Hydrogen Peroxide

H₂O₂

IUPAC: Hydrogen peroxide

CAS: 7722-84-1

Overview

Hydrogen peroxide is a strong oxidizer that decomposes into water and oxygen. It is used as a disinfectant, bleach, and rocket propellant.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 2 1.0080
Oxygen O 2 15.9990

Elemental Composition

H
Hydrogen ×2
5.9%
O
Oxygen ×2
94.1%

Uses

  • • Disinfectant
  • • Hair bleach
  • • Rocket propellant
  • • Water treatment

Fun Facts

  • ✦ Bombardier beetles spray near-boiling H₂O₂ at predators — a natural defense mechanism

Safety

  • ⚠ Strong oxidizer
  • ⚠ Corrosive at high concentrations
  • ⚠ Can cause fires

Structure

SMILES

OO

Properties

Type
industrial
State
liquid
Molar Mass
34.01 g/mol
Density
1.4500 g/cm³
Melting Point
-0.4 °C
Boiling Point
150.2 °C
Solubility
Miscible

Molecular Descriptors

Exact Mass
34.0055
XLogP
-0.9
TPSA
40.5 Ų
H-Bond Donors
2
H-Bond Acceptors
2
Rotatable Bonds
0
Heavy Atoms
2
Complexity
0.0

Related Compounds

Ammonium Nitrate

NH₄NO₃

Calcium Chloride

CaCl₂

Iron(II) Sulfate

FeSO₄

Potassium Dichromate

K₂Cr₂O₇

Potassium Permanganate

KMnO₄

Sodium Fluoride

NaF

Sodium Hypochlorite

NaClO

Sodium Silicate

Na₂SiO₃

Zinc Chloride

ZnCl₂

Frequently Asked Questions

What is Hydrogen Peroxide?
Hydrogen Peroxide (H₂O₂) is a industrial compound with the IUPAC name Hydrogen peroxide.
What is the molecular weight of Hydrogen Peroxide?
Hydrogen Peroxide has a molar mass of 34.01 g/mol.
What state is Hydrogen Peroxide at room temperature?
Hydrogen Peroxide is a liquid at room temperature.
Is Hydrogen Peroxide organic or inorganic?
Hydrogen Peroxide is classified as an inorganic compound.
What elements make up Hydrogen Peroxide?
Hydrogen Peroxide (H₂O₂) is composed of Hydrogen (H), Oxygen (O).