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LC242 L-Asparagine monohydrate

for biochemistry

 

Order number Packaging Quantity Price €
AC27242 Plastic bottle 100 g 27.45
AC27242 Plastic bottle 1 kg 210.60
AC27242 Plastic drum 10 kg inquire

 

Product information
Grade Ph Eur
Synonyms Asparaginic acid semiamide
Hill Formula C4H8N2O3 * H2O
HS Code 2924 19 00
EC number 200-735-9
Molar mass 150.14 g/mol
CAS number 5794-13-8

 

Chemical and physical data

Solubility 22 g/l (20 °C)
Melting point 215 – 217 °C decomposes
Molar mass 150.14 g/mol
Bulk density 530 kg/m3
pH value 4.0 – 5.5 (20 g/l, H2O, 20 °C)

 

Safety information
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, calc. on anhydrous substance) ≥ 99.0 %
Identity (IR-spectrum) passes test
Appearance White, crystalline powder or colorless crystals.
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 3 mol/l, calc. on anhydrous substance) +34.1° to +35.6°
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 ≤ 0.05
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 %
NH4 (Ammonium) ≤ 0.01 %
Zn (Zinc) ≤ 0.0005 %
Aspartic acid ≤ 0.5 %
other foreign amino acids ≤ 0.3 %
Other ninhydrine positive substances ≤ 0.1 %
Water (according to Karl Fischer) 11.5 – 12.5 %

 

 L-Asparagine monohydrate, Laboratory chemicals, Laboratory Chemicals manufacturer, Laboratory chemicals india, Laboratory Chemicals directory, elabmart