Sulfuric acid

产品名称

95-97%硫磺酸, for analysis EMSURE^® ISO

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

reag. ISO

vapor density

<0.3 (25 °C, vs air)

vapor pressure

0.0001 hPa ( 20 °C), 1 mmHg ( 146 °C)

product line

EMSURE^®

assay

95-97% (alkalimetric)

form

liquid

Quality Level

300

concentration

95-97%

pH

0.3 (25 °C, 49 g/L in H₂O)

bp

~290 °C (lit.)

mp

-20 °C

solubility

water: soluble

density

 1.834 -1.837 g/cm³ at 20 °C, 1.840 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤0.1 ppm, nitrate (NO₃^-): ≤0.2 ppm, phosphate (PO₄^3-): ≤0.5 ppm

cation traces

Ag: ≤0.010 ppm, Al: ≤0.050 ppm, As: ≤0.010 ppm, Au: ≤0.050 ppm, B: ≤0.050 ppm, Ba: ≤0.050 ppm, Be: ≤0.010 ppm, Bi: ≤0.050 ppm, Ca: ≤0.1 ppm, Cd: ≤0.01 ppm, Co: ≤0.01 ppm, Cr: ≤0.020 ppm, Cu: ≤0.01 ppm, Fe: ≤0.1 ppm, Ga: ≤0.05 ppm, Ge: ≤0.02 ppm, In: ≤0.05 ppm, K: ≤0.1 ppm, Li: ≤0.01 ppm, Mg: ≤0.05 ppm, Mn: ≤0.01 ppm, Mo: ≤0.02 ppm, NH₄⁺: ≤1 ppm, Na: ≤0.3 ppm, Ni: ≤0.02 ppm, Pb: ≤0.01 ppm, Pt: ≤0.1 ppm, Sn: ≤0.05 ppm, Sr: ≤0.01 ppm, Ti: ≤0.02 ppm, Tl: ≤0.02 ppm, V: ≤0.01 ppm, Zn: ≤0.05 ppm, Zr: ≤0.02 ppm

storage temp.

no temp limit