Bis(3-aminopropyl)amine

3,3'-二氨基二丙基胺

Also known as: 3,3'-Diaminodipropylamine, Dipropylenetriamine, 3,3'-Iminodipropylamine, N-(3-Aminopropyl)-1,3-propanediamine, Norspermidine, IBPA, Iminodipropylamine, Imino-bis(3-propylamine), bis-(3-amino-propyl)amine, N'-(3-aminopropyl)propane-1,3-diamine, 3,3'-Iminobis(propylamine), Bis(3-aminopropyl)amine

Bis(3-aminopropyl)amine (CAS 56-18-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H17N3 and a molecular weight of 131.219 g/mol. It is also known as 3,3'-Diaminodipropylamine, Dipropylenetriamine and 3,3'-Iminodipropylamine. Key properties include a melting point of −14 °C(lit.), a boiling point of 242.1±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 118.3±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
56-18-8
Jingsj CID
J-1068321-1
Molecular Formula
C6H17N3
Chinese Name
3,3'-二氨基二丙基胺
Molecular Weight
131.219 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−14 °C(lit.)
Boiling Point242.1±0.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point118.3±0.0 °C

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Bis(3-aminopropyl)amine?

The CAS number of Bis(3-aminopropyl)amine is 56-18-8.

What are the molecular formula and molecular weight of Bis(3-aminopropyl)amine?

Bis(3-aminopropyl)amine has molecular formula C6H17N3 and molecular weight 131.219 g/mol.

Is Bis(3-aminopropyl)amine hazardous?

Bis(3-aminopropyl)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. "Bis(3-aminopropyl)amine (CAS 56-18-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1068321-1 (accessed 2026-10-22).

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