1.08495

L-Valine

for biochemistry

• Synonym(s): L-Valine, Val
• CAS Number: 72-18-4
• Molecular Weight: 117.15
• MDL number: MFCD00064220
• UNSPSC Code: 12352209
• EC Index Number: 200-773-6
• NACRES: NA.21

Properties

• Quality Level: 100
• form: solid
• pH: 5.5-6.5 (20 °C, 100 g/L in H₂O)
• mp: 315 °C
• solubility: 85 g/L
• density: 1.23 g/cm³ at 20 °C
• bulk density: 400 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C5H11NO2/c1-3(2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8)
• InChI key: KZSNJWFQEVHDMF-UHFFFAOYSA-N

Description

General description

for biochemistry

Application

L-Valine for biochemistry. CAS 72-18-4, pH 5.5 - 6.5 (100 g/l, H₂O, 20 °C).

Analysis Note

Assay (perchloric acid titration)≥ 99.0 %Identity (IR-spectrum)passes testAppearancewhite, crystalline powder or colorless crystalsAppearance of solution (50 g/l; water)clear and colorlessSpec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l)+23.8 to +24.8Heavy metals (as Pb)≤ 0.001 %NH₄ (Ammonium)≤ 0.01 %Foreign amino acids≤ 0.5 %Other ninhydrine positive substances≤ 0.1 %

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable