Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
Hydrochloric Acid 37% ACS Reagent Grade
ACS Reagent · 37%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
- CAS number
- 7647-01-0
- Structure
Structure · PubChem - Grade
- ACS Reagent · 37%
- Assay specification
- 36.5 to 38.0 %
- Answer summary
Sample specification reference for Hydrochloric Acid 37% ACS Reagent 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) | 36.5 to 38.0 % | 36.8 % | Titration with NaOH |
| Ammonium (NH4) | 3 ppm max | 0.41 ppm | — |
| Appearance | Clear, Colorless | Passes test | — |
| Arsenic (As) | 0.01 ppm max | 0.0022 ppm | — |
| Bromide (Br) | 0.005% max | 0.00101% | — |
| Color (APHA) | 10 max | 1 | — |
| Extractable organic substances | 5 ppm max | 0.45 ppm | — |
| Free chlorine (Cl) | 1 ppm max | 0.13 ppm | — |
| Heavy metals (as Pb) | 1 ppm max | 0.074 ppm | — |
| Iron (Fe) | 0.2 ppm max | 0.027 ppm | — |
| Residue after ignition | 5 ppm max | 0.43 ppm | — |
| Sulfate (SO4) | 1 ppm max | 0.20 ppm | — |
| Sulfite (SO3) | 1 ppm max | 0.062 ppm | — |
| Specific gravity @ 20 C | 1.179 - 1.189 | 1.184 | Digital density meter |
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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