Sulfuric acid

H2O4SCAS 7664-93-998.07 g/mol

OSOHOOH

Properties

Molecular formula
H2O4S
Molar mass
98.07 g/mol
Exact mass
97.9674 Da
Density
1.8 g/mL
Melting point
10.31 °C
Boiling point
290 °C
pKa
1.92 (25 °C)
Water solubility
miscible
logP
-0.65Crippen estimate
Polar surface area
74.6 Ų
H-bond donors / acceptors
2 / 2
Rotatable bonds
0

Hazards

Danger
Corrosive (GHS05)

Harmonised EU classification (CLP Annex VI), via PubChem.

Precautionary statements

P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, P501

Identifiers

CAS number
7664-93-9
SMILES
O=S(=O)(O)O
InChIKey
QAOWNCQODCNURD-UHFFFAOYSA-N
InChI
InChI=1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)

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Names and synonyms

18 names · show all
  • BOV
  • Dipping acid
  • Oil of vitriol
  • Sulphuric acid
  • Vitriol brown oil
  • Dihydrogen sulfate
  • Contact acid
  • Brimstone acid
  • NSC 248648
  • NSC 38965
  • Ridolene 123
  • Aftec 3000
  • Sulfuric acids
  • Alkyl sulfates
  • Top lucina HV-QB
  • ADWL 02
  • Top ADD 100
  • Exodo

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 7664-93-9. Each row opens the sheet with its composition and PDF.

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Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Elsewhere