1.04506

L-Hydroxyproline

for biochemistry

• Sinonimo/i: L-Hydroxyproline, L(-)-4-Hydroxypyrrolidine-2-carboxylic acid, Hyp
• Formula empirica (notazione di Hill): C₅H₉NO₃
• Numero CAS: 51-35-4
• Peso molecolare: 131.13
• Numero MDL: MFCD00066718
• Codice UNSPSC: 12352209
• Numero indice EU: 200-091-9

Proprietà

• Livello qualitativo: 200
• Stato: solid
• pH: 5.5-6.5 (20 °C, 50 g/L in H₂O)
• Punto di fusione: 274 °C
• Solubilità: 500 g/L
• Densità bulk: 610 kg/m³
• Stringa SMILE: N1C(CC(C1)O)C(=O)O
• InChI: 1S/C5H9NO3/c7-3-1-4(5(8)9)6-2-3/h3-4,6-7H,1-2H2,(H,8,9); PMMYEEVYMWASQN-UHFFFAOYSA-N

Descrizione

Risultati analitici

Assay (perchloric acid titration, calculated on dried substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, crystalline powder or colorless crystals
Appearance of solution (100 g/l, water): clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): -47.5 to -46.0
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.01 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances(as Glycine): ≤ 0.1 %
Methanol (GC): ≤ 0.3 %
Loss on drying (105 °C; 3 h): ≤ 0.4 %

Informazioni sulla sicurezza

• Codice della classe di stoccaggio: 11 - Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 1