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L-Alanine

L-Alanine
L-Alanine
Product Code : LC255
Product Description
LC255 L-Alanine
for 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 3
Relatively 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 (1 mol/l, water) Clear and colorless.
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance)
+14.2° to +15.2°
UV-Absorption
- 260 nm; 1 mol/l; 1 cm; 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 (105 °C; 3 h) ≤ 0.2 %

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