All Photos(1)
Synonym(s):
L-Valine, Val
CAS Number:
Molecular Weight:
117.15
MDL number:
UNSPSC Code:
12352209
EC Index Number:
200-773-6
NACRES:
NA.21
Recommended Products
Quality Level
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
Related Categories
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 %
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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