1.00714

Sulfuric acid

96%, Suprapur^®

• Synonym(s): Sulfuric acid
• Linear Formula: H₂SO₄
• CAS Number: 7664-93-9
• Molecular Weight: 98.08
• Beilstein: 2037554
• MDL number: MFCD00064589
• UNSPSC Code: 12352301
• EC Index Number: 231-639-5
• NACRES: NA.21

Properties

• Product Name: Sulfuric acid 96%, for inorganic trace analysis, Suprapur^®
• grade: for inorganic trace analysis
• Quality Level: 100
• Agency: suitable for EPA 300
• vapor density: <0.3 (25 °C, vs air)
• vapor pressure: 0.0001 hPa ( 20 °C); 1 mmHg ( 146 °C)
• Assay: ≥95% (acidimetric); 96%
• form: liquid
• pH: 0.3 (25 °C, 49 g/L in H₂O)
• bp: ~290 °C (lit.)
• mp: -20 °C
• density: 1.840 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤100 ppb; nitrate (NO₃^-): ≤200 ppb; phosphate (PO₄^3-): ≤100 ppb
• cation traces: Ag: ≤1.0 ppb; Al: ≤5.0 ppb; As: ≤0.5 ppb; Au: ≤0.5 ppb; Ba: ≤1.0 ppb; Be: ≤0.5 ppb; Bi: ≤0.5 ppb; Ca: ≤5.0 ppb; Cd: ≤1.0 ppb; Co: ≤0.5 ppb; Cr: ≤1.0 ppb; Cu: ≤0.5 ppb; Fe: ≤5.0 ppb; Ga: ≤0.5 ppb; Ge: ≤1.0 ppb; Hg: ≤2.0 ppb; In: ≤0.5 ppb; K: ≤2.0 ppb; Li: ≤0.5 ppb; Mg: ≤5.0 ppb; Mn: ≤0.5 ppb; Mo: ≤0.5 ppb; NH₄⁺: ≤1.0 ppm; Na: ≤10.0 ppb; Ni: ≤2.0 ppb; Pb: ≤1.0 ppb; Pt: ≤0.5 ppb; Sb: ≤1.0 ppb; Se: ≤1.0 ppb; Sn: ≤1.0 ppb; Sr: ≤0.5 ppb; Ti: ≤1.0 ppb; Tl: ≤0.5 ppb; V: ≤0.5 ppb; Zn: ≤2.0 ppb; Zr: ≤0.5 ppb
• SMILES string: OS(O)(=O)=O
• storage temp.: no temp limit
• InChI: 1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)
• InChI key: QAOWNCQODCNURD-UHFFFAOYSA-N

Description

Analysis Note

Assay (acidimetric): ≥ 95.0 %
Colour: ≤ 10 Hazen
Chloride (Cl): ≤ 100 ppb
Nitrate (NO₃): ≤ 200 ppb
Phosphate (PO₄): ≤ 100 ppb
Ag (Silver): ≤ 1.0 ppb
Al (Aluminium): ≤ 5.0 ppb
As (Arsenic): ≤ 0.5 ppb
Au (Gold): ≤ 0.5 ppb
Ba (Barium): ≤ 1.0 ppb
Be (Beryllium): ≤ 0.5 ppb
Bi (Bismuth): ≤ 0.5 ppb
Ca (Calcium): ≤ 5.0 ppb
Cd (Cadmium): ≤ 1.0 ppb
Co (Cobalt): ≤ 0.5 ppb
Cr (Chromium): ≤ 1.0 ppb
Cu (Copper): ≤ 0.5 ppb
Fe (Iron): ≤ 5.0 ppb
Ga (Gallium): ≤ 0.5 ppb
Ge (Germanium): ≤ 1.0 ppb
Hg (Mercury): ≤ 2.0 ppb
In (Indium): ≤ 0.5 ppb
K (Potassium): ≤ 2.0 ppb
Li (Lithium): ≤ 0.5 ppb
Mg (Magnesium): ≤ 5.0 ppb
Mn (Manganese): ≤ 0.5 ppb
Mo (Molybdenum): ≤ 0.5 ppb
NH₄ (Ammonium): ≤ 1.0 ppm
Na (Sodium): ≤ 10.0 ppb
Ni (Nickel): ≤ 2.0 ppb
Pb (Lead): ≤ 1.0 ppb
Pt (Platinum): ≤ 0.5 ppb
Sb (Antimony): ≤ 1.0 ppb
Se (Selenium): ≤ 1.0 ppb
Sn (Tin): ≤ 1.0 ppb
Sr (Strontium): ≤ 0.5 ppb
Ti (Titanium): ≤ 1.0 ppb
Tl (Thallium): ≤ 0.5 ppb
V (Vanadium): ≤ 0.5 ppb
Zn (Zinc): ≤ 2.0 ppb
Zr (Zirconium): ≤ 0.5 ppb
Substances reducing potassium permanganate (as SO₂): ≤ 2 ppm
Residue on ignition: ≤ 2 ppm
The actual values are subject to unavoidable systematic
variations in this concentration range.

Legal Information

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

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H290 - H314
• Precautionary Statements: 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 Code: 8A - Combustible, corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable