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LC3954 L-Methionine

for biochemistry

 

Order number Packaging Quantity Price €
AC30954 Plastic bottle 25 g 17.73
AC30954 Plastic bottle 100 g 34.20
AC30954 Plastic bottle 1 kg 220.50
AC30954 Plastic bottle 10 kg inquire

 

Product information
Hill Formula C5H11NO2S
HS Code 2930 40 10
EC number 200-562-9
Molar mass 149.2 g/mol
CAS number 63-68-3

 

Chemical and physical data
Solubility 48 g/l (20 °C)
Melting point 280 – 285 °C
Molar mass 149.2 g/mol
Bulk density 550 kg/m3
pH value 5 – 7 (10 g/l, H2O, 20 °C)

 

Safety information
RTECS PD0457000
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 36000 mg/kg

 

Specifications
Assay (perchloric acid titration, calculated on dried substance) ≥ 99 %
Identity (IR-spectrum) passes test
Appearance white to almost white, shiny powder
Appearance of solution (0.5 mol/l, hydrochloric acid 1 mol/l) clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance) +22.5 ° to +23.5 °
UV-Absorption
– 260 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol
≤ 0.50
– 280 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l ≤ 0.20
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 %

 

L-Methionine, Laboratory chemicals, Laboratory Chemicals manufacturer, Laboratory chemicals india, Laboratory Chemicals directory, elabmart