1,2-Propanediamine CAS Number: 78-90-0
Pharmaceutical Materials 2025-03-02
CAS Number: 78-90-0
Molecular Formula: C3H10N2
Molecular Weight: 74.12
Appearance: Colorless liquid with an ammonia-like odor
Melting Point: -37°C
Boiling Point: 119-120°C Density: 0.87 g/mL
Solubility: Soluble in water.
1,2-Propanediamine, also known as 1,2-Diaminopropane, is a chemical compound with the CAS number 78-90-0. It is primarily used in organic synthesis, pharmaceutical manufacturing, and dye synthesis. Additionally, it serves as a fiber-dissolving agent and a rubber vulcanization accelerator. This compound is characterized by its strong alkalinity and hygroscopicity, producing white smoke when in contact with air.
| Property | Value |
|---|---|
| Physical Properties | |
| CAS Number | 78-90-0 |
| Molecular Formula | C3H10N2 |
| Molecular Weight | 74.12 |
| Appearance | Colorless liquid with an ammonia-like odor |
| Melting Point (°C) | -37 |
| Boiling Point (°C) | 119-120 |
| Density (g/cm³) | 0.87 |
| Flash Point (°C) | 33 |
| Chemical Properties | |
| Alkalinity | Strong |
| Hygroscopicity | High |
| Solubility | Soluble in water, ethanol, and chloroform |
| Reactivity | Reactive with acids, acyl chlorides, anhydrides, and strong oxidants |
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