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 % v/v (≈ 52.5 - 53.6 % 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 2026-11-04.
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay (ethylene glycol) | 50.0 - 51.0 % v/v (≈ 52.5 - 53.6 % w/w) | 50.18 % v/v | — |
| Freeze point | -34.6 °F (-37.0 °C) max | -35.1 °F (-37.3 °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 |
| 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 | — |
| Color | 10 max | 3 | — |
| Density (20 °C) | 1.068 - 1.073 g/cm³ | 1.070 | ASTM D4052 (digital density meter) |
| Composition | 50 % ethylene glycol by volume (50 volumes ethylene glycol to 50 volumes deionized water), with the OAT-908 inhibitor package at 2 % w/w of the batch | Conforms | By formulation; batch weights (scale ticket) |
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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