Anhydrous ethanol AR Grade is a colorless liquid with a characteristic odor, containing minimal or no water content, typically used in applications where water can interfere. CAS 64-17-5 EC 200-578-6

| Product Name   | Specification | Lot Number  | Molecular Formula | Molecular Weight | Lot Size | Inspection Unit | Sample Category | Report Date  | Inspection Basis  |
|----------------|---------------|-------------|-------------------|------------------|----------|-----------------|-----------------|--------------|-------------------|
| Anhydrous Ethanol | Analytical Grade | 2024050701 | CH3CH2OH          | 46.07            | 29.92T   | Production Unit | Organic         | 2024.05.12   | GB/T 678-2023     |

| Test Item               | Standard Requirement    | Test Result |
|-------------------------|-------------------------|-------------|
| Content,% (Purity)      | ≥99.7                   | 99.9        |
| Appearance              | Colorless transparent liquid | Colorless transparent liquid |
| Density (20°C), ρ/(g/ml)| 0.789～0.791             | 0.790       |
| Water Miscibility Test  | Complies                | Complies    |
| Evaporation Residue,%   | ≤0.001                  | 0.0005      |
| Acidity (as H+), mmol/g | ≤0.0004                 | 0.0002      |
| Alkalinity (as OH-), mmol/g | ≤0.0001              | Not detected|
| Moisture (H2O),%        | ≤0.3                    | 0.01        |
| Methanol (CH3OH),%      | ≤0.05                   | 0.0007      |
| Isopropanol [(CH3)2CHOH],% | ≤0.01                | 0.0008      |
| n-Propanol (CH3CH2CH2OH),% | ≤0.01                | 0.0004      |
| Carbonyl Compounds (as CO),% | ≤0.003              | ＜0.003     |
| Substances liable to carbonylate | Complies        | Complies    |
| Potassium Permanganate Test (as O),% | ≤0.00025    | ＜0.00025   |

Analysis Conclusion:
Complies with the requirements of GB/T 678-2023 for analytical grade.