Lactic Acid

C₃H₆O₃

IUPAC: 2-Hydroxypropanoic acid

CAS: 50-21-5

Visão geral

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

Composição

Elemento Símbolo Átomos Massa atômica
Hydrogen H 6 1,0080
Carbon C 3 12,0110
Oxygen O 3 15,9990

Composição elemental

C
40,0%
O
53,3%

Usos

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

Curiosidades

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

Segurança

  • ⚠ Irritant at high concentrations

Structure

SMILES

CC(C(=O)O)O

Propriedades

Tipo
organic
Estado
liquid
Massa molar
90,08 g/mol
Densidade
1,2100 g/cm³
Ponto de fusão
18,0 °C
Ponto de ebulição
122,0 °C
Solubilidade
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).