硫酸

蒸汽密度

<0.3 (25 °C, vs air)

蒸汽压

1 mmHg ( 146 °C)

描述

Nominally 95-98% H₂SO₄

等级

puriss.

方案

95-97%

表单

solution

质量

meets analytical specification of Ph. Eur., BP

杂质

≤0.0002% KMnO₄ red. matter (as O)
≤5 ppm heavy metals (as Pb)

灼烧残渣

≤0.0005%

沸点

~290 °C (lit.)

密度

1.840 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl^-): ≤1 ppm
nitrate (NO₃^-): ≤0.0001%

痕量阳离子

As: ≤0.1 ppm
Ca: ≤0.001%
Cd: ≤0.0005%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤2 ppm
K: ≤0.005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Na: ≤0.005%
Pb: ≤0.0005%
Zn: ≤0.0005%

适用性

complies for appearance of solution

SMILES字符串

OS(O)(=O)=O

InChI

1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)

InChI key

QAOWNCQODCNURD-UHFFFAOYSA-N