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

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C5H11NO2S
Molar Mass 149.21
Yawan yawa 1.34
Matsayin narkewa 284°C (dec.)(lit.)
Matsayin Boling 306.9 ± 37.0 °C (An annabta)
Takamaiman Juyawa (α) -1~+1°(D/20℃)(c=8,HCl)
Lambar JECFA 1424
Ruwan Solubility 2.9g/100 ml (20ºC)
Solubility Mai narkewa a cikin ruwa, dilute acid da dilute alkali, dan kadan mai narkewa a cikin barasa 95%, wanda ba zai iya narkewa a cikin ether
Bayyanar Crystalline foda
Launi Fari
Merck 14,5975
BRN 636185
pKa 2.13 (a 25 ℃)
Yanayin Ajiya 2-8 ° C
Kwanciyar hankali Barga. Wanda bai dace ba tare da ma'auni mai ƙarfi mai ƙarfi.
M Mai hankali ga haske
Fihirisar Refractive 1.5216 (ƙididdiga)
MDL Saukewa: MFCD00063096
Abubuwan Jiki da Sinadarai Farin lu'u-lu'u ko lu'u-lu'u. wari na musamman. Dandanan ya dan yi dadi. Matsayin narkewa 281 digiri (bazuwar). 10% pH na maganin ruwa 5.6-6.1. Babu jujjuyawar gani. Barga don zafi da iska. Rashin kwanciyar hankali ga acid mai ƙarfi, zai iya haifar da demethylation. Mai narkewa a cikin ruwa (3.3g / 100ml, digiri 25), dilute acid da dilute bayani. Matsanancin rashin narkewa a cikin ethanol, kusan wanda ba a iya narkewa a cikin ether
Amfani Ana amfani dashi azaman reagents na Biochemical

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xi - Haushi
Lambobin haɗari R33 - Haɗarin tasirin tarawa
R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
Bayanin Tsaro S24/25 - Guji hulɗa da fata da idanu.
S36 - Sanya tufafin kariya masu dacewa.
S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
WGK Jamus 2
RTECS Saukewa: PD0457000
FLUKA BRAND F CODES 10-23
Farashin TSCA Ee
HS Code Farashin 29304090

 

Gabatarwa

DL-Methionine shine amino acid mara iyaka. Kaddarorinsa sune farin crystalline foda, mara wari, ɗan ɗaci, mai narkewa cikin ruwa.

 

Ana iya shirya DL-Methionine ta hanyoyi daban-daban. Hanyar da aka fi amfani da ita ita ce ta hanyar haɗin sinadarai. Musamman, DL-methionine za a iya haifar da shi ta hanyar acylation na alanine wanda ya biyo baya da ragi.

 

Bayanin Tsaro: DL-Methionine yana da lafiya tare da amfani na yau da kullun da matsakaicin ci. Yawan cin abinci na iya haifar da wasu illolin kamar tashin zuciya, amai, da gudawa. Ya kamata a yi amfani da shi tare da taka tsantsan ga wasu gungun mutane, kamar mata masu juna biyu, jarirai da yara ƙanana, da masu fama da rashin lafiyan jiki.


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