L-Methionine CAS NO.63-68-3

Name: L-Methionine
SKU: 63-68-3
Availability: InStock

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L-Methionine Basic information

Product Name:	L-Methionine
Synonyms:	(S)-(+)-2-amino-4-(methylthio)butyricacid;(s)-2-amino-4-(methylthio)butanoicacid;1-methionine;2-amino-4-(methylthio)butanoicacid;2-amino-4-(methylthio)-butyricaci;2-Amino-4-methylthiobutanoic acid;2-amino-4-methylthiobutanoicacid;Acimethin
CAS:	63-68-3
MF:	C5H11NO2S
MW:	149.21
EINECS:	200-562-9
Product Categories:	Amino Acids;Amino Acid Derivatives;Methionine [Met, M];Amino Acids and Derivatives;Amino Acids;Chiral Compound;Miscellaneous Compounds;Amino Acids & Derivatives;Sulfur & Selenium Compounds;amino
Mol File:	63-68-3.mol

L-Methionine Chemical Properties

mp	284 °C (dec.)(lit.)
alpha	23.25 º (c=2, 6N HCl)
density	1,34g/cm
storage temp.	Store at RT.
solubility	1 M HCl: 0.5 M at 20 °C, clear, colorless
Water Solubility	Soluble
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)

Safety Information

MSDS Information

L-Methionine Usage And Synthesis

Chemical Properties	White crystalline powder
Usage	Essential aminoacid for human development. Hepatoprotectant; antidote (acetominophen poisoning); urinary acidifier.
General Description	Minute hexagonal plates from dilute alcohol.
Air & Water Reactions	Reacts with water, steam, and/or acids to produce toxic and flammable vapors of hydrogen sulfide . Water soluble . pH of 1% aqueous solution is 5.6-6.0.
Reactivity Profile	An organosulfide and amine derivative, carboxylic acid. Look at Reactive Groups 20 (organosulfides), 7 (amines), and 3 (carboxylic acids) may give indications about reactive tendencies. L-Methionine is an amino acid essential in human nutrition.
Health Hazard	ACUTE/CHRONIC HAZARDS: L-Methionine is dangerous when heated to decomposition; it emits dangerous and highly toxic fumes.
Fire Hazard	Flash point data for L-Methionine is not available, but L-Methionine is probably combustible.

L-Methionine Preparation Products And Raw materials

Raw materials	Ammonium bicarbonate-->Acrolein-->Potassium sulfate -->Cupric acetate monohydrate -->METHYL MERCAPTAN-->Potassium bisulfate -->Storage tank
Preparation Products	L-(+)-Selenomethionine-->L-Leucine-->DL-Methionine-->H-TYR-GLY-GLY-PHE-MET-OH-->N-Acetyl-L-methionine

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