Adipic Acid

C₆H₁₀O₄

IUPAC: Hexanedioic acid

CAS: 124-04-9

Overview

Adipic acid is the most commercially important dicarboxylic acid. It is a key monomer for nylon-6,6 production, combined with hexamethylenediamine. About 2.5 million tonnes are produced annually. It is also a food acidulant imparting a tangy taste.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 10 1.0080
Carbon C 6 12.0110
Oxygen O 4 15.9990

Elemental Composition

H
Hydrogen ×10
6.9%
C
Carbon ×6
49.3%
O
Oxygen ×4
43.8%

Uses

  • • Nylon-6,6 production (with HMDA)
  • • Food acidulant (E355)
  • • Polyurethane production
  • • Plasticizer

Fun Facts

  • ✦ Adipic acid production is the largest industrial source of nitrous oxide, a potent greenhouse gas

Safety

  • ⚠ Low toxicity
  • ⚠ Major source of industrial N₂O emissions

Structure

SMILES

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

Properties

Type
organic
State
solid
Molar Mass
146.14 g/mol
Density
1.3600 g/cm³
Melting Point
152.0 °C
Boiling Point
337.5 °C
Solubility
15 g/L at 15°C

Molecular Descriptors

Exact Mass
146.0579
XLogP
0.1
TPSA
74.6 Ų
H-Bond Donors
2
H-Bond Acceptors
4
Rotatable Bonds
5
Heavy Atoms
10
Complexity
114.0

Also Known As

Adipic acid

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 Adipic Acid?
Adipic Acid (C₆H₁₀O₄) is a organic compound with the IUPAC name Hexanedioic acid.
What is the molecular weight of Adipic Acid?
Adipic Acid has a molar mass of 146.141 g/mol.
What state is Adipic Acid at room temperature?
Adipic Acid is a solid at room temperature.
Is Adipic Acid organic or inorganic?
Adipic Acid is classified as an organic compound.
What elements make up Adipic Acid?
Adipic Acid (C₆H₁₀O₄) is composed of Hydrogen (H), Carbon (C), Oxygen (O).