Glycol sulfite(ES) CAS 3741-38-6
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Product Description
Product Details
Introduction
Glycol sulfite (CAS 3741-38-6) is a colourless, transparent liquid with a density of 1.426 g/cm³ (25°C) and a flash point of 79°C (closed cup). vapour pressure of 1.94 mmHg (at 25°C) and a refractive index of 1.445 (at 20°C). This substance is stable under normal temperature and pressure and is primarily used as an electrolyte additive in lithium-ion batteries. It prevents propylene carbonate (PC) from embedding in graphite electrodes and improves battery cycle performance. It is also used as a raw material for organic synthesis, a pharmaceutical intermediate, and a solvent. Store in a sealed container away from light in a well-ventilated, dry place. In the event of a spill, clean up using an absorbent material.
Product Specifications
| Item | Value |
| Abbreviation | ES |
| Appearance | Colorless liquid |
| Chloroethanol | ≤0.01% |
| Purity | ≥99.9% |
| Melting point | -11°C |
| Boiling point | 159.1°C (lit.) |
| Density | 1.426 g/mL at 25 °C (lit.) |
| refractive index | n²⁰/D 1.445 (lit.) |
| Flash point | 175 °F |
| storage temp. | Sealed in a dry, room-temperature |
Safety
| Signal word | Warning |
| Hazard statements | H302+H312+H332-H341-H227 |
| Safety Statements | 24/25 |
| Storage Class | 10 - Combustible liquids |
Application
As an organic solvent for lithium-ion battery electrolytes and also as an additive for lithium-ion battery electrolytes, lithium-ion battery electrolytes will show excellent storage stability after adding DTO, which can improve the low-temperature performance of the electrolyte and prevent PC molecules from being embedded in graphite electrodes. It can also be used for organic synthesis and pharmaceutical intermediates.
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Glycol sulfite(ES)
CAS 3741-38-6
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