Sodium 2-chloroethanesulfonate monohydrate is a chemical compound with the molecular formula C2H4ClNaO3S·H2O. It is a salt form of 2-chloroethanesulfonic acid, where the hydrogen ion of the acid is replaced by a sodium ion. The monohydrate form indicates that one molecule of water is associated with each molecule of the salt.

Here are some key points about Sodium 2-chloroethanesulfonate monohydrate:

1. Chemical Structure: Sodium 2-chloroethanesulfonate monohydrate has a sodium ion (Na+) bonded to the oxygen atom of the sulfonic acid group (SO3-), and the chlorine atom (Cl) is attached to the carbon atom adjacent to the sulfonic acid group. The compound also contains one molecule of water (H2O) associated with each molecule of the salt.

2. Synthesis: Sodium 2-chloroethanesulfonate monohydrate can be synthesized by the reaction of 2-chloroethanesulfonyl chloride with sodium hydroxide, followed by crystallization with water molecules.

3. Applications: Sodium 2-chloroethanesulfonate monohydrate is commonly used as a reagent or intermediate in organic synthesis. It is often utilized in chemical reactions for introducing the chloroethanesulfonyl group into various organic compounds, such as pharmaceuticals, dyes, and agrochemicals.

4. Solubility and Stability: Sodium 2-chloroethanesulfonate monohydrate is highly soluble in water. It is relatively stable under normal storage conditions, but it should be protected from moisture and kept in a dry environment to prevent decomposition.

5. Safety Considerations: As with any chemical compound, it is important to handle Sodium 2-chloroethanesulfonate monohydrate with proper care. It is recommended to follow appropriate safety precautions, such as wearing gloves, protective eyewear, and lab coat, and to handle it in a well-ventilated area.