Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Potassium Hydroxide (KOH) Technical Grade
Technical · 90.3%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 1310-58-3
- Structure
Structure · PubChem - Grade
- Technical · 90.3%
- Assay specification
- 90%
- Answer summary
Sample specification reference for Potassium Hydroxide (KOH) Technical Grade. Source-record results are reference values, not measurements for your lot.
Last reviewed 2026-06-18 by Andre Taki, Chief Commercial Officer, DOT Hazmat–certified (49 CFR 172.704).
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Assay | 90% | 90% | Acidimetric titration (Acidim.) |
| Hydroxide alkalinity as KOH (wt. %) | 90 min | 90.8 wt % | — |
| Arsenic (As) | 0.0003 % | 0.00001 % | — |
| Potassium chloride as KCl (ppm by wt.) | 150 max | 36 ppm | — |
| Heavy metals (as Pb) | ≤0.002% | 0.0001 % | — |
| Iron as Fe (ppm by wt.) | 3 max | 1.2 ppm | — |
| Lead (Pb) | 0.005 % | 0.00001 % | — |
| Nickel as Ni (ppm by wt.) | 4 max | 1.5 ppm | — |
| Potassium carbonate as K2CO3 (wt. %) | 0.44 max | 0.30 wt % | — |
| Potassium Carbonate (K2CO3) | ≤1.0% | 0.30 % | — |
| Sulfate (SO4) | 0.05% | 0.0003 % | — |
| Insoluble matter in H2O | 0.05 % | 0.001 % | — |
| Sodium (as Na) | 0.5% Max. | 0.24 % | Flame AAS / ICP-OES |
| carbonate as k2co3 | 0.5 wt % max | 0.30 wt % | — |
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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