Skip to Content
Merck
All Photos(1)

Key Documents

30721-M

Sigma-Aldrich

Hydrochloric acid

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., fuming, ≥37%, 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

grade

ACS reagent
puriss. p.a.

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-): ≤0.005%
phosphate (PO43-): ≤0.00005%
sulfate (SO42-): ≤0.0001%
sulfite (SO32-): ≤0.0001%

cation traces

Al: ≤0.000005%
As: ≤0.000001%
Ba: ≤0.000002%
Be: ≤0.000002%
Bi: ≤0.00001%
Ca: ≤0.5 mg/kg
Cd: ≤0.000001%
Co: ≤0.000001%
Cr: ≤0.000002%
Cu: ≤0.000002%
Fe: ≤0.00002%
Ge: ≤0.000005%
K: ≤0.00001%
Li: ≤0.000001%
Mg: ≤0.00001%
Mn: ≤0.000001%
Mo: ≤0.000002%
Na: ≤0.00005%
Ni: ≤0.000002%
Pb: ≤0.000002%
Sr: ≤0.000001%
Ti: ≤0.00001%
Tl: ≤0.000005%
V: ≤0.000001%
Zn: ≤0.000005%
Zr: ≤0.00001%
heavy metals: ≤0.0001% (by ICP-OES)

SMILES string

Cl

InChI

1S/ClH/h1H

InChI key

VEXZGXHMUGYJMC-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application



  • Characterization of Miscanthus giganteus lignin isolated by ethanol organosolv process under reflux condition: Hydrochloric acid plays a key role in the organosolv process to isolate lignin from Miscanthus giganteus, which is critical for the development of bio-based chemicals and materials (Bauer et al., 2012).



Packaging

In PE-bottles; also available in Glass-bottles (Material no. ending with *-GL), PE canister and plastic drum (Material no. ending with *-H); 1, 2.5, 4×2.5, 72×2.5 L in glass btl, 1L only available in glass btl.

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


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

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

Visit the Document Library

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)

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