2-Hydroxypropanoic acid

Basic Information

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CAS Number

26100-51-6

Molecular Formula

C3H6O3

Molecular Weight

90.08 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

176℃

SMILES

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CC(C(=O)O)O

InChI

InChI=1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)

InChIKey

JVTAAEKCZFNVCJ-UHFFFAOYSA-N

LogP

-0.5482

Topological Polar Surface Area

57.53 Å²

Hydrogen Bond Donor/Acceptor

2 / 3

Complexity

59.1

Synonyms & References

English

Poly(lactic acid)
Polylactic acid
L-PLA
Poly(lactic acid) (High M.Wt.)
3DXMAX™ CFR-PLA carbon fiber reinforced PLA 3D printing filament
lactic acid
2-hydroxypropanoic acid
DL-Lactic acid
2-hydroxypropionic acid
Milk acid
lactate
Ethylidenelactic acid
Propanoic acid, 2-hydroxy-
Tonsillosan
Lactovagan
Acidum lacticum
Racemic lactic acid
Ordinary lactic acid
Milchsaeure
Kyselina mlecna
DL-Milchsaeure
alpha-Hydroxypropionic acid
Lactic acid USP
1-Hydroxyethanecarboxylic acid
Aethylidenmilchsaeure
Milchsaure
Lacticum acidum
Lactic acid (natural)
(+/-)-Lactic acid
Kyselina 2-hydroxypropanova
Milchsau

MDL Number

MFCD00081867

FAQ

What are the physical and chemical properties of 2-Hydroxypropanoic acid (CAS: 26100-51-6)?

2-Hydroxypropanoic acid, also known as lactic acid, is a colorless, syrupy liquid with a molecular weight of approximately 90.08 g/mol. It has a pKa of around 3.86. It is sparingly soluble in water but more soluble in organic solvents. Chemically, it is known for its reactivity in forming esters, amides, and salts. It can also undergo fermentation and can act as a reducing agent.

How is 2-Hydroxypropanoic acid (CAS: 26100-51-6) typically synthesized?

2-Hydroxypropanoic acid, or lactic acid, can be synthesized through fermentation of carbohydrates by certain bacteria, such as Lactobacillus. It can also be prepared by hydration of acetylene or by the reaction of 2-hydroxyethyl chloride with sodium hydroxide. The use of biocatalysts can enhance the selectivity and yield of the product.

What industries use 2-Hydroxypropanoic acid (CAS: 26100-51-6)?

2-Hydroxypropanoic acid, or lactic acid, is widely used in the pharmaceutical industry for the production of drugs, in the food industry as a preservative, in the cosmetic industry as a moisturizer, and in the polymer industry for the synthesis of biodegradable polymers. It is also used in the production of sensors and in the textile industry for treating fabrics.

What precautions should be taken when handling 2-Hydroxypropanoic acid (CAS: 26100-51-6)?

When handling 2-hydroxypropanoic acid, or lactic acid, it is important to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. It should be stored in a cool, dry place away from heat and ignition sources. In case of spill, use appropriate containment and disposal methods as per the Material Safety Data Sheet (MSDS/SDS). Fume hoods should be used when handling the substance to prevent inhalation exposure.