Chemical
Products
Butyraldehyde
Cas Number
123-72-8
Other Names
-
The formula
CH3(CH2)2CHO
Introduction
Physical and Chemical Properties
Butyraldehyde, also known as butanal, is an organic compound with the formula CH3(CH2)2CHO. This compound is the aldehyde derivative of butane. It is a colourless flammable liquid with an acrid smell. It is miscible with most organic solvents.
| Physical state and appearance | Liquid. |
|---|---|
| Odor | Aldehyde like. (Strong.) |
| Molecular Weight | 72.11 g/mole |
| Color | Colorless |
| Boiling Point | 74.8°C (166.6°F) |
| Critical Temperature | 251°C (483.8°F) |
| Flash point | -7° C |
| Melting Point | -96.4 (-141.5°F) |
| Vapor Pressure | 12.3 kPa (@ 20°C) |
| Vapor Density | 2.5 (Air = 1) |
| Volatility | 99% (v/v). |
| Dispersion Properties | See solubility in water, methanol, diethyl ether, n-octanol, acetone. |
| Solubility | Soluble in methanol, diethyl ether, n-octanol, acetone. Insoluble in cold water. |
| Acidity as butyric acid, % (m/m) | 0.3 |
| Water, % (m/m) | 0.006 |
| n-Butyraldehyde, % (m/m) | 99 |
| Isobutraldehyde, % (m/m) | 0.3 |
| Specific gravity @20/20 °c | 0.807 |
Applications
1. Rubber accelerators, synthetic resins, perfumes, pesticides, crop-protection chemicals, pharmaceuticals
2. Butyraldehyde is an intermediate for the chemical industry
3. It is used for the manufacture of pharmaceuticals, crop protection products, pesticides, synthetic resins, antioxidants, vulcanization accelerators, tanning auxiliaries and perfumes