Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Propylene Glycol 60% Inhibited
60%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
Last reviewed 2026-06-17 by Andre Taki, DOT Hazmat Specialist.
COA · Answer summary
Sample specification reference for Propylene Glycol 60% Inhibited. Source-record results are reference values, not measurements for your lot.
- Assay specification
- 59.0 - 61.0 % w/w
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay | 59.0 - 61.0 % w/w | 60.0 % w/w | — |
| Propylene glycol concentration | 59.0 - 61.0 % w/w | 60.0 % w/w | — |
| Corrosion performance | Weight loss within ASTM D3306 limits on all six metals | Passes test | ASTM D1384 |
| Chloride in dilution water | < 25 ppm | 0.5 ppm | ASTM D512 |
| Dipropylene glycol (DPG) | 0.3 wt% max | 0.150 wt% | GC area % (ASTM E202) |
| Reserve alkalinity | ≥ 6.0 mL at 60 wt % propylene glycol | 6.9 | ASTM D1121 |
| Acidity as Acetic Acid | 0.003 % max | 0.0009 % | — |
| Chlorides as Cl | 0.76 ppm max | 0.24 ppm | — |
| Heavy Metals as Pb | 3 ppm max | 0.12 ppm | — |
| Iron | 0.6 ppm max | 0.06 ppm | — |
| ash | 0.003% max | 0.00048 % | — |
| Color, Pt-Co | 10 APHA (maximum) | 3 APHA | — |
| Appearance | Pass | Passes test | — |
| Suspended Matter | Pass | Passes test | — |
| Composition | 60 % propylene glycol in deionized water with the OAT inhibitor package, by weight | Conforms | By formulation; confirmed by specific gravity |
| Freeze point | -59.9 °F (-51.1 °C) max | -59.9 °F (-51.1 °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.