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DL-Methionine, 99+%, ACROS Organics™


Quantity 250g
Packaging Plastic bottle

Manufacturer: fisher scientific acros  125652500

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Catalog No. AC125652500

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Description & Specifications

Chemical Identifiers

Ammonium 1000ppm max.
Chloride 200ppm max.
Heavy Metals (as Pb) 10ppm max.
Infrared Spectrum Authentic
Loss on Drying 0.5% max. (1 g, 105°C)
Other Amino Acids 0.2% max. (TLC)
Packaging Plastic bottle
Sulfate 200ppm max.
Transmittance 95% min. (c=10, 2N HCl, 430nm) 1cm cell
Sulfated Ash 0.1% max.
Density 1.34g/mL
Color White
pH 5.4 to 6.1 (2% w/v aq. soln.)
Quantity 250g
Chemical Name or Material DL-Methionine
Name Note 99+%
CAS 59-51-8
Physical Form White crystals or crystalline powder
Assay 99.0 to 101.0% (on dried substance)
Assay Percent Range 99+%
Molecular Formula C5H11NO2S
Linear Formula CH3SCH2CH2CH(NH2)CO2H
Formula Weight 149.21g/mol
MDL Number MFCD00063096
Beilstein 04, II, 938
Merck Index 15, 6047
Synonym DL-2-Amino-4-(methylthio)butyric acid
RTECS Number PD0456000
EINECS Number 200-432-1
TSCA TSCA

Specifications

Chemical Name or Material DL-Methionine
Name Note 99+%
CAS 59-51-8
Assay 99.0 to 101.0% (on dried substance)
Assay Percent Range 99+%
Molecular Formula C5H11NO2S
Linear Formula CH3SCH2CH2CH(NH2)CO2H
Formula Weight 149.21g/mol
MDL Number MFCD00063096
Synonym DL-2-Amino-4-(methylthio)butyric acid