5-formylthiophene-2-carboxylic acid
5-Formyl-2-thiophenecarboxylic Acid
CAS: 4565-31-5
Molecular Formula: C6H4O3S
5-formylthiophene-2-carboxylic acid - Names and Identifiers
5-formylthiophene-2-carboxylic acid - Physico-chemical Properties
| Molecular Formula | C6H4O3S |
| Molar Mass | 156.16 |
| Density | 1.514±0.06 g/cm3(Predicted) |
| Melting Point | 169 °C |
| Boling Point | 371.4±27.0 °C(Predicted) |
| Flash Point | 178.4°C |
| Vapor Presure | 3.58E-06mmHg at 25°C |
| Appearance | Solid |
| Color | Light yellow to Brown |
| pKa | 3.05±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| MDL | MFCD00191437 |
5-formylthiophene-2-carboxylic acid - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R36 - Irritating to the eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| HS Code | 29349990 |
| Hazard Note | Irritant |
5-formylthiophene-2-carboxylic acid - Introduction
Acid is an organic compound with the chemical formula C6H4O2S. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
1. Appearance: colorless or light yellow solid.
2. Melting point: about 99-101 degrees Celsius.
3. Solubility: Soluble in many organic solvents, such as alcohols, ethers and esters, slightly soluble in water.
Use:
Acid has a variety of uses in organic synthesis, such:
1. as an intermediate or starting material, can be used for the synthesis of thiophene or other related compounds.
2. for organic optoelectronic devices, photovoltaic cells and other fields of research and development.
3. In the field of drug research, it can be used to synthesize biologically active molecules.
Preparation Method:
The Acid is generally synthesized by the following steps:
1. First, 2-thiophenecarboxylic acid is reacted with an appropriate aldehyde, and condensation reaction is carried out under mild conditions.
2. Next, the resulting intermediate product is purified and crystallized to obtain pure Acid.
Safety Information:
1. In the operation, should wear appropriate personal protective equipment, such as gloves and goggles.
2. avoid inhalation or contact with skin and eyes, such as contact, rinse with plenty of water.
3. When storing, avoid contact with oxidants or strong acids to prevent dangerous reactions.
4. During storage and use, please follow the safe handling procedures for chemicals and properly manage waste. If necessary, please consult a professional.
Nature:
1. Appearance: colorless or light yellow solid.
2. Melting point: about 99-101 degrees Celsius.
3. Solubility: Soluble in many organic solvents, such as alcohols, ethers and esters, slightly soluble in water.
Use:
Acid has a variety of uses in organic synthesis, such:
1. as an intermediate or starting material, can be used for the synthesis of thiophene or other related compounds.
2. for organic optoelectronic devices, photovoltaic cells and other fields of research and development.
3. In the field of drug research, it can be used to synthesize biologically active molecules.
Preparation Method:
The Acid is generally synthesized by the following steps:
1. First, 2-thiophenecarboxylic acid is reacted with an appropriate aldehyde, and condensation reaction is carried out under mild conditions.
2. Next, the resulting intermediate product is purified and crystallized to obtain pure Acid.
Safety Information:
1. In the operation, should wear appropriate personal protective equipment, such as gloves and goggles.
2. avoid inhalation or contact with skin and eyes, such as contact, rinse with plenty of water.
3. When storing, avoid contact with oxidants or strong acids to prevent dangerous reactions.
4. During storage and use, please follow the safe handling procedures for chemicals and properly manage waste. If necessary, please consult a professional.
Last Update：2024-04-09 21:01:54
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View History
5-formylthiophene-2-carboxylic acid
正丙基溶纤剂
三氟乙酰胺
Fmoc-trans-3-Methyl-L-proline
2-乙基丁酰氯
Cyclopropa[4,5]cyclopenta[1,2-b]pyridine (9CI)
4-N-叔丁氧羰基-哌嗪-2-羧酸
多索茶碱杂质36
2,6-Methano-3-benzazocin-8-ol, 1,2,3,4,5,6-hexahydro-3-methyl-, hydrochloride (1:1)
3-(4-甲基苯亚甲基)樟脑
正丙基溶纤剂
三氟乙酰胺
Fmoc-trans-3-Methyl-L-proline
2-乙基丁酰氯
Cyclopropa[4,5]cyclopenta[1,2-b]pyridine (9CI)
4-N-叔丁氧羰基-哌嗪-2-羧酸
多索茶碱杂质36
2,6-Methano-3-benzazocin-8-ol, 1,2,3,4,5,6-hexahydro-3-methyl-, hydrochloride (1:1)
3-(4-甲基苯亚甲基)樟脑