3-Methylthio butylaldehyde（CAS#16630-52-7）
| 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 – Wear suitable protective clothing. |
| UN IDs | 1989 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29309090 |
Introduction
3-methylthiobutanal is an organic compound. The following is an introduction to its nature, use, preparation method and safety information:
Quality:
- Appearance: 3-Methylthiobutyraldehyde is a colorless to yellowish liquid.
- Odor: Has a strong thiophenol odor.
- Solubility: It has low solubility in water and is more soluble in organic solvents.
Use:
- Chemical synthesis: 3-methylthiobutyraldehyde is often used as a starting material for organic synthesis and can be used to synthesize a variety of target molecules.
Method:
There are many ways to prepare 3-methylthiobutyraldehyde, and the following is a common preparation method:
3-methylthiopropyl chloride is condensed with formaldehyde to form 3-methylthiobutyraldehyde. This reaction is usually carried out under alkaline conditions.
Safety Information:
3-Methylthiobutyraldehyde is chemically stable, but it has a pungent odor and is irritating to the eyes and skin. The following safety measures should be taken during use and operation:
- Avoid direct contact: Wear appropriate personal protective equipment such as protective eyewear, gloves, and gowns.
- Pay attention to ventilation: Maintain good ventilation conditions during operation to ensure indoor air circulation.
- Avoid inhalation: Avoid inhaling its vapors or sprays, and use respiratory protective equipment such as masks or respirators when operating.
- Storage and disposal: 3-Methylthiobutyral should be stored in an airtight container, away from heat and ignition. Waste should be properly disposed of in accordance with local regulations.
