L- Threonine

About L- Threonine

LC5467 L-Threonine for biochemistry Order number Packaging Quantity Price AC32467 Plastic bottle 10 g 15.21 AC32467 Plastic bottle 100 g 58.5 AC32467 Plastic bottle 1 kg 530.1 AC32467 Plastic bottle 10 kg Inquire Product information Hill Formula C4H9NO3 HS Code 2922 50 00 EC number 200-774-1 Molar mass 119.12g/mol CAS number 72-19-5 Chemical and physical data Solubility 90 g/l (20 C) Melting point 265 - 270 C Molar mass 119.12 g/mol Bulk density 370 kg/m3 pH value 5 - 6 (100 g/l, H2O, 20 C) Safety information RTECS XO8590000 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) 99 % Identity(IR-spectrum) passes test Appearance white to almost white, fine powder Appearance of solution(1mol/l, water) clear and colorless Spec. rotation( 20/D, 50g/l, hydrochloric acid 1mol/l) -15.4 to -16.4 Heavy metals(as Pb) 0.001% NH4 (Ammonium) 0.01% Foreign amino acids 0.3% Other ninhydrine positive substances 0.1%