L-walina

L-Valine

Other names: L-Valine, L-2-amino-3-methylbutanoic acid, (S)-2-amino-3-methylbutanoic acid

CAS Number: 72-18-4

EC Number: 200-773-6

Molecular formula: C5H11NO2

Molar mass: 117.15 g/mol

Appearance: white crystalline powder or crystals

Odour: odourless or with a very faint characteristic odour

L-Valine is an organic chemical compound belonging to the group of amino acids. It is the optically active form of valine and contains both an amino group and a carboxyl group in its structure. Due to its chemical properties, it is used as a laboratory reagent, a raw material for organic synthesis, and a component of various technical and research formulations.

Chemical and physical properties:

Melting point / sublimation: approximately 295–300°C

Boiling point: not applicable under standard conditions; the substance may decompose at high temperatures

Flash point: not applicable

Vapour pressure: very low at room temperature

Solubility in water: soluble

Solubility in other solvents: solubility depends on the solvent type and pH; soluble in dilute acidic solutions

Applications:

Chemical synthesis:

Used as a starting material and intermediate in organic synthesis, including the preparation of amino acid derivatives, peptides, and other compounds containing amino and carboxyl functional groups.

Laboratory applications:

Used as a chemical reagent, reference material, and component of mixtures used in analytical, research, and development work.

Biochemical research:

May be used in studies involving amino acids, peptides, proteins, and biochemical processes as a reference substance or as a component of laboratory solutions and mixtures.

Technical formulations:

May be used as a component of selected technical formulations and chemical mixtures where properties characteristic of amino acids are required.

Key properties:

Amino acid structure: contains both an amino group and a carboxyl group, giving it the characteristic chemical properties of amino acids.

Optical activity: L-Valine is the optically active enantiomer of valine.

Crystalline form: occurs as a white crystalline powder or crystals.

Water solubility: enables the preparation of aqueous solutions for laboratory and technical applications.

Storage:

The product should be stored in a tightly closed container in a cool, dry, and well-ventilated place.

Protect from moisture, direct sunlight, and incompatible materials.

Keep away from strong oxidising agents and sources of high temperature.

Handling:

Avoid contact with eyes.

Avoid generating and inhaling dust.

Use appropriate personal protective equipment during handling, including protective gloves and eye protection.

Wash hands thoroughly after handling.

The product is intended exclusively for technical, laboratory, and research applications. It is not intended for consumption, medical, pharmaceutical, cosmetic, or animal feed applications.