DL-METHIONINE For Biochemistry

(Confirms to BP)
(±)-2-Amino-4-(methylmercapto)butyric acid; DL-2-Amino-4-(methylthio)butanoic acid

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Article No.
04606
Grade
For Biochemistry
Purity
99%
CAS No.
59-51-8
Molecular Formula
C5H11NO2S
Molecular Weight
149.21
H.S. Code
2930.4000
Shelf Life
60 Months
MSDS
 

 

Physical Properties

Physical state at 20 °C
Solid
Colour
White granular
Melting point/ Freezing point [°C]
280 °C
Boiling point [°C]
186 °C
Density [g/cm3]
1.34
Solubility in water [% weight]
Soluble in water

Packings

  • 1PW1200200

    100 g (00100)

  • 1PW1200750

    500 g (00500)

  • 1PW1201600

    1000 g (01000)

 

Specifications

Appearance White to almost white, crystalline powder or small flakes, melt at 270°C
Assay (Potentiometric; on anhydrous basis) 99.0-101.0%
Solubility Sparingly soluble in water, very slightly soluble in alcohol. It dissolves in dilute acids and in dilute solutions of the alkali hydroxides
Identifications To comply BP test
Appearance of solution To comply BP test
Loss on drying (at 105°C; 3 hrs) Max 0.5%
pH (2% solution in water) 5.4 to 6.1
Chlorides Max 0.02%
Sulphates Max 0.02%
Heavy metal (as Pb) Max 0.002%
Sulphated ash Max 0.1%
Related Substances ( by TLC) To comply BP test

Revision Date : 18-Mar-2017
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