DL-Methionine

Molecular structure of Racemethionine (CAS NO.59-51-8) is:

Product Name: Racemethionine 
CAS Registry Number: 59-51-8
IUPAC Name: 2-amino-4-methylsulfanylbutanoic acid 
Molecular Weight: 149.21134 [g/mol] 
Molecular Formula: C₅H₁₁NO₂S 
XLogP3: -1.9 
H-Bond Donor: 2 
H-Bond Acceptor: 3 
EINECS: 200-432-1 
Melting Point: 284 °C (dec.)(lit.)
Water Solubility: 2.9 g/100 mL (20 °C) 
Stability: Stable. Incompatible with strong oxidising agents. 
Surface Tension: 50.5 dyne/cm 
Density: 1.206 g/cm³ 
Flash Point: 139.4 °C 
Enthalpy of Vaporization: 60.21 kJ/mol 
Boiling Point: 306.9 °C at 760 mmHg 
Vapour Pressure: 0.00017 mmHg at 25°C
Product Categories: Amino Acids;Amino Acid Derivatives;Methionine [Met, M];Amino Acids

 Racemethionine (CAS NO.59-51-8) is one of the twenty common amino acids.

Moderately toxic by ingestion and other routes. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of SO_x and NO_x. 
Hazard Codes: Xi 
Risk Statements: 33-36/37/38 
R33:Danger of cumulative effects. 
R36/37/38:Irritating to eyes, respiratory system and skin. 
Safety Statements: 24/25-36-26 
S24/25:Avoid contact with skin and eyes. 
S36:Wear suitable protective clothing. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
WGK Germany: 2
RTECS: PD0457000
F: 10-23

 Racemethionine , its cas register number is 59-51-8. It also can be called (+-)-Methionine ; Acimetion ; Banthionine ; Cynaron ; DL-2-Amino-4-(methylthio)-butyric acid ; DL-Methioninum ; Dyprin ; Lobamine ; alpha-Amino-gamma-(methylthio)butyric acid ; alpha-Amino-gamma-methylmercaptobutyric acid ; alpha-Amino-gamma-methylmercaptobutyric acid (VAN) .It is a white crystalline powder with a faint odor.