ethylene glycol(EG)
casNo.：107-21-1 Form ：liquid Package：IBCEthylene glycol, because of its high boiling point and good thermal stability, is often used as an antifreeze in automotive and industrial cooling systems, and can dissolve a variety of organic and inorganic substances for the production of polyester fibers, polyester plastics and PET.
| TEST/Item | Specification | Test Result | Test Method | ||
| Polyester grade | Industrial grade | ||||
| Appearance | colorless | colorless | GB/T 4649 | ||
| Ethylene glycol/% ≥ | 99.9 | 99 | 99.9 | GB/T 14571.2 | |
| Diethylene glycol/% | 0.05 | 0.6 | none | GB/T 14571.2 | |
| Chroma (platinum - cobalt)/ number preheating After heating with hydrochloric acid | 5 | 10 | <5 | GB/T 4649 | |
| 20 | 一 | <2L | |||
| Density (20℃)(g/cm³) | 1.1128～1.1138 | 1.1125~1.1140 | 1.1133 | GB/T 4649 | |
| Boiling range (0℃,0.10133MPa) Initial distillation point /℃ ≥ Dry point /℃ S | 196 | 195 | 197.5 | GB/T7534 | |
| 199 | 200 | 198.9 | |||
| water/% | 0.08 | 0.20 | 0.02 | GB/T6283 | |
| Acidity (acetic acid)/(mg/Kg) | 10 | 30 | 6 | GB/T 14571.1 | |
| Iron/(mg/Kg) | 0.1 | 5 | 0.03 | GB/T3049 | |
| Ash/(mg/Kg) | 10 | 20 | 6 | GB/T 4649 | |
| Aldehyde content (in formaldehyde)/(mg/Kg) | 8 | 一 | 34 | GB/T14571.3 | |
| Chloride ion/(mg/Kg) | 0.5 | 一 | | GB/T14571.5 |
| |
| Ultraviolet transmittance | 220nm ≥ | 75 | 一 | 86.45 | GB/T14571.4 |
| 250nm | report | 9437 | |||
| 275nm ≥ | 92 | 95.73 | |||
| 350nm ≥ | 99 | 100 | |||