Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

Hydrochloric Acid 37% ACS Reagent Grade

ACS Reagent · 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% ACS Reagent Grade
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

ParameterSpecificationSource reference resultTest Method
Assay (HCl)36.5 to 38.0 %36.8 %Titration with NaOH
Ammonium (NH4)3 ppm max0.41 ppm—
AppearanceClear, ColorlessPasses test—
Arsenic (As)0.01 ppm max0.0022 ppm—
Bromide (Br)0.005% max0.00101%—
Color (APHA)10 max1—
Extractable organic substances5 ppm max0.45 ppm—
Free chlorine (Cl)1 ppm max0.13 ppm—
Heavy metals (as Pb)1 ppm max0.074 ppm—
Iron (Fe)0.2 ppm max0.027 ppm—
Residue after ignition5 ppm max0.43 ppm—
Sulfate (SO4)1 ppm max0.20 ppm—
Sulfite (SO3)1 ppm max0.062 ppm—
Specific gravity @ 20 C1.179 - 1.1891.184Digital 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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ProductHydrochloric Acid 37% ACS Reagent Grade