Isobutyl Mercaptan（CAS#513-44-0）
| Risk Codes | R11 – Highly Flammable R36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S16 – Keep away from sources of ignition. 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 2347 3/PG 2 |
| WGK Germany | 3 |
| RTECS | TZ7630000 |
| FLUKA BRAND F CODES | 13 |
| HS Code | 29309090 |
| Hazard Class | 3.1 |
| Packing Group | II |
Introduction
Isobutyl mercaptan is an organosulfur compound. The following is an introduction to the properties, uses, preparation methods and safety information of isobutyl mercaptan:
1. Nature:
Isobutylmercaptan is a colorless liquid with a pungent odor. It has a higher density and a lower saturated vapor pressure. It is soluble in water and many organic solvents such as alcohols, ethers, and ketone solvents.
2. Usage:
Isobutyl mercaptan is widely used in organic synthesis and industry. It can be used as a vulcanizing agent, suspension stabilizer, antioxidant, and solvent. Isobutyl mercaptan can also be used in the preparation of a variety of compounds in organic synthesis, such as esters, sulfonated esters, and ethers.
3. Method:
There are two main methods for the preparation of isobutyl mercaptan. One is prepared by the reaction of isobutylene with hydrogen sulfide, and the reaction conditions are generally carried out under high pressure. The other is generated by the reaction of isobutyraldehyde with hydrogen sulfide, and then the product is reduced or deoxidized to obtain isobutylmercaptan.
4. Safety Information:
Isobutylmercaptan is irritating and corrosive, and contact with the skin and eyes may cause irritation and burns. When using isobutyl mercaptan, appropriate protective equipment such as protective eyewear, gloves, and protective clothing should be worn. When handling isobutyl mercaptan, it should be kept away from ignition sources and oxidants to avoid causing fire and explosion. If isobutyl mercaptan is inhaled or ingested, you should seek medical attention immediately and provide your doctor with detailed information about the chemical.
