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.
- CAS number
- 57-55-6
- Structure
Structure · PubChem - Grade
- 25%
- 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.
Last reviewed 2026-09-24.
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 | — |
| Freezing point | 14 °F (-10.0 °C) at 25 vol % propylene glycol | 14 °F (-10.0 °C) | ASTM D1177 |
| Propylene glycol concentration | 24.0 - 26.0 % v/v | 24.7 % | — |
| Density at 20°C | 1.024 g/cm³ | 1.024 g/cm³ | DIN 51757 |
| Chloride (Cl) | ≤ 25 ppm | 0.21 ppm | ASTM D3634 |
| Silicate, phosphate, nitrite, nitrate, borate and amine content | None detected (< 10 ppm each) | 0.36 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 | 214 °F | Dynalene PG series data table |
| Burst protection | -1 °F (-18.3 °C) at 25 vol % propylene glycol | -1 °F (-18.3 °C) | 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.
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.