Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Inhibited Propylene Glycol 25/75 with OAT Inhibitor — Data Center Coolant
25%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
Last reviewed 2026-08-17.
COA · Answer summary
Sample specification reference for Inhibited Propylene Glycol 25/75 with OAT Inhibitor — Data Center Coolant. Source-record results are reference values, not measurements for your lot.
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Reserve alkalinity | ≥ 1.5 mL at 25 vol % propylene glycol | 1.8 | ASTM D1121 |
| Composition | 25% (v/v) propylene glycol with corrosion inhibitors | Conforms | — |
| Corrosion protection (multi-metal), OAT inhibitor package | ASTM D8039 | Passes test | ASTM D8040 / ASTM D1881 where glycol content is below the 30% threshold of ASTM D8039 |
| Freezing point | 14 °F (-10.1 °C) at 25 vol % propylene glycol | Passes test | ASTM D1177 |
| Propylene glycol concentration | 24.0 - 26.0 % v/v | 25.0 % | — |
| Density at 20°C | 1.024 g/cm³ | 1.024 g/cm³ | DIN 51757 |
| Chloride (Cl) | ≤ 25 ppm | 0.20 ppm | ASTM D3634 |
| Silicate, phosphate, nitrite, nitrate, borate and amine content | None detected (< 10 ppm each) | 0.3 ppm | ICP-OES / ion chromatography |
| Foaming tendency | Volume ≤ 150 mL; break time ≤ 5 s | Passes test | ASTM D1881 |
| Boiling point | 214 °F at 25 vol % propylene glycol | Passes test | Dynalene PG series data table |
| Burst protection | -1 °F (-18.4 °C) at 25 vol % propylene glycol | Passes test | Dynalene PG series data table |
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.