1-tert-Butyl 4-methyl piperazine-1,4-dicarboxylate

Also known as: 1,4-Piperazinedicarboxylic acid, 1-(1,1-dimethylethyl) 4-methyl ester, 1,4-Piperazinedicarboxylic acid, 1,1-dimethylethyl methyl ester, 1-methyl-4-[(2-methylpropan-2-yl)oxycarbonyl]piperazin-1-ium-1-carboxylate, 1-tert-butyl 4-methyl-piperazine-1,4-dicarboxylate, 4-O-tert-butyl 1-O-methyl piperazine-1,4-dicarboxylate, Methyl 2-methyl-2-propanyl 1,4-piperazinedicarboxylate

1-tert-Butyl 4-methyl piperazine-1,4-dicarboxylate (CAS 219509-79-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H20N2O4 and a molecular weight of 244.288 g/mol. Key properties include a boiling point of 317.4±17.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 145.8±20.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 219509-79-2
Jingsj CID: J-1521605-4
Molecular Formula: C₁₁H₂₀N₂O₄
Molecular Weight: 244.288 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	317.4±17.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	145.8±20.9 °C
Exact Mass	244.142303
PSA	59.08000
LogP	0.45
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.487
Storage Conditions	2-8°C

Frequently Asked Questions

What is the CAS number of 1-tert-Butyl 4-methyl piperazine-1,4-dicarboxylate?

The CAS number of 1-tert-Butyl 4-methyl piperazine-1,4-dicarboxylate is 219509-79-2.

What are the molecular formula and molecular weight of 1-tert-Butyl 4-methyl piperazine-1,4-dicarboxylate?

1-tert-Butyl 4-methyl piperazine-1,4-dicarboxylate has molecular formula C11H20N2O4 and molecular weight 244.288 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. "1-tert-Butyl 4-methyl piperazine-1,4-dicarboxylate (CAS 219509-79-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1521605-4 (accessed 2026-11-09).

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