7790-92-3

Name hypochlorous acid
CAS 7790-92-3
EINECS(EC#) 232-232-5
Molecular Formula ClHO
MDL Number MFCD00871734
Molecular Weight 52.4603
MOL File 7790-92-3.mol
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Chemical Properties

Appearance Greenish-yellow aqueous solution. Highly unstable, weak acid. Decomposes to hydrogen chloride and oxygen. Can exist only in dilute solutions.
Boiling point  125-130 °C(Press: 11 Torr)
density  1.1655 g/cm3
solubility  soluble in H2O
form  stable only in solution
pka pK (25°) 7.49
color  green-yellow; stable only in aqueous solution
PH pKa1= 7.47(25℃)
Specific Heat Capacity Cp(gas):0.709112J/(g·K),at 25℃
Henry's Law Constant 6.5×100 mol/(m3Pa) at 25℃, Burkholder et al. (2019)
Cosmetics Ingredients Functions DEODORANT
ANTIMICROBIAL
ANTI-SEBUM
OXIDISING
InChI InChI=1S/ClHO/c1-2/h2H
InChIKey QWPPOHNGKGFGJK-UHFFFAOYSA-N
SMILES ClO
LogP 0.710 (est)
EPA Substance Registry System Hypochlorous acid (7790-92-3)

Safety Data

RIDADR  3139
TSCA  TSCA listed
HazardClass  5.1
PackingGroup  II

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