Paracetamol

C₈H₉NO₂

IUPAC: N-(4-Hydroxyphenyl)acetamide

CAS: 103-90-2

Overview

Paracetamol (acetaminophen) is the most commonly used medication for pain and fever worldwide. Its exact mechanism of action remains partially understood.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 9 1.0080
Carbon C 8 12.0110
Nitrogen N 1 14.0070
Oxygen O 2 15.9990

Elemental Composition

H
Hydrogen ×9
6.0%
C
Carbon ×8
63.6%
N
Nitrogen ×1
9.3%
O
Oxygen ×2
21.2%

Uses

  • • Pain relief
  • • Fever reducer
  • • Cold and flu medication

Fun Facts

  • ✦ Despite being used for over 100 years, scientists still do not fully understand how it works

Safety

  • ⚠ Liver toxicity in overdose
  • ⚠ Most common cause of acute liver failure in developed world

Structure

SMILES

CC(=O)NC1=CC=C(C=C1)O

Properties

Type
organic
State
solid
Molar Mass
151.16 g/mol
Density
1.2930 g/cm³
Melting Point
169.0 °C
Solubility
14 g/L at 25°C

Molecular Descriptors

Exact Mass
151.0633
XLogP
0.5
TPSA
49.3 Ų
H-Bond Donors
2
H-Bond Acceptors
2
Rotatable Bonds
1
Heavy Atoms
11
Complexity
139.0

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 Paracetamol?
Paracetamol (C₈H₉NO₂) is a organic compound with the IUPAC name N-(4-Hydroxyphenyl)acetamide.
What is the molecular weight of Paracetamol?
Paracetamol has a molar mass of 151.16 g/mol.
What state is Paracetamol at room temperature?
Paracetamol is a solid at room temperature.
Is Paracetamol organic or inorganic?
Paracetamol is classified as an organic compound.
What elements make up Paracetamol?
Paracetamol (C₈H₉NO₂) is composed of Hydrogen (H), Carbon (C), Nitrogen (N), Oxygen (O).