Skip to content
Vinony
English
EnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیहिन्दीไทย한국어中文日本語
hydrogen peroxide

File:Wasserstoffperoxid.svg · Wikimedia Commons · See Wikimedia Commons

EntityQ171877· pop 74· linked from 2,313 articles

hydrogen peroxide

Sign in to save

Also known as H2O2, dioxidane, dihydrogen dioxide, peroxide

chemical compound

OverviewAI-generated

Hydrogen peroxide is a chemical compound with the formula H₂O₂. It has a molecular mass of 34.005 and a density of 1.39. The substance exhibits a melting point of -0.432 and a boiling point of 150.2. Its vapor pressure is 5, and it possesses an ionization energy of 10.54. The pKa value is 11.75, while the standard enthalpy of formation is -136.11 and the standard molar entropy is 109.6.

Physical properties include a kinematic viscosity of 1.245 and an electric dipole moment of 1.573. The compound has an xlogp of -0.9 and a topological polar surface area of 40.5. It contains two hydrogen bond donors and two hydrogen bond acceptors, with a charge of 0. Safety data indicates a time-weighted average exposure limit of 1.4 and an immediately dangerous to life or health level of 104.25.

Synthesized by Vinony from 31 facts across 4 sources: Wikidata, PubChem, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Chemical data

Formula
H2O2
Molecular weight
34.015 g/mol
IUPAC name
hydrogen peroxide
SMILES
OO
InChIKey
MHAJPDPJQMAIIY-UHFFFAOYSA-N
XLogP
-0.9
Polar surface area
40.5 Ų
H-bond donors
2
H-bond acceptors
2
Formal charge
0

via PubChem

Drug data · ChEMBL

Max clinical phase
Approved
Molecule type
Small molecule
First approval
2017
Admin. routes
topical
Indications
infection, injury, tooth disease, dental caries

via ChEMBL · EBI

Research

119,081 papers

via PubMed

Wikidata facts

Subclass of
oxidizing agent
Mass
34.005
Show 21 more facts
NIOSH Pocket Guide ID
0335
Commons category
Hydrogen peroxide
topic's main category
Category:Hydrogen peroxide
canonical SMILES
OO
chemical formula
H₂O₂
density
1.39
immediately dangerous to life or health
104.25
melting point
-0.43
boiling point
150.2
vapor pressure
5
ionization energy
10.54
time-weighted average exposure limit
1.4
pKa
11.75
kinematic viscosity
1.245
standard enthalpy of formation
-136.11
found in taxon
Coffea arabica
subject has role
primary metabolite
medical condition treated
seborrheic keratosis
standard molar entropy
109.6
has characteristic
bitterness
electric dipole moment
1.573
Sources (11)

via Wikidata · CC0

~40 min read

Encyclopedic overview

Names

IUPAC name Hydrogen peroxide

Excerpted from Wikipedia’s “hydrogen peroxide” article, available under the CC BY-SA 4.0 licence.

Gallery (13)

Available in 74 languages

Show 55 more

via Wikidata sitelinks · CC0