Ornithine Aminoacid Powder Pure - 500g

L-Ornithine – Amino Acid (Pure Powder)

Other Names: 2,5-Diaminopentanoic acid, L-Ornithine hydrochloride (if in salt form)
Chemical Formula: C₅H₁₂N₂O₂
Molar Mass: 132.16 g/mol (free base)
CAS Number: 70-26-8 (free base)
Appearance: White crystalline powder
Odor: Odorless

L-Ornithine is a non-proteinogenic α-amino acid involved in the urea cycle and utilized in a variety of chemical, biochemical, and synthesis applications. It contains two amino groups, making it a versatile precursor and functional reagent in chemical reactions and polymer design.

Chemical and Physical Properties

• Density: ~1.75 g/cm³

• Melting Point: Decomposes above 250 °C

• Solubility in Water: Very soluble

• Solubility in Organic Solvents: Slightly soluble in ethanol; practically insoluble in ether

• pKa values:

  • Carboxylic acid: ~2.2

  • Alpha-amino: ~9.0

  • Side-chain amino: ~10.8

• Isoelectric Point (pI): ~9.8

Applications

• Peptide Synthesis: Used as a building block for modified peptides and polymers.

• Organic Synthesis: Intermediate in the preparation of urea derivatives and functionalized amines.

• Biochemical Research: Investigated in metabolic and enzymatic studies.

• Surface Chemistry: Employed in preparation of multifunctional surfaces and bioconjugation strategies.

Safety

This chemical does not meet GHS hazard criteria for 100% (6 of 6) of all reports. Pictograms displayed are for < 0.1% (0 of 6) of reports that indicate hazard statements.

Handling and Storage

• Handling: Avoid generation of dust. Use protective equipment and adequate ventilation during handling.

• Storage: Store in a cool, dry, well-ventilated area in tightly sealed containers. Protect from light and moisture.

Environmental Considerations

Not classified as environmentally hazardous, but release into the environment should be minimized. Dispose of waste in accordance with local environmental regulations.