Citric Acid

C₆H₈O₇

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

CAS: 77-92-9

개요

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.

구성

원소 기호 원자 원자 질량
Hydrogen H 8 1.0080
Carbon C 6 12.0110
Oxygen O 7 15.9990

원소 구성

C
37.5%
O
58.3%

용도

  • Food acidulant
  • Preservative
  • Cleaning agent
  • Pharmaceutical

흥미로운 사실

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

안전

  • ⚠ Mild irritant

Structure

SMILES

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

성질

유형
organic
상태
solid
몰 질량
192.12 g/mol
밀도
1.6600 g/cm³
녹는점
153.0 °C
끓는점
175.0 °C
용해도
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

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).