1.01833

Sulfuric acid

95-97%, for analysis EMPARTA^® ACS

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

Properties

• product name: Sulfuric acid 95-97%, for analysis EMPARTA^® ACS
• grade: ACS reagent
• Quality Level: 200
• vapor density: <0.3 (25 °C, vs air)
• vapor pressure: 0.0001 hPa ( 20 °C); 1 mmHg ( 146 °C)
• product line: EMPARTA^®
• assay: 95-97% (alkalimetric)
• form: liquid
• impurities: ≤2 ppm Substances reducing potassium permanganate (as SO₂)
• ign. residue: ≤5 ppm
• color: APHA: ≤10
• 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^-): ≤0.2 ppm; nitrate (NO₃^-): ≤0.5 ppm
• cation traces: As: ≤0.01 ppm; Fe: ≤0.2 ppm; Hg: ≤0.005 ppm; NH₄⁺: ≤2 ppm; heavy metals (as Pb): ≤1 ppm
• 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): 95.0 - 97.0 %
Identity: passes test
Appearance: passes test
Color: ≤ 10 Hazen
Chloride (Cl): ≤ 0.2 ppm
Nitrate (NO₃): ≤ 0.5 ppm
Heavy metals (as Pb): ≤ 1 ppm
As (Arsenic): ≤ 0.01 ppm
Fe (Iron): ≤ 0.2 ppm
Hg (Mercury): ≤ 0.005 ppm
NH₄ (Ammonium): ≤ 2 ppm
Substances reducing potassium permanganate (as SO₂): ≤ 2 ppm
Residue on ignition: ≤ 5 ppm

Legal Information

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

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H290 - H314
• pcodes: 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: 8A - Combustible, corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable