Industrial production
On an industrial scale, triethylene glycol and tetraethylene glycol are produced as by-products in the synthesis of ethylene glycol and diethylene glycol. Rectifying columns are used to separate the resulting glycol mixture.
CAS 112-60-7
| Appearance | Liquid substance |
| Color | Colorless |
| Purity | not less than 98.0% |
| Pentaethylene glycol | not more than 1.0% |
| Water Content | not more than 0.15% |
| Boiling point | 329°С |
| Freezing Temperature | -4°С |
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