Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Phosphoric Acid 20% Food Grade
Food · 20%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 7664-38-2
- Structure
Structure · PubChem - Grade
- Food · 20%
- Assay specification
- 19.5 - 20.5 %
- Answer summary
Sample specification reference for Phosphoric Acid 20% Food 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) | 19.5 - 20.5 % | 19.99 % | — |
| Identification (phosphate) | Positive test for phosphate | Passes test | FCC phosphate identification tests |
| Mercury (Hg) | 0.24 ppm Hg | 0.0060 ppm | Cold-vapour AAS (EPA 245.1) |
| Arsenic (As) | 0.71 mg/kg max | 0.023 mg/kg | — |
| Cadmium (Cd) | 0.71 mg/kg max | 0.011 mg/kg | — |
| Chlorides (Cl) | 2.7 ppm max | 0.44 ppm | — |
| Fluoride (F) | 2.4 mg/kg max | 0.52 mg/kg | — |
| Iron (Fe) | 2.4 ppm max | 0.52 ppm | — |
| Lead (Pb) | 0.71 mg/kg max | 0.013 mg/kg | — |
| Sulfate (SO4) | 24 ppm max | 4.3 ppm | — |
| Color (maximum) | 10 APHA Units max | 2 APHA | — |
| Composition | 20 % 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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