1073-21-8
3-Amino-2,4-dimethylpyridine
CAS: 1073-21-8
Molecular Formula: C7H10N2
1073-21-8 - Names and Identifiers
| Name | 3-Amino-2,4-dimethylpyridine |
| Synonyms | 2,4-dimethylpyridin-3-amine 2,4-diMethyl-3-PyridinaMine 3-Amino-2,4-dimethylpyridine 3-AMINO-2,4-DIMETHYLPYRIDINE 3-pyridinamine, 2,4-dimethyl- PyriMido[1,2-b]pyridazin-2-one 1-(5-chloro-2-nitrophenyl)-3-phenyl-2-propyn-1-ol 2,4-Dimethylpyridin-3-amine, 3-Amino-2,4-lutidine |
| CAS | 1073-21-8 |
| InChI | InChI=1/C7H10N2/c1-5-3-4-9-6(2)7(5)8/h3-4H,8H2,1-2H3 |
1073-21-8 - Physico-chemical Properties
| Molecular Formula | C7H10N2 |
| Molar Mass | 122.17 |
| Density | 1.039±0.06 g/cm3(Predicted) |
| Melting Point | 53 °C |
| Boling Point | 246-256 °C |
| Flash Point | 132.153°C |
| Vapor Presure | 0.016mmHg at 25°C |
| Appearance | Crystalline Powder |
| Color | Pale brown |
| pKa | 7.54±0.18(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.564 |
1073-21-8 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
1073-21-8 - Introduction
2,4-Dimethyl-3-aminopyridine (2,4-Dimethyl-3-aminopyridine) is an organic compound with the chemical formula C7H10N2. The following is a description of its nature, use, preparation and safety information:
1. nature:
-Appearance: 2,4-Dimethyl-3-aminopyridine is generally a white crystalline solid.
-Solubility: It is insoluble in water, but can be dissolved in organic solvents such as alcohols, ethers and ketones.
-Melting point: Its melting point is 79-83°C.
-Odor: 2,4-dimethyl-3-aminopyridine has an ammonia odor.
2. use:
-Catalyst: 2,4-dimethyl-3-aminopyridine is commonly used as a catalyst in organic synthesis, which can catalyze the reaction of esters, alcohols, ketones and aldehydes.
-Chemical intermediate: It can also be used as a chemical intermediate in organic synthesis reactions.
3. Preparation method:
2,4-Dimethyl-3-aminopyridine is usually prepared by the following steps:
-First, p-toluene and acetoacetic anhydride react to generate 2,4-dimethyl-3-methylpyridine.
-Then, 2,4-dimethyl-3-methylpyridine is reacted with ammonia to obtain 2,4-dimethyl-3-aminopyridine.
4. Safety Information:
-2,4-dimethyl-3-aminopyridine is an organic compound that should be used to prevent inhalation, skin contact and ingestion.
-Avoid contact with oxidants to avoid fire or explosion.
-transport and storage should be away from fire and heat sources, keep sealed, stored in a cool, ventilated and dry place.
-Wear protective goggles, gloves and suitable protective clothing during use. In case of accidental contact, rinse immediately with plenty of water and seek medical help.
1. nature:
-Appearance: 2,4-Dimethyl-3-aminopyridine is generally a white crystalline solid.
-Solubility: It is insoluble in water, but can be dissolved in organic solvents such as alcohols, ethers and ketones.
-Melting point: Its melting point is 79-83°C.
-Odor: 2,4-dimethyl-3-aminopyridine has an ammonia odor.
2. use:
-Catalyst: 2,4-dimethyl-3-aminopyridine is commonly used as a catalyst in organic synthesis, which can catalyze the reaction of esters, alcohols, ketones and aldehydes.
-Chemical intermediate: It can also be used as a chemical intermediate in organic synthesis reactions.
3. Preparation method:
2,4-Dimethyl-3-aminopyridine is usually prepared by the following steps:
-First, p-toluene and acetoacetic anhydride react to generate 2,4-dimethyl-3-methylpyridine.
-Then, 2,4-dimethyl-3-methylpyridine is reacted with ammonia to obtain 2,4-dimethyl-3-aminopyridine.
4. Safety Information:
-2,4-dimethyl-3-aminopyridine is an organic compound that should be used to prevent inhalation, skin contact and ingestion.
-Avoid contact with oxidants to avoid fire or explosion.
-transport and storage should be away from fire and heat sources, keep sealed, stored in a cool, ventilated and dry place.
-Wear protective goggles, gloves and suitable protective clothing during use. In case of accidental contact, rinse immediately with plenty of water and seek medical help.
Last Update：2024-04-10 22:29:15
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