Merck 107256 0025 Phenylalanine For Biochemistry 25 GR.

53,22€ ( KDV Dahil )

L-Phenylalanine for biochemistry. CAS 63-91-2, pH 5.4 – 6.0 (10 g/l, H₂O, 20 °C).

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Description
Catalogue Number	107256
Synonyms	Phe, 2-Amino-3-phenylpropionic acid

Applications
Application	L-Phenylalanine for biochemistry. CAS 63-91-2, pH 5.4 – 6.0 (10 g/l, H₂O, 20 °C).

Physicochemical Information
Density	1.34 g/cm3 (20 °C)
Melting Point	270 – 284 °C (decomposition)
pH value	5.0 – 7 (16.5 g/l, H₂O, 25 °C)
Vapor pressure	<1 Pa (25 °C)
Bulk density	580 kg/m3
Solubility	27 g/l

Safety Information according to GHS
RTECS	AY7535000
Storage class	10 – 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Specifications
Assay (perchloric acid titration, calculated on dried substance)	99.0 – 101.0 %
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 %

Merck 107256 0025 Phenylalanine For Biochemistry 25 GR.