DMSO

C₂H₆OS

IUPAC: Dimethyl sulfoxide

CAS: 67-68-5

Overview

DMSO is a powerful solvent that can penetrate skin and carry dissolved substances into the bloodstream. It has a characteristic garlic-like taste.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 6 1.0080
Carbon C 2 12.0110
Oxygen O 1 15.9990
Sulfur S 1 32.0600

Elemental Composition

H
Hydrogen ×6
7.7%
C
Carbon ×2
30.7%
O
Oxygen ×1
20.5%
S
Sulfur ×1
41.0%

Uses

  • • Cryoprotectant
  • • Pharmaceutical solvent
  • • Anti-inflammatory (veterinary)
  • • PCR reagent

Fun Facts

  • ✦ DMSO can make you taste garlic within seconds of skin contact — it penetrates that fast

Safety

  • ⚠ Rapidly absorbed through skin
  • ⚠ Can carry toxins through skin

Structure

SMILES

CS(=O)C

Properties

Type
organic
State
liquid
Molar Mass
78.13 g/mol
Density
1.1000 g/cm³
Melting Point
19.0 °C
Boiling Point
189.0 °C
Solubility
Miscible

Molecular Descriptors

Exact Mass
78.0139
XLogP
-0.6
TPSA
36.3 Ų
H-Bond Donors
0
H-Bond Acceptors
2
Rotatable Bonds
0
Heavy Atoms
4
Complexity
29.0

Related Compounds

1,2-Dichloroethane

C₂H₄Cl₂

1,3-Butadiene

C₄H₆

1,4-Dioxane

C₄H₈O₂

1-Butanol

C₄H₁₀O

2-Propanol

C₃H₈O

Acetaldehyde

CH₃CHO

Acetamide

C₂H₅NO

Acetic Anhydride

C₄H₆O₃

Acetone

(CH₃)₂CO

Acetonitrile

C₂H₃N

Frequently Asked Questions

What is DMSO?
DMSO (C₂H₆OS) is a organic compound with the IUPAC name Dimethyl sulfoxide.
What is the molecular weight of DMSO?
DMSO has a molar mass of 78.13 g/mol.
What state is DMSO at room temperature?
DMSO is a liquid at room temperature.
Is DMSO organic or inorganic?
DMSO is classified as an organic compound.
What elements make up DMSO?
DMSO (C₂H₆OS) is composed of Hydrogen (H), Carbon (C), Oxygen (O), Sulfur (S).