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LC3569 L-Leucine

for biochemistry

 

Order number Packaging Quantity Price €
AC30569 Plastic bottle 25 g 17.91
AC30569 Plastic bottle 250 g 73.80
AC30569 Plastic bottle 10 g inquire

 

Product information
Hill Formula C6H13NO2
HS Code 2922 49 85
EC number 200-522-0
Molar mass 131.18 g/mol
CAS number 61-90-5

 

Chemical and physical data
Solubility 24 g/l (20 °C)
Melting point 300 °C (decomposition)
Molar mass 131.18 g/mol
Density 1.29 g/cm3 (20 °C)
Bulk density 300 – 400 kg/m3
pH value 5.5 – 6.5 (20 g/l, H2O, 20 °C)

 

Safety information
RTECS OH2850000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering

 

Specifications
Assay (perchloric acid titration, calculated on dried substance) ≥ 99.0 %
Identity (IR-spectrum) passes test
Appearance white to almost white, crystalline powder or shiny flakes
Appearance of solution (0.5 mol/l, hydrochloric acid 1 mol/l) clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance) +12.2° to +13.2°
UV-Absorption
– 260 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l
≤ 0.05
– 280 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l ≤ 0.02
Chloride (Cl) ≤ 0.02 %
Sulfate (SO4) ≤ 0.01 %
Heavy metals (as Pb) ≤ 0.001 %
As (Arsenic) ≤ 0.0005 %
Ca (Calcium) ≤ 0.001 %
Co (Cobalt) ≤ 0.0005 %
Fe (Iron) ≤ 0.0005 %
K (Potassium) ≤ 0.0005 %
Mg (Magnesium) ≤ 0.0005 %
Na (Sodium) ≤ 0.005 %
Zn (Zinc) ≤ 0.0005 %
NH4 (Ammonium) < 0.01 %
Isoleucine ≤ 1.0 %
other foreign amino acids ≤ 0.3 %
Other ninhydrine positive substances ≤ 0.1 %
Loss on drying (105 °C; 3 h) ≤ 0.3 %

 

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