4-Ethylthiophenylboronic acid

4-Ethylthiophenylboronic acid - Names and Identifiers

Name	4-(Ethylthio)benzeneboronic acid
Synonyms	RARECHEM AH PB 0100 4-Ethylthiophenylboronic acid 4-ETHYLTHIOPHENYLBORONIC ACID 4-ethylthiophentylboronic acid P-(ETHYLTHIO)PHENYLBORONIC ACID 4-(Ethylthio)phenylboronic acid 4-(ETHYLTHIO)BENZENEBORONIC ACID 4-(Ethylthio)benzeneboronic acid (3-ethyl-2-thiophenyl)boronic acid [4-(ethylsulfanyl)phenyl]boronic acid Boronic acid, B-[4-(ethylthio)phenyl]-
CAS	145349-76-4
EINECS	000-000-0
InChI	InChI=1/C8H11BO2S/c1-2-12-8-5-3-7(4-6-8)9(10)11/h3-6,10-11H,2H2,1H3

4-Ethylthiophenylboronic acid - Physico-chemical Properties

Molecular Formula	C8H11BO2S
Molar Mass	182.05
Density	1.18±0.1 g/cm3(Predicted)
Melting Point	104-106°C
Boling Point	343.5±44.0 °C(Predicted)
Flash Point	161.6°C
Vapor Presure	2.68E-05mmHg at 25°C
Appearance	Solid
BRN	8763159
pKa	8.43±0.16(Predicted)
Storage Condition	Room Temprature
Refractive Index	1.571
MDL	MFCD01318146

4-Ethylthiophenylboronic acid - Risk and Safety

Risk Codes	R36/37/38 - Irritating to eyes, respiratory system and skin. R37 - Irritating to the respiratory system R11 - Highly Flammable
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S33 - Take precautionary measures against static discharges. S29 - Do not empty into drains. S16 - Keep away from sources of ignition. S7/9 -
Hazard Note	Irritant

4-Ethylthiophenylboronic acid - Introduction

4-(Ethylthio)benzeneboronic acid is an organic boron compound with the chemical formula C8H11BS, which has the following properties:

1. Appearance: 4-(Ethylthio)benzeneboronic acid is a white crystalline solid.
2. Solubility: It is soluble in alcohol, ether and dimethyl sulfoxide and other organic solvents, insoluble in water.
3. Reactivity: 4-(Ethylthio)benzeneboronic acid can be oxidized to the corresponding acid by oxidant.
4. Stability: Stable at room temperature, but may decompose after heating.

The main uses of 4-(Ethylthio)benzeneboronic acid include but are not limited to the following:

1. Chemical synthesis: It is often used as a boron reagent in organic synthesis to catalyze or participate in the synthesis of organic compounds, such as Suzuki coupling reactions, condensation reactions, etc.
2. Synthesis of nanomaterials: 4-(Ethylthio)benzeneboronic acid can be used as a precursor of borate ester, which plays an important role in the preparation of nanomaterials.
3. Coordination chemistry: It can be used to cooperate with metal ions to form stable metal complexes, which are widely used in catalysis, photoelectric materials and other fields.

A common method for preparing 4-(Ethylthio)benzeneboronic acid is through the reaction of Phenylboronic acid and ethanethiol. Benzeneboronic acid was first dissolved in chloroform, excess ethanethiol was added, and after stirring for a period of time, a white precipitate was obtained, which was washed and dried to obtain the product.

Regarding safety information, 4-(Ethylthio)benzeneboronic acid is a chemical, and the following matters should be paid attention to when using it:

1. Use to wear protective gloves and goggles, avoid skin contact and inhalation.
2. Avoid contact with strong oxidants and strong alkali substances to avoid possible reactions.
3. Storage should be placed in a sealed container to avoid moisture and heat.
4. Use should pay attention to indoor ventilation, and away from fire.

Use and store in accordance with proper laboratory procedures and safety guidelines.

Last Update：2024-04-10 22:43:14