Glycol sulfite CAS No.3741-38-6

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CAS No.3741-38-6

Category	Information
Basic Information
Chemical Name	Glycol sulfite
Other Names	Ethylene sulfite; Sulfurous acid ethylene ester; 1.3.2-Dioxathiolane 2-oxide
CAS Number	3741-38-6
EINECS Number	223-131-7
Molecular Formula	C2H4O3S
Molecular Weight	108.12 g/mol
Structural Characteristics
Functional Groups	Sulfite ester and ether groups
Chemical Structure	Features a cyclic sulfite ester with an ethylene backbone
Physical Properties
Appearance	Transparent colorless liquid
Density	1.426 g/mL at 25 °C
Melting Point	Around -11 to -17 °C (varies slightly in different sources)
Boiling Point	159.1 °C
Refractive Index	1.445 at 20 °C
Flash Point	79 °C (175 °F)
Chemical Properties
Reactivity	Stable under normal temperatures and pressures; can undergo hydrolysis and other typical sulfite ester reactions
Uses
Applications	Used as a reducing agent in the chemical industry, particularly for the reduction of dyes and pigments
Other Uses	Serves as a solvent and additive in lithium-ion battery electrolytes
Safety Information
Hazards	May be irritant to skin and eyes; keep away from heat, sparks, and flames
Storage Conditions	Store in a cool, dry place, away from incompatible substances and sources of ignition
Handling Precautions	Wear appropriate personal protective equipment when handling

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