1.08374

L-Tryptophan

for biochemistry

• Sinonimo/i: L-Tryptophan, Trp
• Formula empirica (notazione di Hill): C₁₁H₁₂N₂O₂
• Numero CAS: 73-22-3
• Peso molecolare: 204.23
• Numero MDL: MFCD00064340
• Codice UNSPSC: 12352209
• Numero indice EU: 200-795-6
• NACRES: NA.21

Proprietà

• Livello qualitativo: 100
• Forma fisica: solid
• Potenza: 16000 mg/kg LD₅₀, oral (Rat)
• pH: 5.5-7.0 (20 °C, 10 g/L in H₂O)
• Punto di fusione: 290 °C (decomposition)
• Solubilità: 10 g/L
• Densità bulk: 400 kg/m³
• Temperatura di conservazione: 2-30°C
• InChI: 1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15); QIVBCDIJIAJPQS-UHFFFAOYSA-N

Descrizione

Applicazioni

• Biotechnological production of L-Tryptophan: The study by Nefedova et al. explores the molecular mechanisms in metal oxide nanoparticle interactions with L-Tryptophan, highlighting its significance in nanoparticle synthesis, which is crucial for biotechnological applications in pharmaceutical manufacturing and life sciences (Nefedova et al., 2024).

Risultati analitici

Assay (perchloric acid titration, calculated on dried substance): 99.0 - 101.0 %
Identity (IR-spectrum): passes test
Identity (specific rotation): passes test
Spec. rotation (α 20/D, 10 g/l, water, calc. on dried substance): -30.0 to -33.0
Appearance: white to almost white, crystalline or amorphous powder
Appearance of solution (10 g/l, Hydrochloric acid 1 mol/l): clear and colorless
Chloride (Cl): ≤ 200 ppm
Sulfate (SO₄): ≤ 300 ppm
Fe (Iron): ≤ 20 ppm
Ninhydrin-positive substances (LC)(any ninhydrin-positive impurity): ≤ 0.2 %
Ninhydrin-positive substances (LC) (ammonium (570 nm)): ≤ 0.02 %
Ninhydrin-positive substances (LC)(total impurities): ≤ 0.5 %
Loss on drying (105 °C; 3 h): ≤ 0.3 %

Informazioni sulla sicurezza

• Codice della classe di stoccaggio: 13 - Non Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable