DL-Methionine CAS NO.59-51-8

DL-Methionine Chemical Properties
Melting point     284 °C (dec.)(lit.)
alpha     -1～+1°(D/20℃)(c=8,HCl)
Boiling point     306.9±37.0 °C(Predicted)
density     1.34
FEMA     3301 | D,L-METHIONINE
refractive index     1.5216 (estimate)
storage temp.     0-6°C
solubility     1 M HCl: 0.5 M at 20 °C, clear, colorless
pka    2.13(at 25℃)
form     Crystals or Crystalline Powder
color     White
optical activity    [α]/D, c = 5 in 5 M HCl (inactive)
Water Solubility     2.9 g/100 mL (20 ºC)
JECFA Number    1424
Merck     14,5975
BRN     636185
Stability:    Stable. Incompatible with strong oxidising agents.
InChIKey    FFEARJCKVFRZRR-UHFFFAOYSA-N
CAS DataBase Reference    59-51-8(CAS DataBase Reference)
NIST Chemistry Reference    Methionine(59-51-8)
EPA Substance Registry System    Methionine (59-51-8)         

DL-Methionine Basic information
Description References
Product Name:    DL-Methionine
Synonyms:    (R,S)-2-Amino-4-methylsulfanyl-butyricacid;(RS)-2-Amino-3-methylthiobutansαure;Metione;Neston;Pedameth;Petameth;Thiomedon;Urimeth
CAS:    59-51-8
MF:    C5H11NO2S
MW:    149.21
EINECS:    200-432-1
Mol File:    59-51-8.mol
 Safety Information
Hazard Codes     Xi
Risk Statements     33-36/37/38
Safety Statements     24/25-36-26
WGK Germany     2
RTECS     PD0457000
F     10-23
TSCA     Yes