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LC245 L-Aspartic acid

for biochemistry

 

Order number Packaging Quantity Price €
AC27245 Plastic bottle 100 g 12.06
AC27245 Plastic bottle 1 kg 81.45
AC27245 Plastic drum 10 kg inquire

 

Product information
Grade Ph Eur,BP,USP
Synonyms L-a-Aminosuccinic acid
Hill Formula C4H7NO4
HS Code 2922 49 85
EC number 200-291-6
Molar mass 133.1 g/mol
CAS number 56-84-8

 

Chemical and physical data

Solubility 4 g/l (20 °C)
Melting point 269 – 271 °C (decomposition)
Molar mass 133.1 g/mol
Bulk density 430 kg/m3
pH value 2.5 – 3.5 (4 g/l, H2O, 20 °C)

 

Safety information
Storage class 10 – 13 Other liquids and solids
WGK NWG not 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 (alkalimetric, calculated on dried substance) ≥ 99.0 %
Identity (IR-spectrum) passes test
Appearance white to almost 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 1 mol/l, calc. on dried substance) +25.3° to +26.3°
UV-Absorption
– 260 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l
≤ 0.25
– 280 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l ≤ 0.20
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 %
Foreign amino acids ≤ 0.3 %
Other ninhydrine positive substances ≤ 0.1 %
Loss on drying (105 °C; 3 h) ≤ 0.3 %

 

L-Aspartic acid, Laboratory chemicals, Laboratory Chemicals manufacturer, Laboratory chemicals india, Laboratory Chemicals directory, elabmart