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.
Last reviewed 2026-07-17 by Andre Taki, DOT Hazmat Specialist.
COA · 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.
- Assay specification
- 49.0 - 51.0 % w/w
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay (ethylene glycol) | 49.0 - 51.0 % w/w | 50.0 % w/w | — |
| ASTM D1384 corrosion weight loss | copper 10 max; solder 30 max; brass 10 max; steel 10 max; cast iron 10 max; aluminum 30 max mg/specimen | Passes test | ASTM D1384 |
| Freeze point | -28.9 °F (-33.8 °C) max | -28.9 °F (-33.8 °C) | ASTM D1177 |
| Reserve alkalinity | 1.5 ml min. | 8.0 | — |
| Nitrite | 1200 ppm min. | 1350 ppm | — |
| Electrical conductivity @ 25 °C | 4000 µS/cm maximum | 3200 | ASTM D1125 |
| Silicates, phosphates, nitrites, borates, amines | None added — < 10 ppm each | 0.5 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 | 0.25 ppm | Turbidimetric, ACS procedure |
| Heavy metals (as Pb) | 0.51 ppm max | 0.05 ppm | ICP-OES / ACS heavy metals procedure |
| Identity (IR) | passes test | Passes test | — |
| Acidity as Acetic Acid | 0.0025% max | 0.00015 % | — |
| Chloride (Cl) | 0.45 ppm max | 0.05 ppm | — |
| Diethylene Glycol | 0.025% max | 0.01 % | — |
| Iron (Fe) | 0.055 ppm max | 0.01 ppm | — |
| Residue after evaporation | 0.0026% max | 0.0005 % | — |
| Color | 10 max | 2.6 | — |
| 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.