Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Glycerin Technical Grade
Technical Grade
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 56-81-5
- Structure
Structure · PubChem - Grade
- Technical Grade
- Answer summary
Sample specification reference for Glycerin Technical Grade. Source-record results are reference values, not measurements for your lot.
Last reviewed 2026-06-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Glycerol content | 98.0 Min | 99.5 | — |
| Chlorides | 10 ppm Max | 1.5 ppm | — |
| Chlorinated compounds | 30 ppm Max | 5 ppm | — |
| Color | 40 Max (Pt - Co) | 10 | — |
| Fatty acid & ester | 1.00 Max | 0.20 | — |
| Glycerol | Min 99.7% | 99.8% | — |
| Heavy metals | 5 ppm Max | 1 ppm | — |
| Organic residue | 2.0% Max | 0.3 % | — |
| pH (10% solution) | 4.0 - 9.1 | 6.55 | — |
| Specific Gravity @ 25/25°C | Min 1.259 | 1.2617 | — |
| Sulfates | Max 20 ppm | 3 ppm | — |
| Water | 0.5 % Max | 0.12 % | — |
| Sulfated ash | 0.01 % Max | 0.003 % | Gravimetric, 600 °C (ASTM D482 style) |
| Diethylene glycol / ethylene glycol (GC) | Not detected (limit 0.1 % each) | Passes test | GC-FID (EP 2.4.30 / glycerin ID B procedure) |
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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