63-68-3 C5H11NO2SL-Methionine CAS NO.63-68-3

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;fertilizer
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

risk statements	33
safety statements	24/25
wgk germany	2
rtecs	pd0457000
f	10-23
hs code	29304010
hazardous substances data	63-68-3(hazardous substances data)

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

hennan sunlake enterprise corporation is located in henan province , the central plain of china , which enjoys favorable geogeaphical position and convenient transportion, the com[any was established in june. 1998 , until now having more than 18 years experience in manufacturing & exporting chemical raw material .

sunlake is a professional manufacturer engaged in producing and selling chemicals,including organic & inorganic chemicals , pigments & dyestuffs , water treatment chemicals , food & feed additives and others . these products have been being well exported to europe , southeast asia , the middle east , africa , south america and some other countries and areas.

we sincerely welcome foreign friends to visit our plant for cooperation. with the idea of "quality first,credit priority, excellent service", we are highly acknowledged by customers for good quality and competitive price. more importantly , the company has a strong r & d team, who are professional engineers and scholars with ph. d. .so we are confident to serve you better with our high - quality products and professional team.

we are taking great efforts to provide our customers with demanded goods and professional services, and continuously improve our core ability of competition and get the momentum for sustainable development, and finally make us being a reliable and professional wupplier in international market.

we welcome any serious inquiries from all customers of the world, and sincerely hope to cooperate with you for a brilliant future!