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Key Documents

07104

Sigma-Aldrich

Hydrochloric acid

24.5-26.0%, puriss.

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About This Item

Empirical Formula (Hill Notation):
HCl
CAS Number:
Molecular Weight:
36.46
Beilstein:
1098214
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.21

product name

Hydrochloric acid, puriss., 24.5-26.0%

vapor density

1.3 (vs air)

vapor pressure

3.23 psi ( 21.1 °C)
7.93 psi ( 37.7 °C)

grade

puriss.

Assay

24.5-26.0%

form

liquid

impurities

≤0.0001% free chlorine (Cl)
≤0.0001% heavy metals (as Pb)

ign. residue

≤0.002% (as SO4)

bp

>100 °C (lit.)

density

1.070 g/cm3 at 20 °C (lit.)

anion traces

sulfate (SO42-): ≤2 mg/kg
sulfite (SO32-): ≤5 mg/kg

cation traces

As: ≤0.5 mg/kg
Fe: ≤1 mg/kg

SMILES string

Cl

InChI

1S/ClH/h1H

InChI key

VEXZGXHMUGYJMC-UHFFFAOYSA-N

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Application


  • Unlocking high-performance HCl adsorption at elevated temperatures: This research demonstrates the use of hydrochloric acid solution for synthesizing robust Ca-Mg-Al mixed oxides. These materials are crucial in environmental applications for adsorbing acidic gases, showcasing hydrochloric acid′s role in developing solutions to combat air pollution (Cao et al., 2024).

  • Sustainable and Green Corrosion Inhibition of Mild Steel: Hydrochloric acid is utilized here to test new, environmentally friendly corrosion inhibitors. This is vital in industries where maintaining material integrity against chemical attack is crucial, highlighting hydrochloric acid′s role in innovative material science applications (Rizi et al., 2023).

  • Synthesis of Zinc Oxide Nanorods from Zinc Borate Precursor: This study uses hydrochloric acid in the synthesis of zinc oxide nanorods, important for supercapacitor applications. It underscores the critical role of hydrochloric acid in nanomaterials research, pushing the boundaries of energy storage technology (Lefdhil et al., 2023).

  • An improved digestion and analysis procedure for silicon in plant tissue: Hydrochloric acid is employed to digest plant tissues for silicon content analysis, enhancing agricultural and biological research methodologies. This application reflects the importance of hydrochloric acid in scientific studies that require precise chemical processing (Langenfeld and Bugbee, 2023).

  • N-N(+) Bond-Forming Intramolecular Cyclization of O-Tosyloxy beta-Aminopropioamidoximes and Ion Exchange Reaction: In this research, hydrochloric acid plays a key role in organic synthesis, demonstrating its versatility in pharmaceutical compound development. The study provides insights into the synthesis of complex organic compounds, which are vital in medicinal chemistry (Kayukova et al., 2023).

Other Notes

The article number 07104-4X2.5L will be discontinued. Please order the single bottle 07104-2.5L which is physically identical with the same exact specifications.
The article number 07104-6X1L will be discontinued. Please order the single bottle 07104-1L which is physically identical with the same exact specifications.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Alcoholic hydrochloric acid-carmine as a stain for chromosomes in squash preparations.
R SNOW
Stain technology, 38, 9-13 (1963-01-01)
THE HYDROLYSIS OF CHITIN BY CONCENTRATED HYDROCHLORIC ACID, AND THE PREPARATION OF LOW-MOLECULAR-WEIGHT SUBSTRATES FOR LYSOZYME.
J A RUPLEY
Biochimica et biophysica acta, 83, 245-255 (1964-11-01)
Daejin Kim et al.
Environmental science & technology, 49(16), 9452-9459 (2015-06-25)
The rare earth elements (REEs) such as neodymium, praseodymium, and dysprosium were successfully recovered from commercial NdFeB magnets and industrial scrap magnets via membrane assisted solvent extraction (MSX). A hollow fiber membrane system was evaluated to extract REEs in a
Quantitative estimation of sialic acids. II. A colorimetric resorcinol-hydrochloric acid method.
L SVENNERHOLM
Biochimica et biophysica acta, 24(3), 604-611 (1957-06-01)
Jay G Hosking et al.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 40(4), 1005-1015 (2014-10-21)
Successful decision making often requires weighing a given option's costs against its associated benefits, an ability that appears perturbed in virtually every severe mental illness. Animal models of such cost/benefit decision making overwhelmingly implicate mesolimbic dopamine in our willingness to

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