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L-Tryptofan Aminokwas Trp >98% - 10g
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L-Tryptophan – Amino Acid (Trp) >98%
Other Names: Tryptophan, L-(+)-Tryptophan
Chemical Formula: C₁₁H₁₂N₂O₂
Molar Mass: 204.23 g/mol
CAS Number: 73-22-3
Appearance: White to off-white crystalline powder
Odor: Odorless or faintly characteristic
L-Tryptophan is an aromatic α-amino acid with an indole functional group. It is widely used in chemical synthesis, biochemical research, and material science applications.
Chemical and Physical Properties
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Density: ~1.34 g/cm³
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Melting Point: 289 °C (decomposes)
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Solubility in Water: Slightly soluble (~11.4 g/L at 25 °C)
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Solubility in Other Solvents: Slightly soluble in alcohol; insoluble in ether
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pKa values: 2.38 (carboxylic acid), 9.39 (amino group)
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Isoelectric Point (pI): ~5.89
Applications
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Organic Synthesis: Used as a chiral starting material or intermediate in the synthesis of complex organic compounds.
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Biochemical Research: Investigated in studies of enzyme-substrate interactions, protein folding, and metabolic pathways.
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Materials Science: Explored as a component in the development of functionalized polymers and optical sensors.
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Analytical Chemistry: Used in HPLC calibration and amino acid quantification methods.
Safety
Not Classified
Reported as not meeting GHS hazard criteria by 222 of 225 companies (only 1.3% companies provided GHS information)
Handling and Storage
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Handling: Avoid formation of dust. Use in a well-ventilated area with proper PPE.
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Storage: Store in a tightly sealed container in a cool, dry place. Protect from light and moisture.
Environmental Considerations
Low environmental hazard under standard laboratory usage. Prevent excessive release into soil or water. Dispose of waste in accordance with local environmental protection regulations.
