L-Aspartic acid
- CAS NO. : 56-84-8
- CAT NO. : BC-AAP-6848
Physical State: Solid (powder)
Color/Appearance: White
Boiling Point: 245.59 °C (rough estimate)
Melting Point: >300 °C (decomposition)
Density: 1.66 g/mL
Bulk Density: 430 kg/m³
Refractive Index: 1.4540 (estimated)
Solubility: 5 mg/mL in water
pH: 2.5–3.5 (4 g/L, 20 °C)
Storage Conditions: Store below +30 °C
Odor: Odorless, slightly acidic taste
Acidity Constant (pKa): 1.99 at 25 °C
Specific Rotation: [α]₂₅ᴰ = 8° (c = 8, 6 N HCl)
Molecular Formula: C₄H₇NO₄
Molecular Weight: 133.1 g/mol
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