Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Aluminum Sulfate Hydrate ACS Grade
ACS Grade
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 7784-31-8
- Structure
Structure · PubChem - Grade
- ACS Grade
- Assay specification
- 98.0-102.0%
- Answer summary
Sample specification reference for Aluminum Sulfate Hydrate ACS Grade. Source-record results are reference values, not measurements for your lot.
Last reviewed 2026-07-17 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay (as the labeled hydrate) | 98.0-102.0% | 99.8 % | — |
| Calcium (Ca) | <= 0.01% | 0.0013 % | — |
| Chloride (Cl) | <= 0.005% | 0.00057 % | — |
| Degree of Hydration | 14 - 18 | 16 | — |
| Heavy Metals (as Pb) | <= 0.001% | 0.00014 % | — |
| Insoluble Matter | <= 0.01% | 0.0024 % | — |
| Iron (Fe) | <= 0.002% | 0.00049 % | — |
| Magnesium (Mg) | <= 0.002% | 0.00020 % | — |
| Potassium (K) | <= 0.005% | 0.0008 % | — |
| Sodium (Na) | <= 0.02% | 0.0050 % | — |
| Ammonium (NH4) | ≤0.005 % | 0.00046 % | Nessler colorimetric comparison |
| loss on drying | 22 - 25 % | 23.5 % | — |
| density | 0.9 - 0.91 g/cc | 0.905 g/cc | — |
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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