1.09286

Sulfuric acid

40%, for determination of gas metabolism acc. to Knipping

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

Properties

• Product Name: Sulfuric acid 40%, for determination of gas metabolism acc. to Knipping
• Quality Level: 300
• form: liquid
• concentration: 39.5-40.5% (H2SO4)
• impurities: ≤10 ppm Substances reducing potassium permanganate (as SO₂)
• pH: <1 (20 °C in H₂O, strongly acid)
• bp: 119 °C/1013 hPa
• mp: -68 °C
• density: 1.30 g/cm³ at 20 °C
• storage temp.: 15-25°C
• 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): 39.5 - 40.5 %
Substances reducing potassium permanganate (as SO₂): ≤ 10 ppm

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H290 - H314
• Precautionary Statements: P234 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Storage Class Code: 8B - Non-combustible, corrosive hazardous materials
• WGK: WGK 1