1.00716

Sulfuric acid

25%, for analysis EMSURE^®

• Synonym(s): Sulfuric acid solution
• Linear Formula: H₂SO₄
• CAS Number: 7664-93-9
• Molecular Weight: 98.08
• Beilstein/REAXYS Number: 2037554
• MDL number: MFCD00064589
• UNSPSC Code: 12352301
• NACRES: NA.21

Properties

• product name: Sulfuric acid 25%, for analysis EMSURE^®
• Quality Level: 300
• product line: EMSURE^®
• form: liquid
• concentration: ≥25% (alkalimetric)
• impurities: ≤0.010 ppm As (Arsenic); ≤0.010 ppm Be (Beryllium); ≤0.010 ppm Co (Cobalt); ≤0.010 ppm Cu (Copper); ≤0.010 ppm Li (Lithium); ≤0.010 ppm Mn (Manganese); ≤0.010 ppm Sr (Strontium); ≤0.010 ppm V (Vanadium); ≤0.020 ppm Ag (Silver); ≤0.020 ppm Cd (Cadmium); ≤0.020 ppm Ni (Nickel); ≤0.020 ppm Pb (Lead); ≤0.050 ppm Al (Aluminium); ≤0.050 ppm Ba (Barium); ≤0.050 ppm Cr (Chromium); ≤0.050 ppm Ge (Germanium); ≤0.050 ppm Mg (Magnesium); ≤0.050 ppm Mo (Molybdenum); ≤0.050 ppm Tl (Thallium); ≤0.100 ppm Bi (Bismuth); ≤0.100 ppm Fe (Iron); ≤0.100 ppm K (Potassium); ≤0.100 ppm Ti (Titanium); ≤0.100 ppm Zn (Zinc); ≤0.100 ppm Zr (Zirconium); ≤0.2 ppm Nitrate (NO₃); ≤0.200 ppm Ca (Calcium); ≤0.5 ppm Chloride (Cl); ≤0.500 ppm Na (Sodium); ≤2 ppm NH? (Ammonium); ≤2 ppm Substances reducing potassium permanganate (as SO₂)
• ign. residue: ≤5 ppm
• color: APHA: ≤10
• bp: 103 °C/1013 hPa
• density: 1.18 g/cm³ at 20 °C
• storage temp.: no temp limit
• SMILES string: OS(O)(=O)=O
• InChI: 1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)
• InChI key: QAOWNCQODCNURD-UHFFFAOYSA-N

Description

Analysis Note

Assay (alkalimetric): ≥ 25.0 %
Colour: ≤ 10 Hazen
Chloride (Cl): ≤ 0.5 ppm
Nitrate (NO₃): ≤ 0.2 ppm
Ag (Silver): ≤ 0.020 ppm
Al (Aluminium): ≤ 0.050 ppm
As (Arsenic): ≤ 0.010 ppm
Ba (Barium): ≤ 0.050 ppm
Be (Beryllium): ≤ 0.010 ppm
Bi (Bismuth): ≤ 0.100 ppm
Ca (Calcium): ≤ 0.200 ppm
Cd (Cadmium): ≤ 0.020 ppm
Co (Cobalt): ≤ 0.010 ppm
Cr (Chromium): ≤ 0.050 ppm
Cu (Copper): ≤ 0.010 ppm
Fe (Iron): ≤ 0.100 ppm
Ge (Germanium): ≤ 0.050 ppm
K (Potassium): ≤ 0.100 ppm
Li (Lithium): ≤ 0.010 ppm
Mg (Magnesium): ≤ 0.050 ppm
Mn (Manganese): ≤ 0.010 ppm
Mo (Molybdenum): ≤ 0.050 ppm
NH₄ (Ammonium): ≤ 2 ppm
Na (Sodium): ≤ 0.500 ppm
Ni (Nickel): ≤ 0.020 ppm
Pb (Lead): ≤ 0.020 ppm
Sr (Strontium): ≤ 0.010 ppm
Ti (Titanium): ≤ 0.100 ppm
Tl (Thallium): ≤ 0.050 ppm
V (Vanadium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.100 ppm
Zr (Zirconium): ≤ 0.100 ppm
Substances reducing potassium permanganate (as SO₂): ≤ 2 ppm
Residue on ignition: ≤ 5 ppm

Legal Information

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

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H290 - H314
• pcodes: P234 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Hazard Classifications: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Storage Class: 8B - Non-combustible, corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable