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LC2833 L-Glutamine

suitable for use as excipient exp DAB,USP

 

Order number Packaging Quantity Price €
AC29833 Plastic bottle 1 kg Inquire
AC29833 Plastic bottle 10 kg Inquire

 

Product information
Grade DAB,USP
Synonyms L-Glutamic acid-5-amide
Hill Formula C5H10N2O3
HS Code 2924 19 00
EC number 200-292-1
Molar mass 146.15 g/mol
CAS number 56-85-9

 

Chemical and physical data
Solubility 100 g/l (40 °C)
Melting point 185 – 186 °C
Molar mass 146.15 g/mol
Bulk density 640 kg/m3
pH value 4.0 – 6.0 (25 g/l, H2O, 20 °C)

 

Safety information
RTECS MA2275100
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.

 

Toxicological data
LD 50 oral LD50 rat 7500 mg/kg

 

Specifications
Assay (perchloric acid titration, calculated on dried substance) 99.0 – 101.0 %
Identity (IR-spectrum) passes test
Appearance white to almost white, fine powder
Appearance of solution (25 g/l; CO2-free water) clear and colorless
Spec. rotation
– α 20/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance
+31.5° to +33.0°
– α 20/D, 40 g/l, water, calc. on dried substance +6.3° to +7.3°
pH (25 g/l; CO2-free water) 4.0 – 6.0
Chloride (Cl) ≤ 0.02 %
Sulfate (SO4) ≤ 0.02 %
Heavy metals (as Pb) ≤ 0.001 %
Fe (Iron) ≤ 0.001 %
NH4 (Ammonium) ≤ 0.1 %
Ninhydrin – positive substances (TLC) ≤ 0.5 %
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) ≤ 0.3 %
Bacterial endotoxins ≤ 2.0 I.U./g

 

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