Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Inhibited Ethylene Glycol 50/50 with OAT-908 — Data Center Coolant
50%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 107-21-1
- Structure
Structure · PubChem - Grade
- 50%
- Assay specification
- 50.0 - 51.0 % w/w
- Answer summary
Sample specification reference for Inhibited Ethylene Glycol 50/50 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) | 50.0 - 51.0 % w/w | 50.18 % w/w | — |
| Freeze point | -28.9 °F (-33.8 °C) max | -29.2 °F (-34.0 °C) | ASTM D1177 |
| Reserve alkalinity | 1.5 ml min. | 8.5 | — |
| Nitrite | 1200 ppm min. | 1355 ppm | — |
| Electrical conductivity @ 25 °C | 4000 µS/cm maximum | 3148 | ASTM D1125 |
| Silicates, phosphates, nitrites, borates, amines | None added — < 10 ppm each | 0.43 ppm | ICP-OES / ion chromatography |
| Foaming tendency (volume / break time) | 150 mL max / 5 s max | Passes test | ASTM D1881 |
| Sulfate (SO4) | 3 ppm max | 0.20 ppm | Turbidimetric, ACS procedure |
| Heavy metals (as Pb) | 0.51 ppm max | 0.037 ppm | ICP-OES / ACS heavy metals procedure |
| Acidity as Acetic Acid | 0.0025% max | 0.00014 % | — |
| Chloride (Cl) | 0.45 ppm max | 0.044 ppm | — |
| Diethylene Glycol | 0.025% max | 0.008 % | — |
| Iron (Fe) | 0.055 ppm max | 0.014 ppm | — |
| Residue after evaporation | 0.0026% max | 0.00037 % | — |
| Color | 10 max | 3 | — |
| Specific gravity (20 °C) | 1.060 - 1.070 | 1.065 | — |
| Composition | 50 % 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.
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