| Item | Unit | Test Method | Specification |
|---|---|---|---|
| Colour | APHA | ASTM D 1209 | 25 Maximum |
| Ester Content | wt% | ASTM D 1045 | 99.6 Minimum |
| Water | wt% | ASTM E 203 | 0.05 Maximum |
| Acidity, as Phthalic Acid | wt% | ASTM D 1045 | 0.01 Maximum |
| Refractive Index @ 20° C | -- | ASTM D 1218 | 1.484 - 1.488 |
| Specific Gravity @ 20° C | -- | ASTM D 4052 | 0.971 - 0.977 |
| Density @ 20° C | g/cm³ | ASTM D 4052 | 0.969 - 0.975 |