| Characteristic | Test Method | Unit | Value |
| PURITY | ASTM E – 202 | WT. % | 99.8 MIN. |
| DIETHYLENE GLYCOL | ASTM E – 202 | WT. % | 0.08 MAX. |
| WATER CONTENT | ASTM E – 203 | WT. % | 0.08 MAX. |
| ACIDITY AS ACETIC ACID | ASTM D – 1613 | WT. PPM | 10 MAX. |
| ASH | DC – 254A | gr/100ml | MAX. 0.005 |
| CHLORIDES | EO – 635 | WT. PPM | 0.1 MAX. |
| IRON | ASTM E – 202 | WT. PPM | 0.1 MAX. |
| ALDEHYDE AS ACETALDEHYDE | DC – 163C | WT. PPM | 10 MAX. |
| COLOR Pt-Co | ASTM D – 1209 | Pt – Co | 5 MAX. |
| SP. GR (20/20 °C) | ASTM D – 891 | – | 1.1151 – 1.1156 |
| DISTILLATION @ 760 MM-Hg | |||
| IBP | ASTM D–1078 | °C | 196 MIN. |
| DP | ASTM D–1078 | °C | 199 MAX. |
| 5-95 VOL % RANGE | ASTM D–1078 | °C | 1 MAX. |
| UV TRANSMITTANCE | |||
| AT 220 nm | EO –577A | T % | 70 MIN. |
| AT 275 nm | EO –577A | T % | 95 MIN. |
| AT 350 nm | EO –577A | T % | 99 MIN. |

