Glycine anhydride

甘氨酸酐

Also known as: 2,5-Diketopiperazine, 2,5-Piperazinedione, 2,5-Dioxopiperazine, Cyclo(-Gly-Gly), Cyclodiglycine, Cycloglycylglycine, Diglycolyl diamide, Glycocoll anhydride, Glycylglycine lactam

Glycine anhydride (CAS 4202-74-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H8N2O3 and a molecular weight of 132.11800 g/mol. It is also known as 2,5-Diketopiperazine, 2,5-Piperazinedione and 2,5-Dioxopiperazine. Key properties include a melting point of >300ºC(lit.), a boiling point of 210ºC at 760mmHg, a density of 1.288g/cm3 and a flash point of 99ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4202-74-8
Jingsj CID
J-1343587-1
Molecular Formula
C4H8N2O3
Chinese Name
甘氨酸酐
Molecular Weight
132.11800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>300ºC(lit.)
Boiling Point210ºC at 760mmHg
Density1.288g/cm3
Flash Point99ºC

Frequently Asked Questions

What is the CAS number of Glycine anhydride?

The CAS number of Glycine anhydride is 4202-74-8.

What are the molecular formula and molecular weight of Glycine anhydride?

Glycine anhydride has molecular formula C4H8N2O3 and molecular weight 132.11800 g/mol.

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

Last updated:

How to cite: Jingsj. "Glycine anhydride (CAS 4202-74-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1343587-1 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.