Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

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
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
HCl
CAS Number:
7647-01-0
Molecular Weight:
36.46
Beilstein:
1098214
EC Number:
231-595-7
MDL number:
MFCD00011324
UNSPSC Code:
12352301
PubChem Substance ID:
329753568
NACRES:
NA.21
Pricing and availability is not currently available.

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

1.18 g/L at 20 °C

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
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H290,H314,H335

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
SDBB2887
SDBB2719
SDBB2718
SDBB2172
SDBB2018

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.

Search for a COA

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)

Questions

1–3 of 3 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  3. What is the molarity of this product?

    1 answer

    1. The molecular weight of Hydrochloric acid is 36.46 g/mol. Assuming a density of 1.180 g/mL, the molarity of this product at exactly 37% is 11.97M. However, as the concentration and density vary slightly from lot to lot, the molarity will also vary slightly from lot to lot. See the calculation below:
      Molarity (moles/L) = Density (g/L) ÷ Molecular Weight (g/mol) * purity/concentration
      The density and concentration are reported on a lot specific basis. Please refer to the Certificate of Analysis to calculate a specific lot.

      Helpful?

Reviews

No rating value

Active Filters

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