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Amino Acids & Derivatives

Dl-Methionine

RA001815 CAS 59-51-8 Biochemistry

Identity

Product code
RA001815
CAS number
59-51-8
Grade
Biochemistry
Purity
99%
Molecular formula
C5H11NO2S
Molecular weight
149.21

Classification

Applications
Biochemistry

Technical Data

Properties

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

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit Method
Appearance White to almost white, crystalline powder or small flakes, melt at 270°C — —
Heavy metal Max 0.002 % % —
Sulphated ash Max 0.1 % % —
Related Substances (TLC method) To comply BP test — —
Assay 99.0 - 101.0 % % Potentiometric
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) (105 °C) Max 0.5 % % —
pH 5.4 - 6.1 — —
Chlorides Max 0.02 % % —
Sulphates Max 0.02 % % —

Method names in parentheses (for example "GC method") identify the analytical technique applied to that parameter; they are not product grades. Grade of this product: Biochemistry.

Packaging

Pack size SKU
100 g RA001815-PK-100G
500 g RA001815-PK-500G
1 kg RA001815-PK-1KG