硫酸

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

agency

BP, JPE, NF, Ph. Eur., suitable for EPA 1613

vapor density

<0.3 (25 °C, vs air)

vapor pressure

0.0001 hPa ( 20 °C), 1 mmHg ( 146 °C)

product line

EMPROVE^® ESSENTIAL

assay

95-98% (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

Quality Level

500