Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Phosphoric Acid 50% Technical Grade
Technical · 50%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 7664-38-2
- Structure
Structure · PubChem - Grade
- Technical · 50%
- Assay specification
- 49.5 - 50.5 %
- Answer summary
Sample specification reference for Phosphoric Acid 50% Technical 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 (H3PO4) | 49.5 - 50.5 % | 50.13 % | — |
| Color (APHA) | 10 max. | 3 | — |
| Chloride (as Cl) | 15 ppm max | 3.8 ppm | — |
| Iron (as Fe) | 5.9 ppm max | 1.8 ppm | — |
| arsenic | 0.000029 % max | 0.0000042 % | — |
| cadmium | 0.000059 % max | 0.0000031 % | — |
| fluoride | 0.00059 % max | 0.00016 % | — |
| heavy metal | 0.00029 % max | 0.000035 % | — |
| lead | 0.000059 % max | 0.0000025 % | — |
| mercury | 0.000059 % max | 0.0000011 % | — |
| nitrates | 0.00031 % max | 0.000030 % | — |
| oxidable matter | 0.0071 % max | 0.0008 % | — |
| sulfates | 0.003 % max | 0.0019 % | — |
| volatile acid | 0.00059 % max | 0.00008 % | — |
| copper | 2.9 ppm max | 0.66 ppm | — |
| Specific gravity (20 °C) | 1.331 - 1.341 | 1.337 | — |
| Composition | 50 % phosphoric acid 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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