Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

30721

Sigma-Aldrich

Hydrochloric acid

≥37%, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., fuming, APHA: ≤10

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
HCl
CAS Number:
Molecular Weight:
36.46
Beilstein:
1098214
EC Number:
MDL number:
UNSPSC Code:
12352301
PubChem Substance ID:
NACRES:
NA.21

product name

Hydrochloric acid, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., fuming, ≥37%, APHA: ≤10

grade

ACS reagent
puriss. p.a.

Quality Level

Agency

USP/NF
reag. ISO
reag. Ph. Eur.

vapor density

1.3 (vs air)

vapor pressure

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

Assay

≥37%

form

liquid

impurities

≤0.00005% free chlorine (Cl)
≤0.0001% ammonium (NH4)
≤0.005% non-volatile matter

ign. residue

≤0.0005% (as SO4)

color

APHA: ≤10

bp

>100 °C (lit.)

density

1.070 g/cm3 at 20 °C (lit.)

anion traces

bromide (Br-): ≤50 mg/kg
phosphate (PO43-): ≤0.5 mg/kg
sulfate (SO42-): ≤1 mg/kg
sulfite (SO32-): ≤1 mg/kg

cation traces

Al: ≤0.05 mg/kg
As: ≤0.01 mg/kg
Ba: ≤0.02 mg/kg
Be: ≤0.02 mg/kg
Bi: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.01 mg/kg
Co: ≤0.01 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.2 mg/kg
Ge: ≤0.05 mg/kg
K: ≤0.1 mg/kg
Li: ≤0.01 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.01 mg/kg
Mo: ≤0.02 mg/kg
Na: ≤0.5 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.02 mg/kg
Sr: ≤0.01 mg/kg
Ti: ≤0.1 mg/kg
Tl: ≤0.05 mg/kg
V: ≤0.01 mg/kg
Zn: ≤0.05 mg/kg
Zr: ≤0.1 mg/kg
heavy metals: ≤1 ppm (by ICP-OES)

SMILES string

Cl

InChI

1S/ClH/h1H

InChI key

VEXZGXHMUGYJMC-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application


  • Monitoring the extraction of copper from chicken dung leachate using an aluminium electrode as an indicator.: Hydrochloric acid is employed in the extraction process of copper from chicken dung, demonstrating its role in environmental and waste management (Kugeria et al., 2019).

  • Composition and physico-chemical properties of bottom sediments in the southern part of the Bratsk Reservoir (Russia).: This study utilizes hydrochloric acid to analyze the composition and properties of reservoir sediments, contributing to water quality assessment and environmental monitoring (Rzetala et al., 2019).

  • Enhanced alumina recovery from secondary aluminum dross for high purity nanostructured γ-alumina powder production: Kinetic study.: Hydrochloric acid is used to recover alumina from aluminum dross, highlighting its importance in recycling and material science (Mahinroosta et al., 2018).

  • Cytochalasins from an Australian Marine Sediment-Derived Phomopsis sp. (CMB-M0042F): Acid-Mediated Intramolecular Cycloadditions Enhance Chemical Diversity.: This research demonstrates the use of hydrochloric acid in facilitating intramolecular cycloadditions, enhancing chemical diversity in natural product synthesis (Shang et al., 2017).

  • Microbial and chemical analysis of illicit drugs samples confiscated from different areas of Pakistan.: Hydrochloric acid is applied in the chemical analysis of illicit drugs, assisting in forensic and law enforcement efforts (Hussain et al., 2016).

Other Notes

The article number 30721-4X2.5L will be discontinued. Please order the single bottle 30721-2.5L which is physically identical with the same exact specifications.
The article number 30721-4X2.5L-M will be discontinued. Please order the single bottle 30721-2.5L-M which is physically identical with the same exact specifications.
The article number 30721-6X1L will be discontinued. Please order the single bottle 30721-1L which is physically identical with the same exact specifications.
The article number 30721-6X1L-M will be discontinued. Please order the single bottle 30721-1L-M 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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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
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)
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)
ADSORPTION OF IRON BY ANION EXCHANGE RESINS FROM HYDROCHLORIC ACID SOLUTIONS1.
Moore GE and Kraus KA.
Journal of the American Chemical Society, 72(12), 5792-5793 (1950)
Xuan Zhang et al.
Nanomedicine : nanotechnology, biology, and medicine, 11(6), 1365-1375 (2015-04-19)
Intratumoral injection of ultra-small gold nanoparticles (AuNPs) conjugated to doxorubicin (Au-Dox) is effective against both murine B16 and human SK-MEL-28 tumors in mice. Au-Dox suppresses growth of B16 tumors in immunocompetent mice by >70% for at least 19 days. In

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service