Maleic Acid

C₄H₄O₄

IUPAC: (Z)-Butenedioic acid

CAS: 110-16-7

概要

Maleic acid is the cis isomer of butenedioic acid and a key industrial chemical. Its anhydride is one of the most important raw materials for unsaturated polyester resins.

組成

元素 記号 原子 原子質量
Hydrogen H 4 1.0080
Carbon C 4 12.0110
Oxygen O 4 15.9990

元素組成

C
41.4%
O
55.1%

用途

  • Polymer production
  • Food acidulant
  • Pharmaceutical ingredient

豆知識

  • Maleic and fumaric acid are geometric isomers with very different properties

安全性

  • ⚠ Irritant
  • ⚠ Harmful if swallowed

Structure

SMILES

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

特性

タイプ
organic
状態
solid
モル質量
116.07 g/mol
密度
1.5900 g/cm³
融点
135.0 °C
溶解度
788 g/L at 25°C

Molecular Descriptors

Exact Mass
116.0110
XLogP
-0.3
TPSA
74.6 Ų
H-Bond Donors
2
H-Bond Acceptors
4
Rotatable Bonds
2
Heavy Atoms
8
Complexity
119.0

Frequently Asked Questions

What is Maleic Acid?
Maleic Acid (C₄H₄O₄) is a organic compound with the IUPAC name (Z)-Butenedioic acid.
What is the molecular weight of Maleic Acid?
Maleic Acid has a molar mass of 116.07 g/mol.
What state is Maleic Acid at room temperature?
Maleic Acid is a solid at room temperature.
Is Maleic Acid organic or inorganic?
Maleic Acid is classified as an organic compound.
What elements make up Maleic Acid?
Maleic Acid (C₄H₄O₄) is composed of Hydrogen (H), Carbon (C), Oxygen (O).