Citric Acid

C₆H₈O₇

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

CAS: 77-92-9

概要

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.

組成

元素 記号 原子 原子質量
Hydrogen H 8 1.0080
Carbon C 6 12.0110
Oxygen O 7 15.9990

元素組成

H
Hydrogen ×8
4.2%
C
Carbon ×6
37.5%
O
Oxygen ×7
58.3%

用途

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

豆知識

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

安全性

  • ⚠ Mild irritant

Structure

SMILES

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

特性

タイプ
organic
状態
solid
モル質量
192.12 g/mol
密度
1.6600 g/cm³
融点
153.0 °C
沸点
175.0 °C
溶解度
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

関連化合物

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).