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Product Current position:Home > Product> DL-Methionine
DL-Methionine
CAS No:   59-51-8
Usage:  
Introduction

Chemistry

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: C5H11NO2
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

Uses

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

Toxicity Data With Reference

 

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LDLo intraperitoneal 1500mg/kg (1500mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 5, Pg. 2041, 1977.
mouse LDLo intravenous 300mg/kg (300mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 5, Pg. 2041, 1977.
mouse LDLo oral 4gm/kg (4000mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 5, Pg. 2041, 1977.
rat LD intravenous > 400mg/kg (400mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 5, Pg. 2041, 1977.
rat LD oral > 5gm/kg (5000mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 5, Pg. 2041, 1977.
rat LDLo intraperitoneal 2gm/kg (2000mg/kg)   Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 5, Pg. 2041, 1977.

 

Safety Profile

Moderately toxic by ingestion and other routes. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of SOx and NOx
Hazard Codes: IrritantXi 
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

Specification

 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.

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