1-methylpiperazine-2,5-dione

Also known as: 1-methyl-2,5-piperazinedione, 2,5-Piperazinedione, 1-methyl-, Glycylsarcosine anhydride, 1-methyl-2,5-diketopiperazine, Glycine sarcosine anhydride

1-methylpiperazine-2,5-dione (CAS 5625-52-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H8N2O2 and a molecular weight of 128.12900 g/mol. Key properties include a boiling point of 427ºC at 760 mmHg, a density of 1.202g/cm3 and a flash point of 212.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5625-52-5
Jingsj CID: J-1428433-4
Molecular Formula: C₅H₈N₂O₂
Molecular Weight: 128.12900 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	427ºC at 760 mmHg
Density	1.202g/cm3
Flash Point	212.1ºC
Exact Mass	128.05900
PSA	49.41000
Refractive Index	1.481

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring 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 1-methylpiperazine-2,5-dione?

The CAS number of 1-methylpiperazine-2,5-dione is 5625-52-5.

What are the molecular formula and molecular weight of 1-methylpiperazine-2,5-dione?

1-methylpiperazine-2,5-dione has molecular formula C5H8N2O2 and molecular weight 128.12900 g/mol.

What are the upstream and downstream products of 1-methylpiperazine-2,5-dione?

For 1-methylpiperazine-2,5-dione, Upstream Products: Glycylsarcosine; Downstream Products: 1-Methylpiperazine.

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. "1-methylpiperazine-2,5-dione (CAS 5625-52-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1428433-4 (accessed 2026-11-09).

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