2-Methylisonicotinic acid
2-Methylisonicotinic acid
CAS: 4021-11-8
Molecular Formula: C7H7NO2
2-Methylisonicotinic acid - Names and Identifiers
| Name | 2-Methylisonicotinic acid |
| Synonyms | 2-METHYLISONICOTINIC ACID 2-Methylisonicotinic acid METHYLISONICOTINIC ACID(2-) 2-METHYLPYRIDINE-4-CARBOXYLIC ACID 2-Methylpyridine-4-carboxylic acid 2-METHYLISONICOTINIC ACID 2-METHYLISONICOTINIC ACID 2-Methylpyridine-4-carboxylic acid, 4-Carboxy-2-methylpyridine |
| CAS | 4021-11-8 |
| EINECS | 628-206-1 |
| InChI | InChI=1/C7H7NO2/c1-5-4-6(7(9)10)2-3-8-5/h2-4H,1H3,(H,9,10) |
2-Methylisonicotinic acid - Physico-chemical Properties
| Molecular Formula | C7H7NO2 |
| Molar Mass | 137.14 |
| Density | 1.230±0.06 g/cm3(Predicted) |
| Melting Point | 295-299°C (D) |
| Boling Point | 368.2±22.0 °C(Predicted) |
| Flash Point | 176.5°C |
| Vapor Presure | 4.52E-06mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Almost white |
| pKa | 2.02±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.561 |
| MDL | MFCD00513435 |
2-Methylisonicotinic acid - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. |
| WGK Germany | 3 |
| HS Code | 29333990 |
2-Methylisonicotinic acid - Introduction
2-Methylisonicotinic acid is an organic compound with the chemical formula C7H7NO2. It is a pyridine derivative with methyl and carboxyl functional groups.
2-Methylisonicotinic acid has the form of a white crystalline solid, soluble in organic solvents such as alcohols, ethers, ketones and chlorinated hydrocarbons, and slightly soluble in water. Its melting point is about 160-164 degrees Celsius.
2-Methylinisonicotinic acid has a wide range of applications in the field of drugs and pesticides. It can be used to synthesize drugs containing pyridine structures, such as antibacterial drugs and anticancer drugs. In addition, it can also be used as dyes, chemical reagents and organic synthesis intermediates.
The preparation method of 2-Methylinisonicotinic acid is usually obtained by hydrolysis reaction of methyl isonicotinic acid ester. First, methyl isonicotinate is reacted with a dilute alkaline solution to form the sodium salt, which is then acidified to give 2-Methylisonicotinic acid.
Regarding safety information, 2-Methylinisonicotinic acid is generally safe under normal conditions of use. However, it may have an irritating effect on the eyes, skin and respiratory tract. Appropriate personal protective equipment, such as glasses, gloves and masks, should be worn during operation. During handling and storage, the relevant safety procedures shall be observed. In case of accidental exposure or ingestion, medical help should be sought immediately.
2-Methylisonicotinic acid has the form of a white crystalline solid, soluble in organic solvents such as alcohols, ethers, ketones and chlorinated hydrocarbons, and slightly soluble in water. Its melting point is about 160-164 degrees Celsius.
2-Methylinisonicotinic acid has a wide range of applications in the field of drugs and pesticides. It can be used to synthesize drugs containing pyridine structures, such as antibacterial drugs and anticancer drugs. In addition, it can also be used as dyes, chemical reagents and organic synthesis intermediates.
The preparation method of 2-Methylinisonicotinic acid is usually obtained by hydrolysis reaction of methyl isonicotinic acid ester. First, methyl isonicotinate is reacted with a dilute alkaline solution to form the sodium salt, which is then acidified to give 2-Methylisonicotinic acid.
Regarding safety information, 2-Methylinisonicotinic acid is generally safe under normal conditions of use. However, it may have an irritating effect on the eyes, skin and respiratory tract. Appropriate personal protective equipment, such as glasses, gloves and masks, should be worn during operation. During handling and storage, the relevant safety procedures shall be observed. In case of accidental exposure or ingestion, medical help should be sought immediately.
Last Update：2024-04-09 21:01:54
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