CAS 110-77-0 corresponds to ethyl 2-hydroxyethyl sulfide (also known as ethylthioethanol or hydroxyethyl sulfide), with the molecular formula C ₄ H ₁₀ OS. It is a colorless to pale yellow liquid used as an intermediate in pesticides and fine chemicals.

Basic Information
-Chinese name: Ethyl 2-hydroxyethyl sulfide
-English name: Ethyl 2-hydroxyethyl sulfide
-Common aliases: Ethylthioethanol, Hydroxyethylthioether, 2- (Ethylthio) ethanol
-Molecular formula: C ₄ H ₁₀ OS
-Molecular weight: 106.19
-EINECS number: 203-802-0
-Structural features: Organic compounds with sulfur-containing ether bonds and hydroxyl groups

Main physicochemical properties
-Appearance: Colorless or pale yellow transparent liquid with a slight special odor
-Boiling point: 180-184.5 ° C (atmospheric pressure)
-Melting point: approximately -100 ° C
-Density: Approximately 1.01-1.02 g/cm ³ (20 ° C)
-Flash point: approximately 89-93 ° C
-Refractive index: 1.4859-1.4879
-Solubility: Easily soluble in water (about 26%) and most organic solvents; It is easily oxidized to sulfone in the air and easily hydrolyzed when exposed to alkali.

Main purpose
-As a key intermediate in the synthesis of pesticides such as internally absorbed phosphorus and methyl internally absorbed phosphorus
-Used as synthetic precursors for the preparation of lubricants and other fine chemicals
-As a building block for sulfur-containing functional groups in organic synthesis.

Safety and Storage Tips
-Hazard: Belonging to hazardous chemicals (partially classified as Class 8 corrosive substances or flammable liquids), it is irritating to the skin and eyes
-Prohibited substances: Strong oxidants, acids (to avoid the formation of toxic substances during the reaction)
-Storage conditions: Sealed and stored in a cool, dry, ventilated place, away from sources of fire and oxidants.

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Ethyl 2-hydroxyethyl sulfide CAS 110-77-0
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