1,3-Propanediamine CAS Number: 109-76-2
Pharmaceutical Materials 2025-03-02
CAS Number: 109-76-2
Molecular Formula: C3H10N2
Molecular Weight: 74.12
Appearance: Colorless liquid
Melting Point: -12°C
Boiling Point: 140°C Density: 0.888 g/mL at 25°C
Solubility: Soluble in water, methanol, and ether.
1,3-Propanediamine, also known as 1,3-Diaminopropane or Trimethylenediamine, is an organic compound with the CAS number 109-76-2. It is a water-white liquid with an ammonia-like odor and finds wide applications in the synthesis of medicines, pesticides, and as an auxiliary raw material in the paper, textile, and leather industries. The compound is polar and can form hydrogen bonds, making it reactive towards alkylation and acylation. However, it is toxic and corrosive, requiring proper handling and storage conditions to prevent environmental contamination and health hazards.
| Property Category | Details |
|---|---|
| Physical Properties | |
| Appearance | Water-white liquid with an ammonia-like odor |
| Melting Point | -12 °C |
| Boiling Point | 139.7-140 °C |
| Density | 0.888 g/mL at 25 °C |
| Flash Point | 48.9 °C |
| Solubility | Soluble in water, methanol, and ether |
| Chemical Properties | |
| Molecular Formula | C3H10N2 |
| Molecular Weight | 74.12 g/mol |
| CAS Number | 109-76-2 |
| Chemical Reactivity | Polar, forms hydrogen bonds, reactive towards alkylation and acylation |
| pH Value | >12 (100 g/l, H2O, 20 °C) |
| Hazard Classification | Toxic and corrosive |
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