Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Methyl n-Propyl Ketone (MPK)
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Sample COA. Lot-specific COAs ship with each order.
Last reviewed 2026-05-20.
COA · Answer summary
Typical certificate of analysis for Methyl n-Propyl Ketone (MPK). Lot-specific results ship with every order.
- Assay (computed)
- 99.80%
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (GC-FID) | 99.5 – 100.5 % | 99.8 % | GC-FID |
| Acidity (as acetic) | ≤ 0.02 % | 0.006 % | Titration per ACS/USP |
| Aldehydes | ≤ 0.5 % | 0.14 % | Per specification |
| Appearance/Odor | — | — | Visual Inspection |
| Color (APHA) | ≤ 15 APHA | 5 APHA | ASTM D1209 |
| DEG Content | ≤ 0.2 % | 0.06 % | GC |
| Free Acid | ≤ 0.02 % | 0 % | Titration |
| Specific Gravity @20°C | 0.804 – 0.8484 g/mL | 0.808 g/mL | Hydrometer @ 25°C |
| Water (Karl Fischer) | ≤ 0.05 % | 0.01 % | ASTM E203 / ISO 6296 |
Generated . Published by Alliance Chemical from first-party canonical product data. Our authority is hands-on chemical handling, DOT/GHS-compliant shipping, and government-registered distribution — not bench chemistry. Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.