Merck
All Photos(1)

339741

Sigma-Aldrich

Sulfuric acid

99.999%

Linear Formula:
H2SO4
CAS Number:
Molecular Weight:
98.08
Beilstein:
2037554
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor density

<0.3 (25 °C, vs air)

Quality Level

vapor pressure

1 mmHg ( 146 °C)

description

Nominally 95-98% H2SO4

assay

99.999%

form

viscous liquid

color

clear

pH

1.2 (5 g/L)

bp

~290 °C (lit.)

density

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)

InChI key

QAOWNCQODCNURD-UHFFFAOYSA-N

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General description

Sulphuric acid may be prepared by catalytic oxidation of sulphur dioxide. It is a very strong electrolyte and has high affinity to water.

Application

Sulfuric acid can be used as a dehydrating agent, catalyst, and active reactant in the chemical industry. It is also used to prepare silica-sulfuric acid composite, which is used as a catalyst in organic synthesis.

Packaging

100, 500, 500 mL
2.5, 3 L

Analysis Note

Purity based on trace metals

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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