1-methyl-4-nitrosopiperazine

Also known as: N-Methyl-N'-nitrosopiperazine, N-Nitroso-N'-methylpiperazine, 1-Nitroso-4-methylpiperazine, N-Methylnitrosopiperazine, N-Nitrosomethylpiperazine, NSC 523886, Piperazine, 1-methyl-4-nitroso-, Olanzapine impurity 32, Levofloxacin impurity 40

1-methyl-4-nitrosopiperazine (CAS 16339-07-4) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H11N3O and a molecular weight of 129.16000 g/mol. Key properties include a boiling point of 236.9ºC at 760mmHg, a density of 1.2g/cm3 and a flash point of 97.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 16339-07-4
Jingsj CID: J-1104583-3
Molecular Formula: C₅H₁₁N₃O
Molecular Weight: 129.16000 g/mol
Category: Nitrogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	236.9ºC at 760mmHg
Density	1.2g/cm3
Flash Point	97.1ºC
Exact Mass	129.09000
PSA	35.91000
Vapor Pressure	0.0463mmHg at 25°C
Refractive Index	1.561

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-methyl-4-nitrosopiperazine?

The CAS number of 1-methyl-4-nitrosopiperazine is 16339-07-4.

What are the molecular formula and molecular weight of 1-methyl-4-nitrosopiperazine?

1-methyl-4-nitrosopiperazine has molecular formula C5H11N3O and molecular weight 129.16000 g/mol.

What are the upstream and downstream products of 1-methyl-4-nitrosopiperazine?

For 1-methyl-4-nitrosopiperazine, Upstream Products: 1-Methylpiperazine, Propyl nitrite, Butyl nitrite; Downstream Products: 1-Methylpiperazine, 1-Amino-4-methylpiperazine, 1,4-Dinitrosopiperazine.

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-methyl-4-nitrosopiperazine (CAS 16339-07-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1104583-3 (accessed 2026-11-09).

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