| Item | Standard Value | Result |
| Purity, wt% ≥ | 99.80 | 99.94 |
| Moisture, ≤ | 0.05 | 0.007 |
| Color, Hazen ≤ | 20 | 5 |
| Density, | 1.125-1.130 | 1.127 |
| Refractive Index | 1.436-1.437 | 1.4364 |
| 1,4 butanediol ≤ | 0.05 | 0.002 |
| Tetrahydrofuran ≤ | 0.05 | 0.001 |
| Acidity, wt% ≤ | 0.05 | 0.011 |
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