Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Phosphoric Acid 30% - The Ultimate Rust Remover Solution Technical Grade
Technical · 30%
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 · 30%
- Assay specification
- 29.5 - 30.5 %
- Answer summary
Sample specification reference for Phosphoric Acid 30% - The Ultimate Rust Remover Solution 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) | 29.5 - 30.5 % | 30.04 % | — |
| Chloride (as Cl) | 9.1 ppm max | 1.2 ppm | — |
| Iron (as Fe) | 3.5 ppm max | 0.9 ppm | — |
| arsenic | 0.000018 % max | 0.0000036 % | — |
| cadmium | 0.000035 % max | 0.0000023 % | — |
| fluoride | 0.00035 % max | 0.000094 % | — |
| heavy metal | 0.00018 % max | 0.000023 % | — |
| lead | 0.000036 % max | 0.0000026 % | — |
| mercury | 0.000035 % max | 0.00000086 % | — |
| nitrates | 0.0002 % max | 0.000015 % | — |
| oxidable matter | 0.0042 % max | 0.00061 % | — |
| sulfates | 0.0018 % max | 0.0011 % | — |
| volatile acid | 0.00035 % max | 0.000072 % | — |
| copper | 1.8 ppm max | 0.61 ppm | — |
| color | 20 max | 3 | — |
| Specific gravity (20 °C) | 1.175 - 1.185 | 1.180 | — |
| Composition | 30 % 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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