High purity L-Methionine with good quality CAS NO.63-68-3

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

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;fertilizer

mol file:

63-68-3.mol

chemical properties

melting point

284 °c (dec.)(lit.)

boiling point

306.9 °c at 760 mmhg

alpha

23.25 º (c=2, 6n hcl)

density

1.206 g/cm3

vapor pressure

0.00017 mmhg at 25°c

flashing point

139.4 °c

storage temp.

store at rt.

solubility

1 m hcl: 0.5 m at 20 °c, clear, colorless

water solubility

soluble

stability

stable. incompatible with strong oxidizing agents.

usage and synthesis

chemical properties

white crystalline powder. minute hexagonal plates from dilute alcohol.

usage

essential aminoacid for human development. hepatoprotectant; antidote (acetominophen poisoning); urinary acidifier.

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.