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Serine

Serine
Serine
Product Code : LC4997 L
Product Description
LC4997 L-Serine
for biochemistry

 

Order number Packaging Quantity Price €
AC31997 Glass bottle 10 g 13.41
AC31997 Plastic bottle 100 g 63.9
AC31997 Plastic bottle 1 kg 516.6
AC31997 Plastic drum 10 kg Inquire

 

Product information
Synonyms 3-Hydroxy-L-alanine
Hill Formula C3H7NO3
HS Code 2922 50 00
EC number 200-274-3
Molar mass 105.09 g/mol
CAS number 56-45-1

 

Chemical and physical data
Solubility 364 g/l (20 °C)
Melting point 215 - 225 °C decomposes
Molar mass 105.09 g/mol
Bulk density 570 kg/m3
pH value 5 - 6 (100 g/l, H2O, 20 °C)

 

Safety information
RTECS VT8100000
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) 98.5 - 101.0 %
Identity (IR-spectrum) passes test
Appearance white to almost white or colorless, needle-shaped crystals
Appearance of solution (50 g/l; water) clear and not more intense in color than reference solution BY6
Spec. rotation
- α 20/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance
+14.3° to +15.8°
UV-Absorption
- 260 nm; 1 mol/l; 1 cm; water

≤ 0.05
- 280 nm; 1 mol/l; 1 cm; water ≤ 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 %
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 %

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