84736

Sulfuric acid solution

puriss. p.a., ≥25% (T)

• Linear Formula: H₂SO₄
• CAS Number: 7664-93-9
• Molecular Weight: 98.08
• Beilstein/REAXYS Number: 2037554
• MDL number: MFCD00064589
• UNSPSC Code: 12352106
• PubChem Substance ID: 329769318
• NACRES: NA.21

Properties

• grade: puriss. p.a.
• Quality Level: 200
• form: liquid
• concentration: ≥25% (T)
• impurities: ≤0.0008% KMnO₄-reducing matter (as O)
• ign. residue: ≤0.0005%
• density: 1.80-1.84 g/cm³
• anion traces: chloride (Cl^-): ≤0.5 mg/kg; nitrate (NO₃^-): ≤0.2 mg/kg
• cation traces: Ag: ≤0.02 mg/kg; Al: ≤0.05 mg/kg; As: ≤0.01 mg/kg; Ba: ≤0.05 mg/kg; Bi: ≤0.1 mg/kg; Ca: ≤0.2 mg/kg; Cd: ≤0.02 mg/kg; Co: ≤0.01 mg/kg; Cr: ≤0.05 mg/kg; Cu: ≤0.01 mg/kg; Fe: ≤0.1 mg/kg; K: ≤0.1 mg/kg; Li: ≤0.01 mg/kg; Mg: ≤0.05 mg/kg; Mn: ≤0.01 mg/kg; Mo: ≤0.05 mg/kg; NH₄⁺: ≤2 mg/kg; Na: ≤0.5 mg/kg; Ni: ≤0.02 mg/kg; Pb: ≤0.02 mg/kg; Sr: ≤0.01 mg/kg; Tl: ≤0.05 mg/kg; Zn: ≤0.1 mg/kg
• 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

General description

Sulfuric acid is a strong mineral acid. It participates as a medium in the anodic oxidation of aniline at a platinum electrode. Anodic oxidation has been reported to proceed via a free radical mechanism and octamer emeraldimine has been obtained as a major product.

Application

Sulfuric acid solution has been used as a solvent for the preparation of 1M xylenol orange and 2.5mM ammonium ferrous sulfate solution in a study.

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H290,H314
• pcodes: P280 - P301 + P330 + P331 - P303 + P361 + P353 - P305 + P351 + P338 + P310
• Hazard Classifications: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable