5-(4-FLUOROPHENYL)THIOPHENE-2-CARBOXYLI&

5-(4-FLUOROPHENYL)THIOPHENE-2-CARBOXYLI& - Names and Identifiers

Name	5-(4-FLUOROPHENYL)THIOPHENE-2-CARBOXYLI&
Synonyms	2-Thiophenecarboxylic acid, 5-(4-fluorophenyl)- 2-Carboxy-5-(4-fluorophenyl)thiophene, 1-(5-Carboxythien-2-yl)-4-fluorobenzene, 5-(4-Fluorophenyl)-2-thenoic acid
CAS	115933-30-7
InChI	InChI=1/C11H7FO2S/c12-8-3-1-7(2-4-8)9-5-6-10(15-9)11(13)14/h1-6H,(H,13,14)

5-(4-FLUOROPHENYL)THIOPHENE-2-CARBOXYLI& - Physico-chemical Properties

Molecular Formula	C11H7FO2S
Molar Mass	222.24
Density	1.380±0.06 g/cm3(Predicted)
Melting Point	250-254 °C (lit.)
Boling Point	389.6±32.0 °C(Predicted)
Flash Point	189.4°C
Vapor Presure	9.09E-07mmHg at 25°C
Appearance	powder to crystal
Color	White to Orange to Green
pKa	3.46±0.10(Predicted)
Storage Condition	Sealed in dry,Store in freezer, under -20°C
Refractive Index	1.614
Physical and Chemical Properties	WGK Germany:3

5-(4-FLUOROPHENYL)THIOPHENE-2-CARBOXYLI& - Risk and Safety

Hazard Symbols	Xn - Harmful
Risk Codes	R22 - Harmful if swallowed R36/37/38 - 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 - Wear suitable protective clothing. S24/25 - Avoid contact with skin and eyes. S22 - Do not breathe dust.
WGK Germany	3
Hazard Class	IRRITANT

5-(4-FLUOROPHENYL)THIOPHENE-2-CARBOXYLI& - Introduction

5-(4-Fluorophenyl) thiophene-2-carboxylic acid is an organic compound, also known as 4-fluorophenylthiophene-2-carboxylic acid. Its molecular formula is C10H6FNO2S and its molecular weight is 217.22g/mol.

5-(4-Fluorophenyl) thiophene-2-carboxylic acid is a compound having thiophene and carboxylic acid functional groups. Its properties are as follows:

1. Appearance: White crystalline solid.
2. melting point: about 167-170 ℃.
3. Solubility: Soluble in organic solvents such as dicarboxylic acid, ketones and alcohol solvents, slightly soluble in water.

5-(4-Fluorophenyl) thiophene-2-carboxylic acid has certain application value in organic synthesis:

1. Photoelectric materials: as the main active component of optoelectronic devices such as organic light-emitting diodes (OLEDs) and organic solar cells (OPV).
2. Semiconductor materials: can be used to prepare organic thin film transistors (OFETs) and other organic semiconductor materials.
3. chemical sensors: can be used to build chemical sensors to detect certain chemicals in the environment.

The method of preparing 5-(4-fluorophenyl) thiophene-2-carboxylic acid can be achieved by a synthetic route, the specific steps are as follows:

1. 4-fluoronitrobenzene is reacted with thiophene to obtain 4-fluorophenylthiophene.
2. Under alkaline conditions, the use of bromoalkane reaction generates 4-fluorophenylthiophene-2-alkyl bromide.
3.4-fluorophenyl thiophene-2-alkyl bromide is reacted with sodium carbonate to generate 5-(4-fluorophenyl) thiophene-2-carboxylic acid.

Regarding safety information, 5-(4-fluorophenyl) thiophene-2-carboxylic acid is generally relatively safe during normal use and handling. However, as a chemical substance, it is still necessary to comply with the following safety measures:

1. avoid inhalation of dust or solution of steam, need to maintain good ventilation conditions.
2. After contact with skin or eyes, rinse immediately with plenty of water for at least 15 minutes.
3. Wear appropriate protective gloves and eye protection if necessary.
4. in the process of handling and storage, follow the relevant safety procedures, and pay attention to personal protective measures at any time.

In laboratory and industrial applications, 5-(4-fluorophenyl) thiophene-2-carboxylic acid should be handled and handled in strict accordance with chemical safety procedures and MSDS (Material Safety Data Sheet).

Last Update：2024-04-10 22:29:15