Merck
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1.00714

Supelco

Sulfuric acid 96%

Suprapur®

Synonym(s):
Sulfuric acid
Linear Formula:
H2SO4
CAS Number:
Molecular Weight:
98.08
Beilstein:
2037554
MDL number:
EC Index Number:
231-639-5

grade

for inorganic trace analysis

Quality Level

vapor density

<0.3 (25 °C, vs air)

vapor pressure

0.0001 hPa ( 20 °C)
1 mmHg ( 146 °C)

assay

≥95% (acidimetric)
96%

form

liquid

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-): ≤100 ppb
nitrate (NO3-): ≤200 ppb
phosphate (PO43-): ≤100 ppb

cation traces

Ag: ≤1.0 ppb
Al: ≤5.0 ppb
As: ≤0.5 ppb
Au: ≤0.5 ppb
Ba: ≤1.0 ppb
Be: ≤0.5 ppb
Bi: ≤0.5 ppb
Ca: ≤5.0 ppb
Cd: ≤1.0 ppb
Co: ≤0.5 ppb
Cr: ≤1.0 ppb
Cu: ≤0.5 ppb
Fe: ≤5.0 ppb
Ga: ≤0.5 ppb
Ge: ≤1.0 ppb
Hg: ≤2.0 ppb
In: ≤0.5 ppb
K: ≤2.0 ppb
Li: ≤0.5 ppb
Mg: ≤5.0 ppb
Mn: ≤0.5 ppb
Mo: ≤0.5 ppb
NH4+: ≤1.0 ppm
Na: ≤10.0 ppb
Ni: ≤2.0 ppb
Pb: ≤1.0 ppb
Pt: ≤0.5 ppb
Sb: ≤1.0 ppb
Se: ≤1.0 ppb
Sn: ≤1.0 ppb
Sr: ≤0.5 ppb
Ti: ≤1.0 ppb
Tl: ≤0.5 ppb
V: ≤0.5 ppb
Zn: ≤2.0 ppb
Zr: ≤0.5 ppb

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

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Related Categories

Analysis Note

Assay (acidimetric): ≥ 95.0 %
Colour: ≤ 10 Hazen
Chloride (Cl): ≤ 100 ppb
Nitrate (NO₃): ≤ 200 ppb
Phosphate (PO₄): ≤ 100 ppb
Ag (Silver): ≤ 1.0 ppb
Al (Aluminium): ≤ 5.0 ppb
As (Arsenic): ≤ 0.5 ppb
Au (Gold): ≤ 0.5 ppb
Ba (Barium): ≤ 1.0 ppb
Be (Beryllium): ≤ 0.5 ppb
Bi (Bismuth): ≤ 0.5 ppb
Ca (Calcium): ≤ 5.0 ppb
Cd (Cadmium): ≤ 1.0 ppb
Co (Cobalt): ≤ 0.5 ppb
Cr (Chromium): ≤ 1.0 ppb
Cu (Copper): ≤ 0.5 ppb
Fe (Iron): ≤ 5.0 ppb
Ga (Gallium): ≤ 0.5 ppb
Ge (Germanium): ≤ 1.0 ppb
Hg (Mercury): ≤ 2.0 ppb
In (Indium): ≤ 0.5 ppb
K (Potassium): ≤ 2.0 ppb
Li (Lithium): ≤ 0.5 ppb
Mg (Magnesium): ≤ 5.0 ppb
Mn (Manganese): ≤ 0.5 ppb
Mo (Molybdenum): ≤ 0.5 ppb
NH₄ (Ammonium): ≤ 1.0 ppm
Na (Sodium): ≤ 10.0 ppb
Ni (Nickel): ≤ 2.0 ppb
Pb (Lead): ≤ 1.0 ppb
Pt (Platinum): ≤ 0.5 ppb
Sb (Antimony): ≤ 1.0 ppb
Se (Selenium): ≤ 1.0 ppb
Sn (Tin): ≤ 1.0 ppb
Sr (Strontium): ≤ 0.5 ppb
Ti (Titanium): ≤ 1.0 ppb
Tl (Thallium): ≤ 0.5 ppb
V (Vanadium): ≤ 0.5 ppb
Zn (Zinc): ≤ 2.0 ppb
Zr (Zirconium): ≤ 0.5 ppb
Substances reducing potassium permanganate (as SO₂): ≤ 2 ppm
Residue on ignition: ≤ 2 ppm
The actual values are subject to unavoidable systematic
variations in this concentration range.

Legal Information

SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Quality

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