Acetic Anhydride

C₄H₆O₃

IUPAC: Ethanoic anhydride

CAS: 108-24-7

Overview

Acetic anhydride is a versatile acetylating agent essential for producing aspirin, cellulose acetate, and heroin. It is a closely monitored chemical.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 6 1.0080
Carbon C 4 12.0110
Oxygen O 3 15.9990

Elemental Composition

H
Hydrogen ×6
5.9%
C
Carbon ×4
47.1%
O
Oxygen ×3
47.0%

Uses

  • • Aspirin manufacture
  • • Cellulose acetate production
  • • Chemical acetylation
  • • Textile sizing

Fun Facts

  • ✦ Monitored internationally because it is needed to convert morphine into heroin

Safety

  • ⚠ Corrosive
  • ⚠ Flammable
  • ⚠ Lachrymator

Structure

SMILES

CC(=O)OC(=O)C

Properties

Type
organic
State
liquid
Molar Mass
102.09 g/mol
Density
1.0820 g/cm³
Melting Point
-73.1 °C
Boiling Point
140.0 °C
Solubility
reacts

Molecular Descriptors

Exact Mass
102.0317
XLogP
-0.1
TPSA
43.4 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
2
Heavy Atoms
7
Complexity
83.0

Related Compounds

1,2-Dichloroethane

C₂H₄Cl₂

1,3-Butadiene

C₄H₆

1,4-Dioxane

C₄H₈O₂

1-Butanol

C₄H₁₀O

2-Propanol

C₃H₈O

Acetaldehyde

CH₃CHO

Acetamide

C₂H₅NO

Acetone

(CH₃)₂CO

Acetonitrile

C₂H₃N

Acetylene

C₂H₂

Frequently Asked Questions

What is Acetic Anhydride?
Acetic Anhydride (C₄H₆O₃) is a organic compound with the IUPAC name Ethanoic anhydride.
What is the molecular weight of Acetic Anhydride?
Acetic Anhydride has a molar mass of 102.09 g/mol.
What state is Acetic Anhydride at room temperature?
Acetic Anhydride is a liquid at room temperature.
Is Acetic Anhydride organic or inorganic?
Acetic Anhydride is classified as an organic compound.
What elements make up Acetic Anhydride?
Acetic Anhydride (C₄H₆O₃) is composed of Hydrogen (H), Carbon (C), Oxygen (O).