Methanol UPS electronic grade reagent is a high purity methanol solution. CAS 67-56-1 EC 200-659-6

| Item           | Methanol          |
|----------------|-------------------|
| Specification  | Electronic UPS Grade |
| Batch Number   | 2024052001        |
| Molecular Formula | CH3OH           |
| Molecular Weight | 32.04            |
| Batch Size     | 2500 kg           |
| Inspection Unit | Production Department |
| Sample Category | Organic           |
| Report Date     | 2024.05.23        |
| Inspection Basis | Enterprise Standard |

| Test Item                          | Standard Requirement | Measured Result |
|------------------------------------|----------------------|-----------------|
| Content (%)                        | ≥99.9                | 99.9            |
| Appearance                         | Colorless, transparent liquid | Colorless, transparent liquid |
| Particles (≥0.5μm), count/mL       | ≤10                  | <10             |
| Particles (≥0.2μm), count/mL       | ≤200                 | <200            |
| Water Solubility Test              | Pass                 | Pass            |
| Evaporation Residue (%)            | ≤0.0002              | 0.0001          |
| Chloride (Cl), ppb                 | ≤500                 | <500            |
| Sulfate (SO4), ppb                 | ≤500                 | <500            |
| Water Content (H2O), %             | ≤0.05                | 0.01            |
| Acidity (as H+), mmol/100g         | ≤0.04                | 0.02            |
| Alkalinity (as OH-), mmol/100g     | ≤0.008               | Not Detected   |
| Carbonyl Compounds (as CO), %      | ≤0.003               | <0.003          |
| Easily Carbonizable Substances     | Pass                 | Pass            |
| Reducing Substances (KMnO4)        | Pass                 | Pass            |
| Aluminum (Al), Arsenic (As), Barium (Ba), Boron (B), ppb | ≤1 | <1 |
| Cadmium (Cd), Calcium (Ca), Chromium (Cr), Cobalt (Co), ppb | ≤1 | <1 |
| Copper (Cu), Iron (Fe), Gallium (Ga), Gold (Au), ppb | ≤1 | <1 |
| Lead (Pb), Lithium (Li), Magnesium (Mg), Manganese (Mn), ppb | ≤1 | <1 |
| Molybdenum (Mo), Nickel (Ni), Silver (Ag), Potassium (K), ppb | ≤1 | <1 |
| Sodium (Na), Tin (Sn), Titanium (Ti), Zinc (Zn), ppb | ≤1 | <1 |

**Analysis Conclusion:**
Meets the standard requirements.