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Merck
CN

30723

Hydrochloric acid solution

puriss. p.a., ≥25%

Synonym(s):

Hydrogen chloride solution

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About This Item

Empirical Formula (Hill Notation):
HCl
CAS Number:
Molecular Weight:
36.46
UNSPSC Code:
12352106
PubChem Substance ID:
MDL number:
Assay:
≥25%
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vapor pressure

190 mmHg ( 25 °C)

grade

puriss. p.a.

assay

≥25%

impurities

residual solvents, complies, ≤0.00005% free chlorine (Cl), ≤0.0001% ammonium (NH4)

ign. residue

≤0.0005% (as SO4)

bp

100 °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

SMILES string

Cl

InChI

1S/ClH/h1H

InChI key

VEXZGXHMUGYJMC-UHFFFAOYSA-N

Application

Hydrochloric acid solution, puriss. p.a., ≥25% is used as a high purity (>98.5%) analytical reagent.

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.


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pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

新产品

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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)