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A0730056

TrisBufferedSaline:powderfor5Lof10X

Synonym(s):
L-Methionine;Met;L-Methionine - CAS 63-68-3 - Calbiochem;(S)-2-Amino-4-(methylmercapto)butyric acid;L-2-Amino-4-(methylthio)butanoic acid

CAS NO.:

Empirical Formula: C5H11NO2S

Molecular Weight: 149.21

MDL number: MFCD00063097

EINECS: 200-562-9

Pack Size Price Stock Quantity
1EA RMB244.00 In Stock
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Update time: 2022-07-08

PRODUCT 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℃)
Odor Slight characteristic
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.
LogP 0.217 (est)

Description and Uses

Colorless or white lustrous plates, or a white crystalline powder. It has a slight, characteristic odor. It is soluble in water, in alkali solutions, and in dilute mineral acids. It is slightly soluble in alcohol and practically insoluble in ether.

methionine is slows down and normalizes oil gland sebum production. Methionine is also used as a texturizer in cosmetic creams. It is an essential amino acid found in a number of proteins and obtained by means of fermentation.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P501-P270-P264-P301+P312+P330
Risk Statements  33
Safety Statements  24/25
WGK Germany  2
RTECS  PD0457000
10-23
TSCA  Yes
HS Code  29304010
Toxicity LD50 oral in rat: 36gm/kg

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