3-methylthiophen-2-yl-2-boronic acid - Names and Identifiers
3-methylthiophen-2-yl-2-boronic acid - Physico-chemical Properties
Molecular Formula | C5H7BO2S
|
Molar Mass | 141.98 |
Density | 1.25±0.1 g/cm3(Predicted) |
Melting Point | 192-196℃ |
Boling Point | 302.1±44.0 °C(Predicted) |
Flash Point | 136.5°C |
Vapor Presure | 0.000448mmHg at 25°C |
pKa | 8.49±0.58(Predicted) |
Storage Condition | Keep Cold |
Refractive Index | 1.55 |
Physical and Chemical Properties | Storage Conditions: Keep Cold |
3-methylthiophen-2-yl-2-boronic acid - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Risk Codes | 36/37/38 - 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.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
|
HS Code | 29349990 |
Hazard Note | Irritant/Keep Cold |
Hazard Class | IRRITANT |
3-methylthiophen-2-yl-2-boronic acid - Introduction
acid is a compound whose chemical formula is C8H9BOS, usually abbreviated as MTPBA. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: acid is a pale yellow crystalline powder.
-Melting point: About 120-125 ° C.
-Solubility: acid can be dissolved in alcohol, ketone and chlorinated solvents, but it is poorly soluble in water.
Use:
-Reagent: acid is a commonly used oxidant, which can be used in various organic reactions, such as Pasteur reaction, Oxidative Desulfurization, etc.
-Complex synthesis: acid can form complexes with metal cations. These complexes have important applications in the preparation of optical materials and luminescent materials.
Method:
There are many preparation methods for acid, and common methods include:
-Thiophene reacts with boron triethanolamine under the oxidation of oxygen.
-By the reaction of thiophene and trimethylborane under the oxidation of oxygen.
Safety Information:
-the acid is an organic compound, should take appropriate protective measures, such as wearing gloves and safety glasses.
-Avoid inhalation or contact with skin. In use to maintain good ventilation conditions.
-Should be stored in a dry, cool place, away from fire and oxidizing agents.
-In case of accidental inhalation or contact, seek medical attention immediately. Please refer to the relevant safety data for detailed processing methods.
Last Update:2024-04-10 22:29:15