Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Hydrochloric Acid 20% Technical Grade
Technical · 20%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 7647-01-0
- Structure
Structure · PubChem - Grade
- Technical · 20%
- Assay specification
- 19.5 - 20.5 %
- Answer summary
Sample specification reference for Hydrochloric Acid 20% 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 (HCl) | 19.5 - 20.5 % | 19.90 % | — |
| Color, APHA | 20 max | 6 | — |
| Free chlorine (as Cl2) | 6.5 ppm max | 0.53 ppm | DPD colorimetric |
| Nonvolatile matter | 65 ppm max | 6.4 ppm | Gravimetric, evaporation to dryness at 105 C |
| Arsenic (As) | 0.32ppm max | 0.018 ppm | — |
| Fluorinated organic compounds | 16ppm max | 0.19 ppm | — |
| Heavy metals (as Pb) | 0.65ppm max | 0.047 ppm | — |
| Oxidizing substances (as Cl2) | 6.5ppm max | 0.75 ppm | — |
| Sulfate (SO4) | 39 ppm max | 5.7 ppm | — |
| Total organic compounds (non-fluorine-containing) | 3.2ppm max | 0.31 ppm | — |
| Iron (Fe) | 1.9 ppm max | 0.18 ppm | ICP-MS |
| Composition | 20 % hydrochloric 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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