3-Methyl-2-butanethiol（CAS#40789-98-8）
| Hazard Symbols | Xi – Irritant |
| Risk Codes | R10 – Flammable R36/37/38 – 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 | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| RTECS | EL9050000 |
| TSCA | Yes |
| HS Code | 29309090 |
| Hazard Class | 3 |
| Packing Group | III |
Introduction
3-mercapto-2-butanone, also known as 2-butanone-3-mercaptoketone or MTK, is an organic compound. The following is an introduction to its properties, uses, manufacturing methods and safety information:
Quality:
- Appearance: Colorless liquid or white crystal
- Solubility: Soluble in ethanol, ether and chloroform, slightly soluble in water
Use:
- Chemical reagents: often used as sulfhydrylation reagents in organic synthesis for the synthesis of sulfhydryl compounds.
- Commercial use: 3-mercapto-2-butanone, as a sulfhydryl reagent, is often used in the preparation of rubber additives, rubber accelerators, glyphosate (a herbicide), surfactants, etc.
Method:
A common method for the preparation of 3-mercapto-2-butanone is the reaction of hexane one with hydrogen sulfide. The specific step is to react hexanone with hydrogen sulfide through a silica gel column to obtain 3-mercapto-2-butanone.
Safety Information:
- 3-mercapto-2-butanone is a flammable liquid and should be avoided from open flames or high temperatures.
- Wear appropriate protective measures such as protective glasses, gloves and appropriate explosion-proof clothing during use.
- Understand and follow the relevant operating procedures and safety operation guidelines before use.
- Avoid contact with substances such as oxidants, strong acids, strong bases, and strong oxidants to prevent dangerous reactions.
- In case of accidental contact, rinse immediately with plenty of water and seek medical attention promptly.
It is important to use and handle this compound safely and in accordance with protocols and guidelines.
