Maleic Anhydride

C₄H₂O₃

IUPAC: Furan-2,5-dione

CAS: 108-31-6

Overview

Maleic anhydride is a key industrial chemical used to make unsaturated polyester resins, coatings, and agricultural chemicals.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 2 1.0080
Carbon C 4 12.0110
Oxygen O 3 15.9990

Elemental Composition

H
Hydrogen ×2
2.1%
C
Carbon ×4
49.0%
O
Oxygen ×3
48.9%

Uses

  • • Unsaturated polyester resin
  • • Coatings
  • • Agricultural chemicals
  • • Lubricant additives

Fun Facts

  • ✦ Annual production exceeds 3 million tonnes, with over half going to polyester resins

Safety

  • ⚠ Corrosive
  • ⚠ Irritant
  • ⚠ Sensitizer

Structure

SMILES

C1=CC(=O)OC1=O

Properties

Type
organic
State
solid
Molar Mass
98.06 g/mol
Density
1.4800 g/cm³
Melting Point
52.8 °C
Boiling Point
202.0 °C
Solubility
decomposes to maleic acid

Molecular Descriptors

Exact Mass
98.0004
XLogP
-0.1
TPSA
43.4 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
7
Complexity
129.0

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 Maleic Anhydride?
Maleic Anhydride (C₄H₂O₃) is a organic compound with the IUPAC name Furan-2,5-dione.
What is the molecular weight of Maleic Anhydride?
Maleic Anhydride has a molar mass of 98.06 g/mol.
What state is Maleic Anhydride at room temperature?
Maleic Anhydride is a solid at room temperature.
Is Maleic Anhydride organic or inorganic?
Maleic Anhydride is classified as an organic compound.
What elements make up Maleic Anhydride?
Maleic Anhydride (C₄H₂O₃) is composed of Hydrogen (H), Carbon (C), Oxygen (O).