5-Formyl-2-thiophenecarboxylic Acid

5-Formyl-2-thiophenecarboxylic Acid - Names and Identifiers

Name	5-Formyl-2-thiophenecarboxylic Acid
Synonyms	AKOS MSC-0225 AURORA KA-6755 5-FORMYLTHENOIC ACID 5-formylthiophene-2-carboxylate 5-Formyl-2-thiophenecarboxylic Acid 5-FORMYL-THIOPHEN-2-CARBOXYLIC ACID 5-formylthiophene-2-carboxylic acid 5-FORMYL-2-THIOPHENECARBOXYLIC ACID 5-FORMYL-THIOPHENE-2-CARBOXYLIC ACID 3-(1-methyl-1H-benzimidazol-2-yl)-2-oxo-2H-chromen-7-yl propanoate 5-Carboxythiophene-2-carboxaldehyde, 2-Carboxy-5-formylthiophene, 5-Formyl-2-thenoic acid
CAS	4565-31-5
InChI	InChI=1/C6H4O3S/c7-3-4-1-2-5(10-4)6(8)9/h1-3H,(H,8,9)/p-1

5-Formyl-2-thiophenecarboxylic 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-Formyl-2-thiophenecarboxylic 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-Formyl-2-thiophenecarboxylic 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.

Last Update：2024-04-09 21:01:54