Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Isobutyl Alcohol 99% ACS Grade
ACS Grade · 99%
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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 Isobutyl Alcohol 99% ACS Grade. Lot-specific results ship with every order.
- Assay (computed)
- 99.00%
- Grade
- ACS Grade
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (GC) | 98.5 – 99.5 % | 99 % | GC |
| Acidity (as acetic) | ≤ 20 ppm | 10 ppm | Titration |
| Aldehydes (as acetaldehyde) | ≤ 0.05 ppm | 0.01 ppm | Spectrophotometry |
| Alkalinity | ≤ 0.001 | 0 | Per specification |
| Appearance/Odor | — | — | Visual Inspection |
| Color (APHA) | ≤ 10 APHA | 5 APHA | APHA |
| Residue on Evaporation | ≤ 10 ppm | 3 ppm | Evaporation |
| Specific Gravity @20°C | 0.785 – 0.787 g/mL | 0.786 g/mL | Hydrometer @ 25°C |
| Water (Karl Fischer) | ≤ 0.1 % | 0.01 % | Karl Fischer |
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.