Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Sodium Hydroxide 5% ACS Grade
ACS · 5%
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 · 5%
- Assay specification
- 4.75 - 5.25 %
- Answer summary
Sample specification reference for Sodium Hydroxide 5% 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) | 4.75 - 5.25 % | 5.01 % | — |
| Ammonium hydroxide precipitate | 0.001% max | 0.00008 % | — |
| Calcium (Ca) | 0.00026% max | 0.0000085 % | — |
| Chloride (Cl) | 0.00024% max | 0.000053 % | — |
| Heavy metals (as Ag) | 0.0001% max | 0.0000048 % | — |
| Iron (Fe) | 0.51 ppm max | 0.035 ppm | — |
| Magnesium (Mg) | 0.00011% max | 0.0000024 % | — |
| Mercury (Hg) | 0.005 ppm max | 0.00009 ppm | — |
| Nickel (Ni) | 0.51 ppm max | 0.017 ppm | — |
| Nitrogen compounds (as N) | 0.5 ppm max | 0.023 ppm | — |
| Phosphate (PO4) | 1.4 ppm max | 0.011 ppm | — |
| Potassium (K) | 0.001% max | 0.00017 % | — |
| Sodium carbonate | 0.025 % max | 0.012 % | — |
| Sulfate (SO4) | 0.00019% max | 0.000030 % | — |
| Color (APHA) | Max 20 | 0.5 | — |
| Specific gravity (20 °C) | 1.049 - 1.059 | 1.054 | — |
| Composition | 5 % 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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