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1,3-Diaminopropane

Also known as: 1,3-Propanediamine, Trimethylenediamine, Propane-1,3-diamine, 3-Aminopropylamine, 1,3-Propylenediamine, DAP

1,3-Diaminopropane (CAS 109-76-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C3H10N2 and a molecular weight of 74.125 g/mol. Key properties include a melting point of -12 °C, a boiling point of 135.5±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 48.9±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H310. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
109-76-2
Jingsj CID
J-29528-6
Molecular Formula
C3H10N2
Molecular Weight
74.125 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-12 °C
Boiling Point135.5±8.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point48.9±0.0 °C
Exact Mass74.084396
PSA52.04000
LogP-1.42
Vapor Pressure7.7±0.2 mmHg at 25°C
Refractive Index1.451
Additional PropertySOLUBLE

GHS Safety & Compliance

Flammable / Corrosion / Acute ToxicitySignal word: Danger
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H310
  • H314 — Causes severe skin burns and eye damage

Activity & Biological Data

TargetHuman Endogenous Metabolite
Additional Information[1]. Salim EI, et al. Inhibitory effects of 1,3-diaminopropane, an ornithine decarboxylase inhibitor, on rat two-stageurinary bladder carcinogenesis initiated by N-butyl-N-(4-hydroxybutyl)nitrosamine. Carcinogenesis. 2000 Feb;21(2):195-203.

Customs & Trade Information

HS Code2921290000
Summary2921290000 other acyclic polyamines and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,3-Diaminopropane?

The CAS number of 1,3-Diaminopropane is 109-76-2.

What are the molecular formula and molecular weight of 1,3-Diaminopropane?

1,3-Diaminopropane has molecular formula C3H10N2 and molecular weight 74.125 g/mol.

Is 1,3-Diaminopropane hazardous?

1,3-Diaminopropane has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H310.

What are the upstream and downstream products of 1,3-Diaminopropane?

For 1,3-Diaminopropane, Upstream Products: 3-Amino-1-propanol, 1,3-Propanediol, β-Aminopropionitrile; Downstream Products: N-Benzyl-1,3-propanediamine, N-(3-Aminopropyl)acetamide, Bis(3-aminopropyl)amine.

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

Last updated:

How to cite: Jingsj. "1,3-Diaminopropane (CAS 109-76-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29528-6 (accessed 2026-11-06).

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