3-Aminopropylphosphonic acid

3-氨基丙基膦酸

Also known as: (3-Aminopropyl)phosphonic acid, 3-Aminopropanephosphonic acid, NSC 133832, TIMTEC-BB SBB004184, aminopropylphosphonate

3-Aminopropylphosphonic acid (CAS 13138-33-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H10NO3P and a molecular weight of 139.090 g/mol. It is also known as (3-Aminopropyl)phosphonic acid, 3-Aminopropanephosphonic acid and NSC 133832. Key properties include a melting point of 290-294ºC, a boiling point of 343.0±44.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 161.2±28.4 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13138-33-5
Jingsj CID
J-21535-6
Molecular Formula
C3H10NO3P
Chinese Name
3-氨基丙基膦酸
Molecular Weight
139.090 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point290-294ºC
Boiling Point343.0±44.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point161.2±28.4 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-Aminopropylphosphonic acid?

The CAS number of 3-Aminopropylphosphonic acid is 13138-33-5.

What are the molecular formula and molecular weight of 3-Aminopropylphosphonic acid?

3-Aminopropylphosphonic acid has molecular formula C3H10NO3P and molecular weight 139.090 g/mol.

Is 3-Aminopropylphosphonic acid hazardous?

3-Aminopropylphosphonic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "3-Aminopropylphosphonic acid (CAS 13138-33-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21535-6 (accessed 2026-10-24).

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