L-Methionine CAS NO.63-68-3

L-Methionine Chemical Properties
Melting point     284 °C (dec.)(lit.)
alpha     23.25 º (c=2, 6N HCl)
Boiling point     393.91°C (estimate)
density     1,34g/cm
refractive index     1.5216 (estimate)
storage temp.     20-25°C
solubility     1 M HCl: 0.5 M at 20 °C, clear, colorless
form     Solid
pka    2.13(at 25℃)
color     White
PH    5-7 (10g/l, H2O, 20℃)
optical activity    [α]20/D +23.7±0.5°, c = 5% in 5 M HCl
Water Solubility     Soluble
λmax    λ: 260 nm Amax: 0.40
λ: 280 nm Amax: 0.05
Merck     14,5975
BRN     1722294
Stability:    Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference    63-68-3(CAS DataBase Reference)
NIST Chemistry Reference    L-Methionine(63-68-3)
EPA Substance Registry System    L-Methionine (63-68-3)                                  

L-Methionine Basic information
Description chemical properties Feed additives Pharmacodynamics Amino acids Toxicity Uses
Product Name:    L-Methionine
Synonyms:    L-Met-OH;L-Methionine, Animal-Free;L-METHIONINE (13C5,D8,15N);L-METHIONINE (1,2,3,4-13C4;METHYL-13CH3);L-METHIONINE, REAGENT GRADE, >=98% (;L-MethionineUSP, 98.5-101.5% (Titration: anhydrous basis);L(-)-Methionin
CAS:    63-68-3
MF:    C5H11NO2S
MW:    149.21
EINECS:    200-562-9
Mol File:    63-68-3.mol

Safety Information
Risk Statements     33
Safety Statements     24/25
WGK Germany     2
RTECS     PD0457000
F     10-23
TSCA     Yes
HS Code     29304010
Hazardous Substances Data    63-68-3(Hazardous Substances Data)
Toxicity    LD50 oral in rat: 36gm/kg