MERCAPTANS - Names and Identifiers
MERCAPTANS - Physico-chemical Properties
Physical and Chemical Properties | Physical and chemical properties Mercaptan generally has a bad smell and weak acidity, which can react with alkali to form salt. Thiols are easily oxidized to form disulfide, and disulfide can be reduced to mercaptan. The interconversion of thiol and disulfide is an important redox process in organisms. Thiols can interact with acid halides or anhydrides to form thiocarboxylic acid esters. Thiols, aldehydes and ketones can form thioacetals and thioketals in the presence of acidic catalysts, which can catalyze hydrogenation and reduce the original carbonyl group to methylene. |
MERCAPTANS - Risk and Safety
UN IDs | UN 3071 6.1/ PGII |
Hazard Class | 6.1 |
Packing Group | II |
MERCAPTANS - Introduction
Open Data Unverified Data
MERCAPTANS (also known as thioalcohols) are a class of organic compounds containing a sulfur atom. They have the following characteristics:
Nature:
1. MERCAPTANS have a strong pungent odor, similar to rotten eggs or similar to the stench produced by garbage dumps.
2. Most MERCAPTANS are colorless or yellowish liquids, but some MERCAPTANS can also be solids or gases.
3. MERCAPTANS can be dissolved in water, but they are usually unstable in water.
4. MERCAPTANS can form hydrogen bonds and form dimers or multimers between molecules.
Use:
1. Some MERCAPTANS can be used as chemical reagents, catalysts for the synthesis of other organic compounds or reactions.
2. MERCAPTANS can also be used to prepare MERCAPTANS metal complexes, which are very useful in organic synthesis.
3. Some MERCAPTANS can also be used as antiseptics and disinfectants.
Method:
MERCAPTANS can be prepared by a variety of methods, one of which is commonly used by the reaction of sodium sulfide with halogenated hydrocarbons. In addition, MERCAPTANS can also be prepared by reducing compounds containing sulfur functional groups.
Safety Information:
1. MERCAPTANS have a strong irritating odor and may cause irritation to the skin, eyes and respiratory tract, so avoid contact with skin and eyes when using.
2. Many MERCAPTANS are flammable and should be avoided in contact with heat sources, open flames or oxidants.
3. Long-term exposure to high-concentration MERCAPTANS vapor may be harmful to the human body. Make sure to use MERCAPTANS in a well-ventilated place.
4. When storing and handling MERCAPTANS, strictly abide by the relevant safety operation procedures, use protective equipment, and ensure that the facilities are in a good ventilation state.
Please note that MERCAPTANS is a chemical substance that needs to be stored, handled and used under safe conditions to prevent harm to humans or the environment.
Last Update:2024-04-09 19:43:38