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1-Benzyl-3-methylpiperazine

Also known as: 3-Methyl-1-benzyl-piperazine, 3-Methyl-1-(phenylmethyl)piperazine, 1-Benzyl-3-methylpiperazine, N-1-Benzyl-3-methyl-piperazine, alpha-(3-Methylpiperazin-1-yl)toluene, [(3-Methylpiperazin-1-yl)methyl]benzene, Piperazine, 1-benzyl-3-methyl-, 1-Benzyl-3-methyl-piperazine

1-Benzyl-3-methylpiperazine (CAS 3138-90-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H18N2 and a molecular weight of 190.28500 g/mol. Key properties include a boiling point of 281.5ºC at 760mmHg, a density of 0.991g/cm3 and a flash point of 112.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3138-90-7
Jingsj CID
J-7704-3
Molecular Formula
C12H18N2
Molecular Weight
190.28500 g/mol
Category
Organic Compounds
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point281.5ºC at 760mmHg
Density0.991g/cm3
Flash Point112.3ºC
Exact Mass190.14700
PSA15.27000
LogP1.74700
Refractive Index1.529

Customs & Trade Information

HS Code2933599090
Summary2933599090. 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-Benzyl-3-methylpiperazine?

The CAS number of 1-Benzyl-3-methylpiperazine is 3138-90-7.

What are the molecular formula and molecular weight of 1-Benzyl-3-methylpiperazine?

1-Benzyl-3-methylpiperazine has molecular formula C12H18N2 and molecular weight 190.28500 g/mol.

What are the upstream and downstream products of 1-Benzyl-3-methylpiperazine?

For 1-Benzyl-3-methylpiperazine, Upstream Products: 2-Methylpiperazine, Benzyl chloride, Benzoyl chloride; Downstream Products: 2-Methylpiperazine, tert-butyl 4-benzyl-2-methylpiperazine-1-carboxylate.

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

Last updated:

How to cite: Jingsj. "1-Benzyl-3-methylpiperazine (CAS 3138-90-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7704-3 (accessed 2026-11-09).

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