1.07256
L-Phenylalanine
for biochemistry
Synonym(s):
L-Phenylalanine, Phe, 2-Amino-3-phenylpropionic acid
About This Item
Recommended Products
vapor pressure
<1 Pa ( 25 °C)
Quality Level
form
solid
pH
5.4-6.0 (20 °C, 10 g/L in H2O)
mp
275-283 °C (decomposition)
solubility
27 g/L
density
1.34 g/cm3 at 20 °C
bulk density
580 kg/m3
storage temp.
2-30°C
InChI
1S/C9H11NO2/c10-8(9(11)12)6-7-4-2-1-3-5-7/h1-5,8H,6,10H2,(H,11,12)
InChI key
COLNVLDHVKWLRT-UHFFFAOYSA-N
Analysis Note
Identity (IR-spectrum): passes test
Identity (specific rotation): passes test
Appearance: white to almost white, crystalline powder
Appearance of solution (50 g/l, hydrochloric acid 1 mol/l): clear and colorless
Spec. rotation (α 20/D, 20 g/l, water, calc. on dried substance): -33,0 to -35,5
Chloride (Cl): ≤ 200 ppm
Sulfate (SO₄): ≤ 300 ppm
Al (Aluminium): ≤ 5 ppm
As (Arsenic): ≤ 5 ppm
Ca (Calcium): ≤ 10 ppm
Co (Cobalt): ≤ 5 ppm
Fe (Iron): ≤ 5 ppm
K (Potassium): ≤ 5 ppm
Mg (Magnesium): ≤ 5 ppm
Na (Sodium): ≤ 50 ppm
Zn (Zinc): ≤ 5 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 %
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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