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LC4996 L-Serine

suitable for use as excipient

 

Order number Packaging Quantity Price €
AC31996 Plastic bottle 1 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
+14.0 to +16.0°
– α 25/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance +14.0° to +15.6°
Chloride (Cl) ≤ 0.02 %
Sulfate (SO4) ≤ 0.03 %
Heavy metals (as Pb) ≤ 0.001 %
Fe (Iron) ≤ 0.001 %
NH4 (Ammonium) ≤ 0.02 %
Ninhydrin – positive substances (total (TLC)) ≤ 0.5 %
Residual solvents (Ph.Eur./USP/ICH) class 2 (Methanol) ≤ 0.3 %
Other residual solvents (Ph. Eur./USP/ICH) excluded by manufacturing process
Organic volatile impurities (according to USP) conforms
Sulfated ash (600 °C) ≤ 0.1 %
Loss on drying (105 °C; 3 h) ≤ 0.2 %
Bacterial endotoxins ≤ 2.0 I.U./g

 

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