Citric Acid

C₆H₈O₇

IUPAC: 2-Hydroxypropane-1,2,3-tricarboxylic acid

CAS: 77-92-9

Übersicht

Citric acid is a weak organic acid found in citrus fruits. It is a key intermediate in the Krebs cycle and the most widely used food acid.

Zusammensetzung

Element Symbol Atome Atommasse
Hydrogen H 8 1,0080
Carbon C 6 12,0110
Oxygen O 7 15,9990

Elementare Zusammensetzung

H
Hydrogen ×8
4,2%
C
Carbon ×6
37,5%
O
Oxygen ×7
58,3%

Verwendung

  • • Food acidulant
  • • Preservative
  • • Cleaning agent
  • • Pharmaceutical

Wissenswertes

  • ✦ Over 2 million tonnes of citric acid are produced annually, mostly by fermentation of Aspergillus niger mold

Sicherheit

  • ⚠ Mild irritant

Structure

SMILES

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

Eigenschaften

Typ
organic
Zustand
solid
Molmasse
192,12 g/mol
Dichte
1,6600 g/cm³
Schmelzpunkt
153,0 °C
Siedepunkt
175,0 °C
Löslichkeit
1330 g/L at 20°C

Molecular Descriptors

Exact Mass
192,0270
XLogP
-1,7
TPSA
132,0 Ų
H-Bond Donors
4
H-Bond Acceptors
7
Rotatable Bonds
5
Heavy Atoms
13
Complexity
227,0

Verwandte Verbindungen

Caffeine

C₈H₁₀N₄O₂

Coumarin

C₉H₆O₂

Acetone

(CH₃)₂CO

Acrylic Acid

C₃H₄O₂

Cysteine

C₃H₇NO₂S

DDT

C₁₄H₉Cl₅

Alanine

C₃H₇NO₂

Diazepam

C₁₆H₁₃ClN₂O

Dichloromethane

CH₂Cl₂

Butane

C₄H₁₀

Frequently Asked Questions

What is Citric Acid?
Citric Acid (C₆H₈O₇) is a organic compound with the IUPAC name 2-Hydroxypropane-1,2,3-tricarboxylic acid.
What is the molecular weight of Citric Acid?
Citric Acid has a molar mass of 192.12 g/mol.
What state is Citric Acid at room temperature?
Citric Acid is a solid at room temperature.
Is Citric Acid organic or inorganic?
Citric Acid is classified as an organic compound.
What elements make up Citric Acid?
Citric Acid (C₆H₈O₇) is composed of Hydrogen (H), Carbon (C), Oxygen (O).