4-[4-(2-methoxyphenyl)piperazin-1-yl]butan-1-amine

4-[4-(2-甲氧基苯基)-1-哌嗪基]丁胺

Also known as: 1-(4-Aminobutyl)-4-(2-methoxyphenyl)piperazine, 1-Piperazinebutanamine, 4-(2-methoxyphenyl)-, 4-[4-(2-Methoxyphenyl)-1-piperazinyl]butylamine, 4-(4-(2-Methoxyphenyl)piperazin-1-yl)butan-1-amine, N-(4-aminobutyl)-N'-(2-methoxyphenyl)piperazine

4-[4-(2-methoxyphenyl)piperazin-1-yl]butan-1-amine (CAS 21103-33-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C15H25N3O and a molecular weight of 263.37800 g/mol. It is also known as 1-(4-Aminobutyl)-4-(2-methoxyphenyl)piperazine, 1-Piperazinebutanamine, 4-(2-methoxyphenyl)- and 4-[4-(2-Methoxyphenyl)-1-piperazinyl]butylamine. Key properties include a boiling point of 405.501ºC at 760 mmHg, a density of 1.049g/cm3 and a flash point of 199.04ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21103-33-3
Jingsj CID
J-1127971-8
Molecular Formula
C15H25N3O
Chinese Name
4-[4-(2-甲氧基苯基)-1-哌嗪基]丁胺
Molecular Weight
263.37800 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point405.501ºC at 760 mmHg
Density1.049g/cm3
Flash Point199.04ºC

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-[4-(2-methoxyphenyl)piperazin-1-yl]butan-1-amine?

The CAS number of 4-[4-(2-methoxyphenyl)piperazin-1-yl]butan-1-amine is 21103-33-3.

What are the molecular formula and molecular weight of 4-[4-(2-methoxyphenyl)piperazin-1-yl]butan-1-amine?

4-[4-(2-methoxyphenyl)piperazin-1-yl]butan-1-amine has molecular formula C15H25N3O and molecular weight 263.37800 g/mol.

Is 4-[4-(2-methoxyphenyl)piperazin-1-yl]butan-1-amine hazardous?

4-[4-(2-methoxyphenyl)piperazin-1-yl]butan-1-amine has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "4-[4-(2-methoxyphenyl)piperazin-1-yl]butan-1-amine (CAS 21103-33-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1127971-8 (accessed 2026-10-22).

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