Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

Hydrochloric Acid 37% (HCL 37%) - Technical Grade

Technical Grade · 37%

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 37% (HCL 37%) - Technical Grade
Structure · PubChem
Grade
Technical Grade · 37%
Assay specification
36.5-39 %
Answer summary

Sample specification reference for Hydrochloric Acid 37% (HCL 37%) - 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 (HCl)36.5-39 %36.7 %Acidimetric titration (source prints "Assay (Acidim.)")
Ammonium (NH4)0.005%0.00025 %—
Arsenic (As)0.0003 %0.0000018 %—
Lead (Pb)0.005 %0.0000077 %—
Density 15/41.185-1.1951.189—
Sulfate (SO4)0.005%0.00070 %—
Iron (Fe)0.005 %0.000035 %—
Free chlorine (as Cl2)0.001 %0.001 %DPD colorimetric
Residue on evaporation0.012 %0.0016 %Gravimetric, evaporation to dryness at 105 C

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 37% (HCL 37%) - Technical Grade