Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Methyl Ethyl Ketone (MEK) Technical Grade
Technical
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 78-93-3
- Structure
Structure · PubChem - Grade
- Technical
- Assay specification
- 99.5 % m/m min.
- Answer summary
Sample specification reference for Methyl Ethyl Ketone (MEK) Technical Grade. Source-record results are reference values, not measurements for your lot.
Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Purity | 99.5 % m/m min. | 99.92 % m/m | ASTM D2804 |
| Acidity (as acetic acid) | 0.003 wt% max | 0.00047 wt% | ASTM D1613 |
| Appearance | Clear and Bright | Passes test | ASTM E2680 |
| Distillation, DP | 80.5 °C max. | 79.9 °C | ASTM D1078 |
| Distillation, IBP | 79.0 °C min. | 79.5 °C | ASTM D1078 |
| Non-volatile residue | 2 mg/100ml max | 0.29 mg/100ml | ASTM D1353 |
| Specific gravity @ 20/20 °C | 0.805 - 0.807 | 0.806 | ASTM D4052 |
| Total Alcohols | 0.5 %m/m max. | 0.0 %m/m | ASTM D2804 |
| Water | 0.05 % m/m max. | 0.01 % m/m | ASTM D1364 |
| Odor | Characteristic, non-residual | Passes test | ASTM D1296 |
| Ethyl acetate | 0.15 mass % max | 0.025 mass % | — |
| Acetone | 0.1 mass % max | 0.022 mass % | — |
Specification limits and source-record results are reproduced from the current product reference used by the TDS. This sample is not an issued certificate and does not identify a tested lot. Contact Alliance Chemical with the product and lot number for lot-specific documentation.
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