Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Sodium Hydroxide 15% ACS Grade
ACS · 15%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 1310-73-2
- Structure
Structure · PubChem - Grade
- ACS · 15%
- Assay specification
- 14.5 - 15.5 %
- Answer summary
Sample specification reference for Sodium Hydroxide 15% ACS 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 (NaOH) | 14.5 - 15.5 % | 15.05 % | — |
| Ammonium hydroxide precipitate | 0.003% max | 0.00021 % | — |
| Calcium (Ca) | 0.00076% max | 0.000012 % | — |
| Chloride (Cl) | 0.00063% max | 0.00023 % | — |
| Heavy metals (as Ag) | 0.0003% max | 0.0000121 % | — |
| Iron (Fe) | 1.5 ppm max | 0.092 ppm | — |
| Magnesium (Mg) | 0.00031% max | 0.0000040 % | — |
| Mercury (Hg) | 0.015 ppm max | 0.00021 ppm | — |
| Nickel (Ni) | 1.5 ppm max | 0.072 ppm | — |
| Nitrogen compounds (as N) | 1.5 ppm max | 0.079 ppm | — |
| Phosphate (PO4) | 2.2 ppm max | 0.025 ppm | — |
| Potassium (K) | 0.003% max | 0.00042 % | — |
| Sodium carbonate | 0.075 % max | 0.026 % | — |
| Sulfate (SO4) | 0.00037% max | 0.000124 % | — |
| Color (APHA) | Max 20 | 1 | — |
| Composition | 15 % sodium hydroxide in deionized water, by weight | Conforms | By formulation; confirmed by specific gravity |
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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