Dimethyl Sulfoxide

C₂H₆OS

IUPAC: Dimethyl sulfoxide

CAS: 67-68-5

Overview

DMSO is a powerful polar aprotic solvent that can penetrate biological membranes. It is used in cryopreservation, pharmaceutical compounding, and as a paint stripper.

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

Hydrogen ×6

7.7%

Carbon ×2

30.7%

Oxygen ×1

20.5%

Sulfur ×1

41.0%

Uses

• Cryopreservation
• Pharmaceutical solvent
• Veterinary anti-inflammatory
• Chemical reaction solvent

Fun Facts

✦ Can carry dissolved substances through the skin into the bloodstream within seconds

Safety

⚠ Carries dissolved chemicals 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 Å²
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 Dimethyl Sulfoxide?

Dimethyl Sulfoxide (C₂H₆OS) is a organic compound with the IUPAC name Dimethyl sulfoxide.

What is the molecular weight of Dimethyl Sulfoxide?

Dimethyl Sulfoxide has a molar mass of 78.13 g/mol.

What state is Dimethyl Sulfoxide at room temperature?

Dimethyl Sulfoxide is a liquid at room temperature.

Is Dimethyl Sulfoxide organic or inorganic?

Dimethyl Sulfoxide is classified as an organic compound.

What elements make up Dimethyl Sulfoxide?

Dimethyl Sulfoxide (C₂H₆OS) is composed of Hydrogen (H), Carbon (C), Oxygen (O), Sulfur (S).