5-(methylthio)thiophene-2-carboxaldehyde
5-(methylsulfanyl)thiophene-2-carbaldehyde
CAS: 24445-35-0
Molecular Formula: C6H6OS2
5-(methylthio)thiophene-2-carboxaldehyde - Names and Identifiers
5-(methylthio)thiophene-2-carboxaldehyde - Physico-chemical Properties
| Molecular Formula | C6H6OS2 |
| Molar Mass | 158.24 |
| Density | 1.28±0.1 g/cm3(Predicted) |
| Melting Point | 104 °C |
| Boling Point | 86°C 0,3mm |
| Flash Point | 122.3°C |
| Vapor Presure | 0.00424mmHg at 25°C |
| Appearance | powder to lump |
| Color | White to Orange to Green |
| Storage Condition | 2-8 ℃, dark |
| Refractive Index | 1.6624 (589.3 nm 20℃ |
5-(methylthio)thiophene-2-carboxaldehyde - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact R41 - Risk of serious damage to eyes R37/38 - Irritating to respiratory system and skin. R22 - Harmful if swallowed |
| 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. S39 - Wear eye / face protection. S36/37 - Wear suitable protective clothing and gloves. S60 - This material and its container must be disposed of as hazardous waste. S37 - Wear suitable gloves. S23 - Do not breathe vapour. |
| HS Code | 29349990 |
| Hazard Note | Irritant |
5-(methylthio)thiophene-2-carboxaldehyde - Introduction
5-(methylsulfanyl)thiophene-2-carbaldehyde, chemical formula for C6H6OS2, belonging to organic sulfur compounds. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
1. Appearance: White to light yellow crystalline solid.
2. Molecular weight: 166.25g/mol.
3. Melting Point: about 60-64 ° C.
4. Thermal stability: may decompose at high temperature.
5. Solubility: Soluble in solvents such as ethanol, dimethylformamide, dichloromethane, etc., insoluble in water.
Use:
1. Commonly used as raw material compounds in organic synthesis.
2. As a precursor of fluorescent probe and photosensitive dye.
Method:
5-(methylsulfanyl)thiophene-2-carbaldehyde can be obtained by the following synthetic route:
Thiophene undergoes an alkylation reaction of sulfur methanol to generate 5-thiomethylthiophene, and then it is condensed with formaldehyde under the acidic condition of acetic acid to generate the target product.
Safety Information:
1. The compound may have a stimulating effect on the skin and eyes, and protection should be paid attention to when exposed.
2. During use or handling, attention should be paid to providing adequate ventilation.
3. Laboratory safety procedures must be followed and appropriate protective equipment, such as gloves, goggles and laboratory coats, must be worn.
4. The compound should be stored in a sealed container, away from fire and oxidizing agents to avoid decomposition or leakage.
5. Follow local environmental regulations when disposing of waste.
Nature:
1. Appearance: White to light yellow crystalline solid.
2. Molecular weight: 166.25g/mol.
3. Melting Point: about 60-64 ° C.
4. Thermal stability: may decompose at high temperature.
5. Solubility: Soluble in solvents such as ethanol, dimethylformamide, dichloromethane, etc., insoluble in water.
Use:
1. Commonly used as raw material compounds in organic synthesis.
2. As a precursor of fluorescent probe and photosensitive dye.
Method:
5-(methylsulfanyl)thiophene-2-carbaldehyde can be obtained by the following synthetic route:
Thiophene undergoes an alkylation reaction of sulfur methanol to generate 5-thiomethylthiophene, and then it is condensed with formaldehyde under the acidic condition of acetic acid to generate the target product.
Safety Information:
1. The compound may have a stimulating effect on the skin and eyes, and protection should be paid attention to when exposed.
2. During use or handling, attention should be paid to providing adequate ventilation.
3. Laboratory safety procedures must be followed and appropriate protective equipment, such as gloves, goggles and laboratory coats, must be worn.
4. The compound should be stored in a sealed container, away from fire and oxidizing agents to avoid decomposition or leakage.
5. Follow local environmental regulations when disposing of waste.
Last Update：2024-04-10 22:29:15
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