Lactic Acid

C₃H₆O₃

IUPAC: 2-Hydroxypropanoic acid

CAS: 50-21-5

概要

Lactic acid is produced during anaerobic metabolism in muscles and by bacteria during fermentation. It gives yogurt and sauerkraut their sour taste.

組成

元素 記号 原子 原子質量
Hydrogen H 6 1.0080
Carbon C 3 12.0110
Oxygen O 3 15.9990

元素組成

C
40.0%
O
53.3%

用途

  • Food acidulant
  • Biodegradable plastics (PLA)
  • Skin care (AHA)
  • Yogurt/cheese production

豆知識

  • Contrary to popular belief, lactic acid does not directly cause muscle soreness — that's from micro-tears in muscle fibers

安全性

  • ⚠ Irritant at high concentrations

Structure

SMILES

CC(C(=O)O)O

特性

タイプ
organic
状態
liquid
モル質量
90.08 g/mol
密度
1.2100 g/cm³
融点
18.0 °C
沸点
122.0 °C
溶解度
Miscible

Molecular Descriptors

Exact Mass
90.0317
XLogP
-0.7
TPSA
57.5 Ų
H-Bond Donors
2
H-Bond Acceptors
3
Rotatable Bonds
1
Heavy Atoms
6
Complexity
59.0

Frequently Asked Questions

What is Lactic Acid?
Lactic Acid (C₃H₆O₃) is a organic compound with the IUPAC name 2-Hydroxypropanoic acid.
What is the molecular weight of Lactic Acid?
Lactic Acid has a molar mass of 90.08 g/mol.
What state is Lactic Acid at room temperature?
Lactic Acid is a liquid at room temperature.
Is Lactic Acid organic or inorganic?
Lactic Acid is classified as an organic compound.
What elements make up Lactic Acid?
Lactic Acid (C₃H₆O₃) is composed of Hydrogen (H), Carbon (C), Oxygen (O).