30766-22-4
Hydroxynicotinicacidmethylester
CAS: 30766-22-4
Molecular Formula: C7H7NO3
30766-22-4 - Names and Identifiers
30766-22-4 - Physico-chemical Properties
| Molecular Formula | C7H7NO3 |
| Molar Mass | 153.14 |
| Density | 1.287±0.06 g/cm3(Predicted) |
| Melting Point | 190 °C |
| Boling Point | 374.2±22.0 °C(Predicted) |
| Flash Point | 180.1°C |
| Solubility | DMSO (Heated, Sonicated), Methanol (Slightly, Sonicated) |
| Vapor Presure | 3.95E-06mmHg at 25°C |
| Appearance | Pale beige powder and caking |
| Color | Light beige |
| pKa | 8.44±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.551 |
| MDL | MFCD00191521 |
30766-22-4 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R41 - Risk of serious damage to eyes R37/38 - Irritating to respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S39 - Wear eye / face protection. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29333990 |
| Hazard Note | Irritant/Keep Cold |
30766-22-4 - Introduction
Nature:
is a white crystalline solid with a distinctive odor. It is soluble in water, alcohol and ether at room temperature, and insoluble in Ketone solvents.
Use:
It is often used as a pharmaceutical intermediate. It can be used to synthesize some compounds with pharmacological activity, especially some drugs with anti-tumor, anti-virus and anti-inflammatory activity. In addition, calcium can also be used as nutritional supplements and food additives.
Method:
A commonly used method of preparation is obtained by esterification of hydroxynicotinic acid. The specific preparation method is as follows:
First, hydroxynicotinic acid acetate reacts with methanol, and under acidic conditions, it is generated by dehydration reaction. Then, through crystallization and purification steps, the pure calcium is obtained.
Safety Information:
Regarding the safety information, there are no reports of particularly serious toxicity. However, as a chemical substance, it is still necessary to pay attention to safe operation and avoid contact with eyes, skin and inhaled substances. Before use, you can refer to the relevant safety technical instructions and follow the laboratory and industry safety practices. In case of accidental contact, rinse immediately with plenty of water and consult your doctor's advice.
Last Update：2024-04-09 21:54:55
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