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DL-Methionine (CAS# 59-51-8) Foto egosipụtara
  • DL-Methionine (CAS# 59-51-8) 1

DL-Methionine (CAS# 59-51-8)

Ngwongwo kemịkalụ:

Usoro ihe omimi C5H11NO2S
Molar Mass 149.21
Njupụta 1.34
Ebe Na-agbaze 284°C (dec.)(ọkụ)
Ebe Boling 306.9± 37.0 °C (buru amụma)
Ntụgharị pụrụ iche(α) -1～+1°(D/20℃)(c=8,HCl)
Nọmba JECFA 1424
Mmiri Solubility 2.9g/100 ml (20ºC)
Solubility Soluble na mmiri, itughari acid na itughari alkali, ubé soluble na 95% mmanya, insoluble na ether
Ọdịdị Crystalline ntụ ntụ
Agba Ọcha
Merck 14,5975
BRN 636185
pKa 2.13 (na 25 ℃)
Ọnọdụ Nchekwa 2-8 Celsius C
Nkwụsi ike Kwụsie ike. Na-ekwekọghị na ihe ndị na-emepụta ihe na-emepụta oxidising siri ike.
Mmetụta Na-enwe mmetụta maka ọkụ
Ntụgharị uche 1.5216 (atụ)
MDL MFCD00063096
Njirimara anụ ahụ na kemịkalụ kristal na-acha ọcha ma ọ bụ ntụ ntụ kristal. Isi ísì pụrụ iche. Ụtọ ahụ dị ntakịrị ụtọ. Ebe mgbaze 281 degrees (decomposition). 10% pH nke ngwọta mmiri 5.6-6.1. Enweghị ntụgharị anya. Kwụsie ike na ikpo ọkụ na ikuku. Na-adịghị akwụsi ike na acid siri ike, nwere ike iduga demethylation. Soluble na mmiri (3.3g / 100ml, 25 degrees), itughari acid na itughari ngwọta. Ihe na-adịghị ahụkebe na ethanol, ọ fọrọ nke nta ka ọ ghara ịsacha ya na ether
Jiri Ejiri ya dị ka ihe reagent biochemical

Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu Xi - mgbakasị ahụ
Koodu ihe egwu R33 - Ihe ize ndụ nke mkpokọta mmetụta
R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
Nkọwapụta nchekwa S24/25 - Zere kọntaktị na akpụkpọ ahụ na anya.
S36 - Yiri uwe nchebe kwesịrị ekwesị.
S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
WGK Germany 2
RTECS PD0457000
FLUKA BRAND F CODES 10-23
TSCA Ee
Koodu HS 29304090

 

Okwu mmalite

DL-Methionine bụ amino acid na-abụghị polar. Njirimara ya bụ ntụ ntụ kristal na-acha ọcha, enweghị isi, ntakịrị ilu, soluble na mmiri.

 

Enwere ike ịkwadebe DL-Methionine site na ụzọ dị iche iche. Ụzọ a na-ejikarị eme ihe bụ site na njikọ kemịkal. Kpọmkwem, DL-methionine nwere ike ịmepụta site na mmeghachi omume acylation nke alanine na-esote mmeghachi omume mbelata.

 

Ozi nchekwa: DL-Methionine adịghị mma site na iji nkịtị yana oriri na-agafeghị oke. Ịṅụbiga mmanya ókè nwere ike ịkpata mmetụta ụfọdụ dị ka ọgbụgbọ, ọgbụgbọ, na afọ ọsịsa. Ekwesịrị iji nlezianya mee ya maka ụfọdụ ndị mmadụ, dị ka ụmụ nwanyị dị ime, ụmụ ọhụrụ na ụmụaka, na ndị nwere allergies.

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