BENZO[B]THIOPHENE-3-CARBOXALDEHYDE - Names and Identifiers
BENZO[B]THIOPHENE-3-CARBOXALDEHYDE - Physico-chemical Properties
Molecular Formula | C9H6OS
|
Molar Mass | 162.21 |
Density | 1.2123 (rough estimate) |
Melting Point | 53-57 °C (lit.) |
Boling Point | 166 °C/20 mmHg (lit.) |
Flash Point | >230°F |
Vapor Presure | 0.000944mmHg at 25°C |
Appearance | Yellow powder |
Maximum wavelength(λmax) | 302nm(EtOH)(lit.) |
Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
Refractive Index | 1.5500 (estimate) |
MDL | MFCD00052376 |
BENZO[B]THIOPHENE-3-CARBOXALDEHYDE - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Safety Description | S24/25 - Avoid contact with skin and eyes.
|
WGK Germany | 3 |
HS Code | 29349990 |
Hazard Note | Irritant |
BENZO[B]THIOPHENE-3-CARBOXALDEHYDE - Introduction
thianaphthene-3-carboxaldehyde(thianaphthene-3-carboxaldehyde) is an organic compound whose molecular formula is C12H8OS, and its structure contains benzothiophene and formyl groups.
The nature of the thianaphthene-3-carboxaldehyde is as follows:
-Appearance: Colorless to light yellow solid
-Solubility: Soluble in organic solvents such as chloroform, dimethylformamide and dichloromethane
-Melting point: about 125-130 degrees Celsius
-Stability: relatively stable at room temperature
Application of thianaphthene-3-carboxaldehyde:
-As an intermediate in organic synthesis, it can be used to synthesize biologically active compounds, such as drugs, dyes and photosensitive compounds.
-Used in the construction of organic light-emitting diodes (OLED) and other devices to improve their performance.
Preparation of thianaphthene-3-carboxaldehyde:
It is usually prepared by reacting benzothiophene with a formylation reagent. For example, benzothiophene is dissolved in methylene chloride, an appropriate amount of methyl anhydride and a base catalyst are added, the reaction is stirred at room temperature for several hours, and the target product is obtained through the steps of separation, washing, concentration and crystallization.
thianaphthene-3-carboxaldehyde safety information:
-Keep away from fire and hot items.
-May be irritating to eyes, skin and respiratory system. Please pay attention to safe operation and avoid direct contact.
-when in use should wear chemical protective glasses and gloves, to ensure good ventilation conditions.
-Please keep it properly and avoid contact with flammable substances and oxidants.
-In the event of an accident, seek medical attention immediately and bring the Material Safety Data Sheet to a medical institution.
Last Update:2024-04-09 15:17:58