3-Mercapto-2-butanol(CAS#54812-86-1)
| 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. |
| UN IDs | UN 3336 3/PG 3 |
| WGK Germany | 3 |
| Hazard Class | 3.2 |
| Packing Group | III |
Introduction
3-Mercapto-2-butanol is an organic compound. The following is an introduction to its properties, applications, preparation, and safety information:Properties:3-Mercapto-2-butanol is a colorless liquid with a pungent odor. It is soluble in water and many organic solvents, such as alcohols and ethers.Applications:3-Mercapto-2-butanol has a wide range of uses. It is commonly used as a reducing agent in organic synthesis and as a stabilizer for silver salts. It can participate in reactions such as esterification, carboxylation, and alkylation.Preparation:3-Mercapto-2-butanol can be prepared from the reaction of hexanal with sodium hydrosulfide (NaSH). Specifically, hexanal is reacted with NaSH under basic conditions with heating, and the target product is obtained by purification through distillation.Safety Information:3-Mercapto-2-butanol is an irritant that can cause skin and eye irritation or burns upon contact. When using it, avoid contact with skin and eyes, and wear appropriate personal protective equipment (such as gloves and goggles). Operations should be conducted in a well-ventilated area to avoid inhalation of its vapors. In case of accidental contact or inhalation, seek medical attention promptly.







