2,4-Butanesultone is a key intermediate in the synthesis of lithium-ion battery electrolyte additives and various fine chemicals.
- Basic information
- English name:2,4-Butanesultone
- CAS number: 1121-03-5
- Molecular formula: C4H8O3S
- Molecular weight:136.17
- Related categories: Intermediates; Electronic materials
- Transport Information: Not dangerous goods
- Application
- Electronics and New Energy Sector
Used as an anode film-forming additive in lithium-ion batteries, it is preferentially reduced to form a dense solid electrolyte interphase (SEI) film, thereby significantly enhancing the battery’s cycle life and safety.
- Fine Chemicals Synthesis
Used as an organic sulphating agent, it is widely applied in the synthesis and preparation of pharmaceutical intermediates, surfactants, photosensitive materials and electroplating intermediates.
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