I. Physical and Chemical Properties
2-ethyl-2,3-dihydrothieno[3,4-b][1,4]dioxine, also known as Ethyl-EDOT, has a molecular formula of C₈H₁₀O₂S and CAS No. 1226799-20-7. It is a colorless to light yellow liquid with a slightly unpleasant odor.
II. Quality Specifications
| No. | Item | Standard | Unit |
| 1 | Appearance | Colorless to light yellow liquid | — |
| 2 | Purity | ≥99.70 | Wt% |
| 3 | Moisture | ≤0.3 | Wt% |
| 4 | Chloride (Cl⁻) | ≤5 | ppm |
| 5 | Specific Gravity (20°C) | 1.20±0.02 | g/ml |
III. Packaging Specifications
25 kg/drum

