Sulfuric acid 98%

vapor density

<0.3 (25 °C vs air)

Quality Level

300

vapor pressure

0.0001 hPa ( 20 °C)
1 mmHg ( 146 °C)

product line

EMSURE^®

Assay

≥98% (alkalimetric)

form

liquid

impurities

≤0.0002% Substances reducing potassium permanganate (as SO₂)

ign. residue

≤0.0005%

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^–): ≤0.00001%
nitrate (NO₃^–): ≤0.00002%
phosphate (PO₄^3-): ≤0.00005%

cation traces

Ag: ≤0.000002%
Al: ≤0.000005%
As: ≤0.000001%
Ba: ≤0.000005%
Be: ≤0.000001%
Bi: ≤0.00001%
Ca: ≤0.00002%
Cd: ≤0.000002%
Co: ≤0.000001%
Cr: ≤0.000005%
Cu: ≤0.000001%
Fe: ≤0.00001%
Ge: ≤0.000005%
K: ≤0.00001%
Li: ≤0.000001%
Mg: ≤0.000005%
Mn: ≤0.000001%
Mo: ≤0.000005%
NH₄⁺: ≤0.0002%
Na: ≤0.00005%
Ni: ≤0.000002%
Pb: ≤0.000002%
Se: ≤0.0001%
Sr: ≤0.000002%
Ti: ≤0.00001%
Tl: ≤0.000005%
V: ≤0.000001%
Zn: ≤0.000005%
Zr: ≤0.00001%

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