Catechol

C₆H₆O₂

IUPAC: Benzene-1,2-diol

CAS: 120-80-9

Overview

Catechol is a dihydroxybenzene found in many natural polyphenols. It is used in photography, pharmaceutical synthesis, and as an antioxidant.

Composition

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

Elemental Composition

Hydrogen ×6

5.5%

Carbon ×6

65.4%

Oxygen ×2

29.1%

Uses

• Pharmaceutical synthesis
• Photography developer
• Pesticide intermediate

Fun Facts

✦ The catechol group is found in neurotransmitters dopamine, norepinephrine, and epinephrine

Safety

⚠ Toxic
⚠ Skin sensitizer

Structure

SMILES

C1=CC=C(C(=C1)O)O

Properties

Type: organic
State: solid
Molar Mass: 110.11 g/mol
Density: 1.3440 g/cm³
Melting Point: 105.0 °C
Boiling Point: 245.5 °C
Solubility: 430 g/L at 20°C

Molecular Descriptors

Exact Mass: 110.0368
XLogP: 0.9
TPSA: 40.5 Å²
H-Bond Donors: 2
H-Bond Acceptors: 2
Rotatable Bonds: 0
Heavy Atoms: 8
Complexity: 62.0

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 Catechol?

Catechol (C₆H₆O₂) is a organic compound with the IUPAC name Benzene-1,2-diol.

What is the molecular weight of Catechol?

Catechol has a molar mass of 110.11 g/mol.

What state is Catechol at room temperature?

Catechol is a solid at room temperature.

Is Catechol organic or inorganic?

Catechol is classified as an organic compound.

What elements make up Catechol?

Catechol (C₆H₆O₂) is composed of Hydrogen (H), Carbon (C), Oxygen (O).