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LC4542 L-Phenylalanine

suitable for use as excipient EMPROVE exp Ph Eur,USP

 

Order number Packaging Quantity Price €
AC31542 Plastic bottle 100 g inquire
AC31542 Plastic bottle 1 kg inquire
AC31542 Plastic drum 10 kg inquire

 

Product information
Grade Ph Eur,USP
Hill Formula C9H11NO2
HS Code 2922 49 85
EC number 200-568-1
Molar mass 165.19 g/mol
CAS number 63-91-2

 

Chemical and physical data
Solubility 27 g/l (20 °C)
Melting point 275 – 283 °C (decomposition)
Molar mass 165.19 g/mol
Bulk density 580 kg/m3
pH value 5.4 – 6.0 (10 g/l, H2O, 20 °C)

 

Safety information
RTECS AY7535000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering

 

Specifications
Assay (perchloric acid titration, calculated on dried substance) 98.5 – 101.0 %
Identity (IR-spectrum) passes test
Appearance white to almost white, crystalline powder
Appearance of solution (50 g/l, hydrochloric acid 1 mol/l) clear and not more intense in colour than reference solution BY6
Spec. rotation
– α 20/D, 20 g/l, water, calc. on dried substance
-33.0° to -35.5°
– α 25/D, 20 g/l, water, calc. on dried substance -32.7° to -34.7°
pH (10 g/l, CO2-free water) 5.4 – 6.0
Chloride (Cl) ≤ 0.02 %
Sulfate (SO4) ≤ 0.03 %
Heavy metals (as Pb) ≤ 0.001 %
Al (Aluminium) ≤ 0.0005 %
NH4 (Ammonium) ≤ 0.02 %
Fe (Iron) ≤ 0.001 %
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
Sulfated ash (600 °C) ≤ 0.1 %
Loss on drying (105 °C; 3 h) ≤ 0.3 %
Bacterial endotoxins ≤ 3.0 I.U./g
Corresponds to Ph. Eur., USP.

 

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