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MilliporeSigma
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Key Documents

1.09286

Supelco

Sulfuric acid

40%, for determination of gas metabolism acc. to Knipping

Synonym(s):

Sulfuric acid solution

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About This Item

Linear Formula:
H2SO4
CAS Number:
Molecular Weight:
98.08
Beilstein/REAXYS Number:
2037554
MDL number:
UNSPSC Code:
12352301
NACRES:
NA.21

product name

Sulfuric acid 40%, for determination of gas metabolism acc. to Knipping

Quality Level

form

liquid

concentration

39.5-40.5% (H2SO4)

impurities

≤10 ppm Substances reducing potassium permanganate (as SO2)

pH

<1 (20 °C in H2O, strongly acid)

bp

119 °C/1013 hPa

mp

-68 °C

density

1.30 g/cm3 at 20 °C

storage temp.

15-25°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

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Analysis Note

Assay (alkalimetric): 39.5 - 40.5 %
Substances reducing potassium permanganate (as SO₂): ≤ 10 ppm

pictograms

Corrosion

signalword

Danger

Hazard Classifications

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

Storage Class

8B - Non-combustible, corrosive hazardous materials

wgk_germany

WGK 1


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