Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Inhibited Propylene Glycol 35/65 with OAT Inhibitor — Data Center Coolant
35%
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 35/65 with OAT Inhibitor — Data Center Coolant. Source-record results are reference values, not measurements for your lot.
- Assay specification
- 34.0 - 36.0 % w/w
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay | 34.0 - 36.0 % w/w | 35.0 % w/w | — |
| Propylene glycol concentration | 34.0 - 36.0 % w/w | 35.0 % w/w | — |
| Reserve alkalinity | ≥ 2.1 mL at 35 wt % propylene glycol | 2.5 | ASTM D1121 |
| 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 |
| Dipropylene glycol (DPG) | 0.17 wt% max | 0.088 wt% | GC area % (ASTM E202) |
| Acidity as Acetic Acid | 0.0018 % max | 0.00052 % | — |
| Chlorides as Cl | 0.61 ppm max | 0.14 ppm | — |
| Heavy Metals as Pb | 1.8 ppm max | 0.07 ppm | — |
| Iron | 0.36 ppm max | 0.035 ppm | — |
| ash | 0.0018% max | 0.00028 % | — |
| Color, Pt-Co | 10 APHA (maximum) | 1.8 APHA | — |
| Appearance | Pass | Passes test | — |
| Suspended Matter | Pass | Passes test | — |
| Composition | 35 % propylene glycol in deionized water with the OAT inhibitor package, by weight | Conforms | By formulation; confirmed by specific gravity |
| Freeze point | 2.4 °F (-16.4 °C) max | 2.4 °F (-16.4 °C) | ASTM D1177 |
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.