L - Alanine

About L - Alanine

LC255 L-Alaninefor biochemistry Order number Packaging Quantity Price AC27255 Plastic bottle 25 g 17.60 AC27255 Plastic bottle 100 g 46.35 AC27255 Plastic bottle 1 kg 283 AC27255 Plastic bottle 10 kg Inquire Product information Synonyms 2-Aminopropionic acid, Ala Hill Formula C3H7NO2 HS Code 2922 49 85 EC number 200-273-8 Molar mass 89.09 g/mol CAS number 56-41-7 Chemical and physical data Solubility 166.5 g/l (25 C) Melting point 295 - 297 C (decomposition) Molar mass 89.09 g/mol Density 1.40 g/cm3 (20 C) Bulk density 660 kg/m3 pH value 5.5 - 6.5 (100 g/l, H2O, 20 C) Safety information RTECS AY2990000 Storage class 10 - 13 Other liquids and solids WGK WGK 1 slightly water endangering Disposal 3Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. Specifications Assay (perchloric acid titration, calculated on dried substance) 99.0% Identity (IR-spectrum) passes test Appearance white to almost white crystalline powder or colorless crystals Appearance of solution(1mol/l, water) Clear and colorless. Spec. rotation( 20/D, 50g/l, hydrochloric acid 1 mol/l, calc. on dried substance) +14.2 to +15.2 UV-Absorption - 260nm; 1mol/l; 1cm; water 0.02 - 280 nm; 1 mol/l; 1 cm; water 0.02 Chloride (Cl) 0.01% Sulfate (SO4) 0.01% Heavy metals (as Pb) 0.001% As (Arsenic) 0.0005% Ca (Calcium) 0.005% Co (Cobalt) 0.0005% Fe (Iron) 0.0005% K (Potassium) 0.0005% Mg (Magnesium) 0.0005% Na (Sodium) 0.005% NH4 (Ammonium) 0.01% Zn (Zinc) 0.0005% Foreign amino acids 0.3% Other ninhydrine positive substances 0.1% Loss on drying(105C; 3h) 0.2%