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Diethylene Glycol
Diethylene glycol is obtained in the process of ethylene oxide hydration as a by-product in the synthesis of monoethylene glycol (MEG).
Application
Diethylene glycol is mainly used for manufacturing polyurethanes and unsaturated polyester resins. Additionally, diethylene glycol is used for manufacturing antifreeze fluids.
Specifications
| Parameter | Unit | Value | Testing method |
| Diethylene glycol content, min. | % (m/m) | 99.7 | ASTM E 2409 |
| Ethylene glycol content, max. | % (m/m) | 0.20 | ASTM E 2409 |
| Water content, max. | % (m/m) | 0.20 | PN-ISO 760 |
| Color, max. | Hazen scale | 20 | ASTM D 1209 |
| Acidity as acetic acid, max. | % (m/m) | 0.005 | ASTM D 1613 |
| Iron content, max. | μg/g | 0.2 | ASTM E 1615 |
| Ash content, max. | % (m/m) | 0.005 | ASTM D 482 |
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Karolina Mazurowska
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