Sulfuric acid

Agency

BP
JPE
NF
Ph. Eur.

Quality Level

500

vapor density

<0.3 (25 °C vs air)

vapor pressure

0.0001 hPa ( 20 °C)
1 mmHg ( 146 °C)

product line

EMPROVE^® ESSENTIAL

Assay

95-97% (alkalimetric)

form

liquid

concentration

95-98%

technique(s)

API processing | salt formation: suitable

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^–): ≤0.0002%
nitrate (NO₃^–): ≤0.00010%

cation traces

As: ≤0.000010%
Fe: ≤0.0002%
NH₄⁺: ≤0.0005%
Pb: ≤0.0005%
V: ≤0.0002%
heavy metals (as Pb): ≤0.0005%

application(s)

liquid formulation
ophthalmics
pharmaceutical
semi-solid formulation

storage temp.

2-30°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