L-Methionine CAS#63-68-3

Name: L-Methionine CAS#63-68-3
SKU: 0

Classification：Pharmaceutical Raw Materials

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product description

L-Methionine CAS#63-68-3

L-methionine is a sulfur-containing essential L-amino acid that is important in many body functions. Methionine is a dietary indispensable amino acid required for normal growth and development of humans, other mammals, and avian species. In addition to being a substrate for protein synthesis, it is an intermediate in transmethylation reactions, serving as the major methyl group donor.

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
bulk density	550kg/m3
refractive index	1.5216 (estimate)
storage temp.	20-25°C
solubility	1 M HCl: 0.5 M at 20 °C, clear, colorless
pka	2.13(at 25℃)
form	Solid
color	White
Odor	Slight characteristic
PH	5-7 (10g/l, H2O, 20℃)
biological source	synthetic
Optical Rotation	[α]20/D +23.7±0.5°, c = 5% in 5 M HCl
Water Solubility	Soluble
λmax	λ: 260 nm Amax: 0.40λ: 280 nm Amax: 0.05
Merck	14,5975
BRN	1722294
Stability:	Stable. Incompatible with strong oxidizing agents.
LogP	0.217 (est)
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)

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

Product Usage

Amino acid drugs, nutritional supplements. Used for fatty liver and cirrhosis. Also widely used as feed additives to improve feed quality, improve the utilization of the native protein and promote animal growth. Such as DL-methionine can increase egg production of chickens, pigs make weight gain, more milk cows and so on.

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