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Merck

84736

Sulfuric acid solution

puriss. p.a., ≥25% (T)

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About This Item

Linear Formula:
H2SO4
CAS Number:
Molecular Weight:
98.08
UNSPSC Code:
12352106
NACRES:
NA.21
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
2037554
Concentration:
≥25% (T)
Form:
liquid
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grade

puriss. p.a.

Quality Segment

form

liquid

concentration

≥25% (T)

impurities

≤0.0008% KMnO4-reducing matter (as O)

ign. residue

≤0.0005%

density

1.80-1.84 g/cm3

anion traces

chloride (Cl-): ≤0.5 mg/kg, nitrate (NO3-): ≤0.2 mg/kg

cation traces

Ag: ≤0.02 mg/kg, Al: ≤0.05 mg/kg, As: ≤0.01 mg/kg, Ba: ≤0.05 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤0.2 mg/kg, Cd: ≤0.02 mg/kg, Co: ≤0.01 mg/kg, Cr: ≤0.05 mg/kg, Cu: ≤0.01 mg/kg, Fe: ≤0.1 mg/kg, K: ≤0.1 mg/kg, Li: ≤0.01 mg/kg, Mg: ≤0.05 mg/kg, Mn: ≤0.01 mg/kg, Mo: ≤0.05 mg/kg, NH4+: ≤2 mg/kg, Na: ≤0.5 mg/kg, Ni: ≤0.02 mg/kg, Pb: ≤0.02 mg/kg, Sr: ≤0.01 mg/kg, Tl: ≤0.05 mg/kg, Zn: ≤0.1 mg/kg

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

General description

Sulfuric acid is a strong mineral acid. It participates as a medium in the anodic oxidation of aniline at a platinum electrode. Anodic oxidation has been reported to proceed via a free radical mechanism and octamer emeraldimine has been obtained as a major product.

Application

Sulfuric acid solution has been used as a solvent for the preparation of 1M xylenol orange and 2.5mM ammonium ferrous sulfate solution in a study.


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pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

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

flash_point_f

Not applicable

flash_point_c

Not applicable

Storage Class

8B - Non-combustible corrosive hazardous materials



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