Carbon Monoxide

CO

IUPAC: Carbon monoxide

CAS: 630-08-0

Overview

Carbon monoxide is a colorless, odorless, toxic gas produced by incomplete combustion. It binds to hemoglobin 200 times more strongly than oxygen.

Composition

Element Symbol Atoms Atomic Mass
Carbon C 1 12.0110
Oxygen O 1 15.9990

Elemental Composition

C
Carbon ×1
42.9%
O
Oxygen ×1
57.1%

Uses

  • • Chemical synthesis
  • • Metal refining
  • • Fischer-Tropsch process

Fun Facts

  • ✦ CO is called the 'silent killer' because it cannot be detected by human senses

Safety

  • ⚠ Highly toxic
  • ⚠ Flammable
  • ⚠ Odorless — requires detectors

Structure

SMILES

[C-]#[O+]

Properties

Type
oxide
State
gas
Molar Mass
28.01 g/mol
Density
0.0013 g/cm³
Melting Point
-205.0 °C
Boiling Point
-191.5 °C
Solubility
0.0276 g/L at 25°C

Molecular Descriptors

Exact Mass
27.9949
XLogP
0.7
TPSA
1.0 Ų
H-Bond Donors
0
H-Bond Acceptors
1
Rotatable Bonds
0
Heavy Atoms
2
Complexity
10.0

Related Compounds

Aluminum Oxide

Al₂O₃

Antimony Trioxide

Sb₂O₃

Barium Oxide

BaO

Beryllium Oxide

BeO

Bismuth(III) Oxide

Bi₂O₃

Boron Trioxide

B₂O₃

Cadmium Oxide

CdO

Calcium Oxide

CaO

Carbon Dioxide

CO₂

Cerium(IV) Oxide

CeO₂

Frequently Asked Questions

What is Carbon Monoxide?
Carbon Monoxide (CO) is a oxide compound with the IUPAC name Carbon monoxide.
What is the molecular weight of Carbon Monoxide?
Carbon Monoxide has a molar mass of 28.01 g/mol.
What state is Carbon Monoxide at room temperature?
Carbon Monoxide is a gas at room temperature.
Is Carbon Monoxide organic or inorganic?
Carbon Monoxide is classified as an inorganic compound.
What elements make up Carbon Monoxide?
Carbon Monoxide (CO) is composed of Carbon (C), Oxygen (O).