1.13386

Hydrochloric Acid

fuming 37%, for analysis max. 0.001 ppm Hg EMSURE^®

• Synonym(s): Hydrochloric acid, Hydrogen chloride solution
• Empirical Formula (Hill Notation): HCl
• CAS Number: 7647-01-0
• Molecular Weight: 36.46
• Beilstein: 1098214
• MDL number: MFCD00011324
• UNSPSC Code: 12352301

Properties

• vapor density: 1.3 (vs air)
• Quality Level: 300
• vapor pressure: 190 hPa ( 20 °C); 3.23 psi ( 21.1 °C); 7.93 psi ( 37.7 °C)
• product line: EMSURE^®
• Assay: ≥37.0% (alkalimetric)
• form: liquid
• impurities: ≤0.001 ppm Hg (Mercury); ≤0.002 ppm Sb (Antimony); ≤0.01 ppm As (Arsenic); ≤0.01 ppm Cd (Cadmium); ≤0.01 ppm Co (Cobalt); ≤0.01 ppm Li (Lithium); ≤0.01 ppm Mn (Manganese); ≤0.01 ppm Sr (Strontium); ≤0.01 ppm V (Vanadium); ≤0.02 ppm Ba (Barium); ≤0.02 ppm Be (Beryllium); ≤0.02 ppm Cr (Chromium); ≤0.02 ppm Cu (Copper); ≤0.02 ppm Mo (Molybdenum); ≤0.02 ppm Ni (Nickel); ≤0.02 ppm Pb (Lead); ≤0.05 ppm Al (Aluminium); ≤0.05 ppm Ge (Germanium); ≤0.05 ppm Tl (Thallium); ≤0.05 ppm Zn (Zinc); ≤0.1 ppm Bi (Bismuth); ≤0.1 ppm K (Potassium); ≤0.1 ppm Mg (Magnesium); ≤0.1 ppm Ti (Titanium); ≤0.1 ppm Zr (Zirconium); ≤0.2 ppm Fe (Iron); ≤0.5 ppm Ca (Calcium); ≤0.5 ppm Free chlorine (Cl); ≤0.5 ppm Na (Sodium); ≤0.5 ppm Phosphate (PO₄); ≤1 ppm NH? (Ammonium); ≤1 ppm Sulfate (SO₄); ≤1 ppm Sulfite (SO₃); ≤50 ppm Bromide (Br)
• SMILES string: Cl
• ign. residue: ≤5 ppm (as SO₄)
• color: APHA: ≤10
• pH: <1 (20 °C in H₂O)
• bp: >100 °C (lit.)
• density: 1.19 g/cm³ at 20 °C; 1.2 g/mL at 25 °C (lit.)
• storage temp.: 2-30°C
• InChI: 1S/ClH/h1H
• InChI key: VEXZGXHMUGYJMC-UHFFFAOYSA-N

Description

Application

• 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 β-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).

Analysis Note

Assay (alkalimetric): ≥ 37.0 %
Color: ≤ 10 Hazen
Bromide (Br): ≤ 50 ppm
Free chlorine (Cl): ≤ 0.5 ppm
Phosphate (PO₄): ≤ 0.5 ppm
Sulfate (SO₄): ≤ 1 ppm
Sulfite (SO₃): ≤ 1 ppm
Al (Aluminium): ≤ 0.05 ppm
As (Arsenic): ≤ 0.01 ppm
Ba (Barium): ≤ 0.02 ppm
Be (Beryllium): ≤ 0.02 ppm
Bi (Bismuth): ≤ 0.1 ppm
Ca (Calcium): ≤ 0.5 ppm
Cd (Cadmium): ≤ 0.01 ppm
Co (Cobalt): ≤ 0.01 ppm
Cr (Chromium): ≤ 0.02 ppm
Cu (Copper): ≤ 0.02 ppm
Fe (Iron): ≤ 0.2 ppm
Ge (Germanium): ≤ 0.05 ppm
Hg (Mercury): ≤ 0.001 ppm
K (Potassium): ≤ 0.1 ppm
Li (Lithium): ≤ 0.01 ppm
Mg (Magnesium): ≤ 0.1 ppm
Mn (Manganese): ≤ 0.01 ppm
Mo (Molybdenum): ≤ 0.02 ppm
NH₄ (Ammonium): ≤ 1 ppm
Na (Sodium): ≤ 0.5 ppm
Ni (Nickel): ≤ 0.02 ppm
Pb (Lead): ≤ 0.02 ppm
Sb (Antimony): ≤ 0.002 ppm
Sr (Strontium): ≤ 0.01 ppm
Ti (Titanium): ≤ 0.1 ppm
Tl (Thallium): ≤ 0.05 ppm
V (Vanadium): ≤ 0.01 ppm
Zn (Zinc): ≤ 0.05 ppm
Zr (Zirconium): ≤ 0.1 ppm
Residue on ignition (as SO₄): ≤ 5 ppm

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H290 - H314 - H335
• Precautionary Statements: P234 - P261 - P271 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• 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