2-propanol CAS NO 67-63-0 (IPA), also known as isopropyl alcohol, isopropanol, is an organic compound with the chemical formula of C3H8O. It is an isomer of n-propanol. It is a colorless transparent liquid with the smell of a mixture of ethanol. It is soluble in water, alcohol, benzene, chloroform and other organic solvents. 2-Propanol is an important chemical product and raw material, which is mainly used in pharmaceuticals, cosmetics, plastics, spices, coatings, etc.
What are the properties of 2-propanol CAS NO 67-63-0?
| Molecular Formula | C₃H₈O / (CH₃)₂CHOH |
| Molecular Weight | 60.10 g/mol |
| Appearance | Clear, colorless liquid |
| Odor | Characteristic sharp, alcoholic (some describe as acetone-like) |
| Boiling Point | 82.6 °C (180.7 °F) at 760 mmHg |
| Melting/Freezing Point | -89 °C (-128 °F) |
| Flash Point | 12 °C (53.6 °F) (closed cup) – Highly Flammable |
| Autoignition Temperature | 399 °C (750 °F) |
| Density | 0.785 g/cm³ at 20°C (lighter than water) |
| Vapor Density | 2.07 (air = 1.0) – vapors are heavier than air and can travel along ground |
| Vapor Pressure | 33 mmHg at 20°C (indicates high volatility) |
| Refractive Index | 1.3776 at 20°C |
| Viscosity | 2.04 mPa·s at 25°C |
| Surface Tension | 21.7 mN/m at 20°C |
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