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LC3062 L-Isoleucine

suitable for use as excipient EMPROVE exp Ph Eur,USP

 

Order number Packaging Quantity Price €
AC30062 Plastic bottle 100 g inquire
AC30062 Plastic bottle 1 kg inquire
AC30062 Plastic drum 10 kg inquire

 

Product information
Grade Ph Eur,USP
Synonyms iso-Leucine, Ile
Hill Formula C6H13NO2
HS Code 2922 49 85
EC number 200-798-2
Molar mass 131.17 g/mol
CAS number 73-32-5

 

Chemical and physical data
Solubility 32.1 g/l (20 °C)
Melting point 279 – 280 °C (decomposition)
Molar mass 131.17 g/mol
Bulk density 280 kg/m3
pH value 6.0 (10 g/l, H2O, 20 °C)

 

Safety information
RTECS NR4705000
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, crystalline powder or flakes
Appearance of solution (50 g/l, hydrochloric acid 1 mol/l) clear and not more intense in color than reference solution BY6
Spec. rotation
– α 20/D, 40 g/l, Hydrochloric acid 250 g/l, calc. on dried substance
+40.0° to +43.0°
– α 25/D, 40 g/l, hydrochloric acid 6 mol/l, calc. on dried substance +38.9° to +41.8°
pH (10 g/l, CO2-free water) 5.5 – 7.0
Chloride (Cl) ≤ 0.02 %
Sulfate (SO4) ≤ 0.03 %
Heavy metals (as Pb) ≤ 0.001 %
NH4 (Ammonium) ≤ 0.02 %
Fe (Iron) ≤ 0.001 %
Ninhydrin – positive substances (total (TLC)) ≤ 0.5 %
Ninhydrin – positive substances (LC) (Valine) ≤ 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 %
Corresponds to Ph. Eur., USP.

 

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