Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

Hydrochloric Acid 31% Technical Grade

Technical Grade · 31%

Category
Aqueous Acids (C)
Revision
1.7

Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.

CAS number
7647-01-0
Structure
2D chemical structure of Hydrochloric Acid 31% Technical Grade
Structure · PubChem
Grade
Technical Grade · 31%
Assay specification
20.0 min.
Answer summary

Sample specification reference for Hydrochloric Acid 31% 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

ParameterSpecificationSource reference resultTest Method
Assay, Baumé20.0 min.20.3—
Arsenic (As)0.5 max. (ppm as As)0.024 ppm—
Fluorinated organic compounds25 max. (ppm)0.68 ppm—
Heavy metals (as Pb)1 max. (ppm)0.12 ppm—
Oxidizing substances (as Cl2)10 max. (ppm as Cl2)0.47 ppm—
Specific gravityMin 1.1602 at 60°F (15.5°C)1.1626—
Sulfate (SO4)Max 60.00 ppm8.5 ppm—
Total organic compounds (non-fluorine-containing)5 max. (ppm)0.63 ppm—
Iron (Fe)3 ppm max0.31 ppmICP-MS
Free chlorine (as Cl2)10 ppm max0.33 ppmDPD colorimetric
Nonvolatile matter100 ppm max8 ppmGravimetric, evaporation to dryness at 105 C
baume °20 min20.3—
color0 - 2010—

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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ProductHydrochloric Acid 31% Technical Grade
Hydrochloric Acid 31% Technical Grade — Sample Certificate of Analysis | Alliance Chemical