Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Methyl Isobutyl Ketone (MIBK) ACS Grade
ACS Grade
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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 Isobutyl Ketone (MIBK) ACS Grade. Lot-specific results ship with every order.
- Assay (computed)
- 99.90%
- Grade
- ACS Grade
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (GC-FID) | 98.5 – 99.9 % | 99.9 % | GC-FID |
| Acidity (as acetic) | ≤ 0.002 % | 0.001 % | Titration per ACS/USP |
| Acidity (as acetic) | ≤ 30 ppm | 9 ppm | Titration |
| Appearance/Odor | — | — | Visual Inspection |
| Color (APHA) | ≤ 15 APHA | 2 APHA | ASTM D1209 |
| Distillation Range | 114 – 117 °C | 116 °C | ASTM D1078 |
| Residue/Non-volatile | ≤ 0.005 % | — | Residue on Ignition |
| Residue on Evaporation | ≤ 20 ppm | 6 ppm | Evaporation |
| Specific Gravity @20°C | 0.8 – 0.803 g/mL | 0.802 g/mL | Hydrometer @ 25°C |
| Water (Karl Fischer) | ≤ 0.1 % | 0.02 % | 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.