Ọdịmma Dl-Methionine CAS 59-51-8 ntụ ntụ
Ozi bụ isi
- Ebe mgbaze: 284 Celsius (dec.) (Lit.)
- Ìhè a kapịrị ọnụ: -1 ～+1 Celsius (d/20 ℃) (C = 8, HCL)
- Ebe esi mmiri: 306.9 ± 37.0 ° C (Amụma)
- Njupụta: 1.34FEMA3301 |D, L-Methionine
- Ntụgharị ntụgharị: 1.5216 (atụmatụ)
- Ọnọdụ nchekwa: 2-8 Celsius
- Solubility 1mHCl: 0.5MATCHEMICALBOOK20 Celsius C
- Agba: CLEAR, enweghị agba
- Ọnụọgụ acidity (PKA): 2.13 (AT25 Celsius)
- Ụdị: Crystal ma ọ bụ Crystalline ntụ ntụ
- Agba: Ọcha
- Ngwa anya (Optical): [α]/d, C = 5in5MHCl (adịghị arụ ọrụ)
- Mmiri mmiri: 2.9g/100ml (20ºc)
Usoro ihe omimi: C5H11NO2S
Ojiji
White crystalline ntụ ntụ
Ọcha, kristal platelet ma ọ bụ ntụ ntụ nwere ihe na-esi ísì ụtọ.Otu g na-agbaze n'ime ihe dịka 30 ml mmiri.Ọ bụ soluble na itughari acid na ngwọta nke alkali hydroxides.Ọ dị ntakịrị soluble na mmanya na-aba n'anya, na ọ fọrọ nke nta ka ọ bụrụ ihe a na-apụghị imeri eme na ether.Ọ naghị arụ ọrụ anya.pH nke 1 n'ime 100 ngwọta dị n'etiti 5.6 na 6.1.Enwere ike ịkwadebe ihe a site na mgbakwunye nke methanethiol na acrolein;site na mgbanwe kemịkalụ nke methylthiopropionic aldehyde.
d,l-Methionine nwere isi njirimara.Ọ bụ amino acid dị mkpa ma na-ejikwa ya dị ka ihe na-edozi ahụ na ihe mgbakwunye nri.
Mmepụta ogige na-agbanwe agbanwe metụtara ụtọ nri sitere na mbelata Strecker nke DL-methionine.Enwere ike ịtụ anya mgbakwunye methionine n'ụzọ kwesịrị ekwesị na nri ndị a ga-eme ka uru protein dịkwuo mma.Na akụ na ụba, DL-methionine ga-aka mma.Amino acid dị mkpa nke na-abụghị polar nwere ihe nchebe oxidative stress.DL-Methionine na-enye mgbe ụfọdụ ka mgbakwunye na nkịta;ọ na-enyere aka mee ka nkịta ghara imebi ahịhịa site n'ibelata pH nke mmamịrị. A na-ahapụ Methionine ka ọ bụrụ mgbakwunye na nri anụ ọkụkọ organic n'okpuru mmemme organic nke US.
