3-Methyl-2-Pyridinaldehyde
3-Methylpyridine-2-carbaldehyde
CAS: 55589-47-4
Molecular Formula: C7H7NO
3-Methyl-2-Pyridinaldehyde - Names and Identifiers
3-Methyl-2-Pyridinaldehyde - Physico-chemical Properties
| Molecular Formula | C7H7NO |
| Molar Mass | 121.14 |
| Density | 1.080 g/mL at 25 °C |
| Melting Point | 8°C(lit.) |
| Boling Point | 84°C/13mmHg(lit.) |
| Flash Point | 74°C |
| Water Solubility | Slightly soluble in water. |
| Vapor Presure | 0.231mmHg at 25°C |
| Appearance | Liquid |
| Color | Clear colorless to yellow |
| pKa | 4.22±0.10(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | n20/D 1.538 |
3-Methyl-2-Pyridinaldehyde - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| WGK Germany | 3 |
| HS Code | 29333990 |
| Hazard Class | IRRITANT |
3-Methyl-2-Pyridinaldehyde - Introduction
It is an organic compound with the chemical formula C8H7NO. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: colorless liquid
-Solubility: Soluble in general organic solvents, such as ethanol, ether and chloroform
-Melting point:-25 ℃
-Boiling point: 183 ℃
-Density: 1.05g/cm³
Use:
It is widely used in organic synthesis and is an important raw material for many pharmaceutical intermediates. It can be used to prepare various pyridine derivatives and fragrances, and can also be used as a reducing agent in organic synthesis. In addition, it can also act as a catalyst in certain chemical reactions.
Preparation Method:
A common method of preparation is by oxidation of picoline. The specific step is to treat picoline with oxygen to generate the corresponding formaldehyde. Reaction conditions can be achieved using oxygen, a metal catalyst, and a suitable solvent.
Safety Information:
Nature:
-Appearance: colorless liquid
-Solubility: Soluble in general organic solvents, such as ethanol, ether and chloroform
-Melting point:-25 ℃
-Boiling point: 183 ℃
-Density: 1.05g/cm³
Use:
It is widely used in organic synthesis and is an important raw material for many pharmaceutical intermediates. It can be used to prepare various pyridine derivatives and fragrances, and can also be used as a reducing agent in organic synthesis. In addition, it can also act as a catalyst in certain chemical reactions.
Preparation Method:
A common method of preparation is by oxidation of picoline. The specific step is to treat picoline with oxygen to generate the corresponding formaldehyde. Reaction conditions can be achieved using oxygen, a metal catalyst, and a suitable solvent.
Safety Information:
Last Update：2024-04-09 20:52:54
