Tetraethylene glycol dimethyl ether CAS 143-24-8

Product Name: Tetraethylene Glycol Dimethyl Ether
English Alias: Tetraglyme; TEGDME
CAS Number: 143-24-8
Molecular Formula: C₁₀H₂₂O₅
Molecular Weight: 222.28 g/mol
Appearance: Colorless clear liquid
Package: 25 kg/drum, 200 kg/drum (HDPE plastic drum)

What is Tetraethylene Glycol Dimethyl Ether？

Tetraethylene Glycol Dimethyl Ether (Tetraglyme) is a glycol ether solvent appearing as a colorless clear liquid with a mild, characteristic odor. It is miscible with water and most organic solvents. The compound exhibits high boiling point, low volatility, and excellent chemical stability, making it suitable for high-temperature applications and specialty chemical processes.

COA (Certificate of Analysis):

NO	Items	Specifications	Results
1	Appearance	Colourless clean liquid	Colourless clean liquid
2	Purity (wt%)	≥ 99.0	99.46
3	Water content  (wt%)	≤ 0.1	0.022
4	Peroxide (H2O2) %	≤ 0.005	0.0007
5	Acidity (HAC) %	≤ 0.015	0.0009

Application:

1. Battery Electrolyte: Solvent for lithium-ion and lithium-sulfur batteries

2. Gas Treatment: Absorbent for acid gas removal in natural gas processing

3. Chemical Synthesis: Reaction solvent for high-temperature reactions

4. Polymer Industry: Plasticizer and solvent for polymer processing

5. Electronics: Cleaning solvent for electronic components

6. Pharmaceuticals: Process solvent in drug manufacturing

Safety Profile:

Tetraethylene Glycol Dimethyl Ether may cause eye irritation. Avoid prolonged skin contact. Use appropriate personal protective equipment including gloves and safety glasses when handling. The substance has low acute toxicity but may cause target organ effects with repeated exposure. For detailed safety information, consult the full Safety Data Sheet (SDS).

Storage Requirements:

Store in a cool, dry, well-ventilated area away from direct sunlight. Keep containers tightly closed and sealed. Maintain storage temperature between 15-30°C. Keep away from strong oxidizing agents.

Transport & Packaging:

Tetraethylene Glycol Dimethyl Ether is packaged in HDPE plastic drums (25 kg or 200 kg net weight per drum). Transport as non-hazardous material under normal conditions. Ensure containers are properly sealed and protected from physical damage during transportation. Store away from incompatible materials.