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Periodic Table/Compounds/Sulfuric Acid

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© Melvin Olsson 2025–2026
Data: IAEA & PubChem

Sulfuric Acid

H₂SO₄·98.079 g/mol·Acids·CID 1118
IndustrialStrong Acid

The world's most produced chemical (~260 million tonnes/year). A strong diprotic acid and powerful dehydrating agent. Central to fertilizer production, petroleum refining, and chemical synthesis.

IUPAC: sulfuric acid

Also known as: Sulphuric acid, 7664-93-9, Dihydrogen sulfate, Dipping acid, Mattling acid (+14 more)

2D structure of Sulfuric Acid

Molecular Structure

Molecular Propertiesmass · H-bonds · stereo

Molecular Weight

98.080g/mol

Exact Mass

97.967380Da

Monoisotopic Mass

97.967380Da

XLogP

-1.4

Polar Surface Area

83.0Ų

Complexity

81

Formal Charge

0

H-Bond Donors

2

H-Bond Acceptors

4

Rotatable Bonds

0

Heavy Atoms

5

Stereo Centers

0

Bond Stereo

0

Drug-Likeness (Lipinski's Rule of Five)

✓ 98.1 g/mol
MW ≤ 500
✓ -1.4
LogP ≤ 5
✓ 2
H-bond donors ≤ 5
✓ 4
H-bond acceptors ≤ 10

Passes all rules — good oral bioavailability predicted

GHS Hazard Classification

Danger
Corrosive
Corrosive
Acute Toxic
Acute Toxic
Health Hazard
Health Hazard
Environmental Hazard
Environmental Hazard
Hazards
  • H314Causes severe skin burns and eye damage
  • H290May be corrosive to metals
  • H318Causes serious eye damage
  • H330Fatal if inhaled
  • H370Causes damage to organs
  • H372Causes damage to organs through prolonged or repeated exposure
  • H402Harmful to aquatic life
  • H410Very toxic to aquatic life with long lasting effects
  • H303May be harmful if swallowed

Source: PubChem GHS Classification. Always consult the SDS for handling.

Chemical IdentifiersSMILES · InChI

InChI

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

Constituent Elements

H
HydrogenZ=1
S
SulfurZ=16
O
OxygenZ=8

Isomers8 compounds with formula H₂SO₄

2D structure of CID 5152822

CID 5152822

CID 5152822 · 98.1 g/mol

2D structure of hydron;sulfate

hydron;sulfate

CID 22066174 · 98.1 g/mol

2D structure of hydrogen sulfate;hydron

hydrogen sulfate;hydron

CID 172995039 · 98.1 g/mol

2D structure of dideuterio sulfate

dideuterio sulfate

CID 160992 · 100.1 g/mol

2D structure of sulfur trioxide;hydrate

sulfur trioxide;hydrate

CID 23035042 · 98.1 g/mol

2D structure of hydroxy hydrogen sulfite

hydroxy hydrogen sulfite

CID 61463 · 98.1 g/mol

2D structure of CID 71374

CID 71374

CID 71374 · 101.0 g/mol

2D structure of CID 11557308

CID 11557308

CID 11557308 · 106.1 g/mol

External Resources

PubChem ↗Wikipedia ↗