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Supelco

Schwefelsäure

for the determination of nitrogen, ≥97.0%

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About This Item

Lineare Formel:
H2SO4
CAS-Nummer:
7664-93-9
Molekulargewicht:
98.08
Beilstein:
2037554
EG-Nummer:
231-639-5
MDL-Nummer:
MFCD00064589
UNSPSC-Code:
12000000
PubChem Substanz-ID:
329769317
NACRES:
NA.21

Qualität

for inorganic trace analysis
for the determination of nitrogen

Qualitätsniveau

100

Agentur

suitable for SM 4500 - NH3

Dampfdichte

<0.3 (25 °C, vs air)

Dampfdruck

1 mmHg ( 146 °C)

Beschreibung

Nominally 95-98% H2SO4

Assay

≥97.0%

Form

liquid

Verunreinigungen

≤0.0005% total nitrogen (N)

Glührückstand (900 °C)

≤0.0005%

Farbe

clear

bp

~290 °C (lit.)

Dichte

1.840 g/mL at 25 °C (lit.)

SMILES String

OS(O)(=O)=O

InChI

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

InChIKey

QAOWNCQODCNURD-UHFFFAOYSA-N

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Allgemeine Beschreibung

Sulfuric acid can be produced by dry distillation of iron sulfate heptahydrate, copper sulfate pentahydrate. When these compounds were heated they decompose to form iron and copper oxides eliminating water and sulphur trioxide which combine together to form dilute solution of sulphuric acid. It is suitable as dehydrating agent, catalyst, active reactant in chemical industry. It is also suitable to control pH of saline solutions to strong fuming acids.

Anwendung

Sulfuric acid may be used as digestive reagent in Kjeldahl method to determine nitrogen.

Piktogramme

Corrosion
GHS05

Signalwort

Danger

H-Sätze

H290 - H314

Gefahreneinstufungen

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

Lagerklassenschlüssel

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Analysenzertifikate (COA)

Lot/Batch Number
STBK7768
STBK9218
STBK7767
STBK5346
STBK5345

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Navin G. Ashar, Kiran R. Golwalkar
A Practical Guide to the Manufacture of Sulfuric Acid, Oleums, and Sulfonating Agents (2013)
Nitrogen determination by a continuous digestion and analysis system.
Ferrari, Andres.
Annals of the New York Academy of Sciences, 87, 792-800 (1960)
Francesco Riccobono et al.
Science (New York, N.Y.), 344(6185), 717-721 (2014-05-17)
Atmospheric new-particle formation affects climate and is one of the least understood atmospheric aerosol processes. The complexity and variability of the atmosphere has hindered elucidation of the fundamental mechanism of new-particle formation from gaseous precursors. We show, in experiments performed
Andreas Recke et al.
Journal of immunology (Baltimore, Md. : 1950), 193(4), 1600-1608 (2014-07-16)
Subepidermal autoimmune blistering dermatoses (AIBD) are prototypic autoantibody-mediated diseases. In epidermolysis bullosa acquisita (EBA), an autoimmune disease with severe and chronic skin blistering, autoantibodies are directed against type VII collagen. IgG is the predominant autoantibody isotype of EBA, the pathogenicity
João Almeida et al.
Nature, 502(7471), 359-363 (2013-10-08)
Nucleation of aerosol particles from trace atmospheric vapours is thought to provide up to half of global cloud condensation nuclei. Aerosols can cause a net cooling of climate by scattering sunlight and by leading to smaller but more numerous cloud
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