Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Ethylene Glycol 50/50
50/50
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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 Ethylene Glycol 50/50. Lot-specific results ship with every order.
- Assay (computed)
- 50.00%
Specifications
| Parameter | Specification | Typical Result | Test Method |
|---|---|---|---|
| Assay (GC) | 49.465 – 50.465 % | 50 % | GC |
| Acidity (as acetic) | ≤ 0.0005 % | — | Titration |
| Acidity (as acetic) | ≤ 25 ppm | 3 ppm | Titration |
| Aldehydes (as acetaldehyde) | ≤ 15 ppm | 13 ppm | Spectrophotometry |
| Arsenic (As) | ≤ 0.0264 ppm | — | ICP-MS |
| Ash | ≤ 25 ppm | 5 ppm | Residue on Ignition |
| Chlorides (as Cl) | ≤ 0.25 ppm | 0.04 ppm | ICP |
| Color (APHA) | ≤ 10 APHA | 2 APHA | APHA |
| DEG Content | ≤ 0.25 % | 0.01 % | GC |
| Iron (Fe) | ≤ 0.05 ppm | 0 ppm | ICP-MS |
| Lead (Pb) | ≤ 0.0264 ppm | — | ICP-MS |
| Residue/Non-volatile | ≤ 0.05 % | 0.01 % | Residue on Ignition |
| Specific Gravity @20°C | 1.054 – 1.06 g/mL | 1.057 g/mL | Hydrometer @ 25°C |
| Sulfate | ≤ 0.5276 ppm | — | ICP |
| Water (Karl Fischer) | ≤ 0.05 % | 0.02 % | 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.