l-phenylalanine properties
melting point 270-275 ° c (dec.) (lit.)
specific rotation -34.1 º (c = 2, water, dry basis)
density 1.29
refractive index -34 ° (c = 2, h2o)
fema 3585 | l-phenylalanine
store at rt.
solubility h2o: 0.1 m at 20 ° c, clear, colorless
form powder
acidity coefficient (pka) 2.2 (at 25 ° c)
color white to off-white
ph value 5.0-7.0 (25 ° c, 0.1m in h2o)
water solubility 1-5 g / 100 ml at 25 ºc
merck 14,7271
brn 1910408
stable. incompatible with strong oxidizing agents.