3-Acetylaminothiophene-2-carboxylic acid - Names and Identifiers
Name | 3-(acetylamino)thiophene-2-carboxylic acid
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Synonyms | 3-acetamido-2-thiophenecarboxylic acid 1H-thieno[3,2-d][1,3]oxazine-2,4-dione 3-acetamidothiophene-2-carboxylic acid 3-Acetylaminothiophene-2-carboxylic acid 3-(ACETYLAMINO)THIOPHENE-2-CARBOXYLIC ACID 3-(ACETYLAMINO)-2-THIOPHENECARBOXYLIC ACID 3-(acetylamino)thiophene-2-carboxylic acid 2-Thiophenecarboxylic acid, 3-(acetylamino)-
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CAS | 50901-18-3
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InChI | InChI=1/C7H7NO3S/c1-4(9)8-5-2-3-12-6(5)7(10)11/h2-3H,1H3,(H,8,9)(H,10,11) |
3-Acetylaminothiophene-2-carboxylic acid - Physico-chemical Properties
Molecular Formula | C7H7NO3S
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Molar Mass | 185.2 |
Density | 1.487g/cm3 |
Melting Point | 200 °C |
Boling Point | 447.5°C at 760 mmHg |
Flash Point | 224.4°C |
Vapor Presure | 8.59E-09mmHg at 25°C |
Storage Condition | 2-8°C |
Refractive Index | 1.657 |
3-Acetylaminothiophene-2-carboxylic acid - Risk and Safety
Hazard Symbols | Xi - Irritant
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Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39 - Wear suitable gloves and eye/face protection
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HS Code | 29349990 |
Hazard Note | Irritant |
3-Acetylaminothiophene-2-carboxylic acid - Introduction
3-(acetylamino)thiophene-2-carboxylic acid is an organic compound with the chemical formula C8H7NO3S. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 3-(acetylamino)thiophene-2-carboxylic acid is a colorless to light yellow solid.
-Solubility: Soluble in common organic solvents such as ethanol, dimethylformamide and dichloromethane, insoluble in water.
-Melting point: about 150-153°C.
-Stability: stable, no obvious decomposition at room temperature.
Use:
3-(acetylamino)thiophene-2-carboxylic acid is commonly used in the fields of organic synthesis and pharmaceutical research. As a raw material for organic synthesis, it can be used to synthesize compounds containing thiophene structure. In drug research, the compound can be used as a drug precursor or intermediate, with certain biological activity.
Preparation Method:
3-(acetylamino)thiophene-2-carboxylic acid can be synthesized by the following steps:
1.2-thiophene carboxylic acid is reacted with acid chloride to generate 2-thiophene carboxylic acid.
2. reacting 2-thiophene carboxylic acid with acetic anhydride to obtain 3-(acetylamino)thiophene-2-carboxylic acid.
Safety Information:
There is no special report on the safety of 3-(acetylamino)thiophene-2-carboxylic acid. However, as a general guideline for handling chemical substances, please note the following:
-Wear appropriate protective equipment, such as lab gloves and goggles, when performing experiments.
-Avoid inhaling its dust or generating its vapor, and operate in a well-ventilated place.
-If exposed or inhaled, immediately rinse your skin or eyes with water and seek medical help.
-When storing, keep it in a sealed container, away from combustibles and oxidants.
Overall, 3-(acetylamino)thiophene-2-carboxylic acid poses a lower security risk when used and stored correctly. However, it is necessary to follow laboratory safety procedures in any chemical experiment.
Last Update:2024-04-09 21:32:41