID: J-37685-2
Molecular Formula: C₉H₁₂N₂O₄
Molecular Weight: 212.20300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	210-216ºC
Boiling Point	357.9ºC at 760 mmHg
Density	1.249 g/cm3
Flash Point	170.2ºC
Exact Mass	212.08000
PSA	81.28000
LogP	0.76310
Vapor Pressure	0mmHg at 25°C
Refractive Index	1.605

Customs & Trade Information

HS Code	2933290090
Summary	2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Diethyl 1H-imidazole-4,5-dicarboxylate?

The CAS number of Diethyl 1H-imidazole-4,5-dicarboxylate is 1080-79-1.

What are the molecular formula and molecular weight of Diethyl 1H-imidazole-4,5-dicarboxylate?

Diethyl 1H-imidazole-4,5-dicarboxylate has molecular formula C9H12N2O4 and molecular weight 212.20300 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Diethyl 1H-imidazole-4,5-dicarboxylate (CAS 1080-79-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37685-2 (accessed 2026-11-09).

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