Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Inhibited Ethylene Glycol 40/60 with OAT-908 — Data Center Coolant
40%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 107-21-1
- Structure
Structure · PubChem - Grade
- 40%
- Assay specification
- 40.0 - 41.0 % w/w
- Answer summary
Sample specification reference for Inhibited Ethylene Glycol 40/60 with OAT-908 — Data Center Coolant. Source-record results are reference values, not measurements for your lot.
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay (ethylene glycol) | 40.0 - 41.0 % w/w | 40.09 % w/w | — |
| Freeze point | -8.1 °F (-22.3 °C) max | -8.2 °F (-22.3 °C) | ASTM D1177 |
| Reserve alkalinity | 1.2 ml min. | 6.5 | — |
| Nitrite | 960 ppm min. | 983 ppm | — |
| Electrical conductivity @ 25 °C | 3500 µS/cm maximum | 2792 | ASTM D1125 |
| Silicates, phosphates, nitrites, borates, amines | None added — < 10 ppm each | 0.64 ppm | ICP-OES / ion chromatography |
| Foaming tendency (volume / break time) | 150 mL max / 5 s max | Passes test | ASTM D1881 |
| Sulfate (SO4) | 2.6 ppm max | 0.14 ppm | Turbidimetric, ACS procedure |
| Heavy metals (as Pb) | 0.41 ppm max | 0.041 ppm | ICP-OES / ACS heavy metals procedure |
| Acidity as Acetic Acid | 0.002% max | 0.00011 % | — |
| Chloride (Cl) | 0.44 ppm max | 0.056 ppm | — |
| Diethylene Glycol | 0.02% max | 0.0068 % | — |
| Iron (Fe) | 0.046 ppm max | 0.0068 ppm | — |
| Residue after evaporation | 0.0021% max | 0.00038 % | — |
| Color | 10 max | 3 | — |
| Specific gravity (20 °C) | 1.048 - 1.058 | 1.053 | — |
| Composition | 40 % ethylene glycol in deionized water with the OAT-908 inhibitor package, by weight | Conforms | By formulation; confirmed by specific gravity |
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.
Need the Certificate of Analysis for your lot? Just ask.
Tell us the lot number from the container label and we will send the certificate over at no charge.