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3-methyl-2-oxobutyric acid (CAS# 759-05-7)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta C5H8O3
Molar Mass 116.12
Yawan yawa 0.9968
Matsayin narkewa 31.5 ℃
Matsayin Boling 170.5 ℃
Lambar JECFA 631
Ruwan Solubility 400.6g/L(20ºC)
pKa 2.57± 0.54 (An annabta)
Yanayin Ajiya 2-8 ° C
Fihirisar Refractive 1.3850
Nazarin in vitro 3-Methyl-2-oxobutanoic acid (alpha-Ketoisovaleric acid) shine precursor na pantothenic acid a cikin Escherichia coli. 3-Methyl-2-oxobutanoic acid (alpha-Ketoisovaleric acid) yana haɓaka alpha-ketoisocaproic acid da alpha-keto-beta-methyl-n-valeric acid, amma yana rage amino acid daidai, kuma yana haifar da raguwar ornithine da wuri tare da marigayi augmentation na plasma arginine.
A cikin nazarin vivo 3-Methyl-2-oxobutanoic acid (alpha-Ketoisovaleric acid) yana haifar da rikice-rikice ta hanyar GABAergic da hanyoyin glutamatergic a cikin berayen.

Cikakken Bayani

Tags samfurin

 

Gabatarwa

3-Methyl-2-oxobutyric acid, wanda kuma aka sani da tert-butoxypropionic acid, TBAOH, wani fili ne na kwayoyin halitta.

 

inganci:

3-Methyl-2-oxobutyric acid ruwa ne mara launi zuwa kodadde ruwan rawaya tare da wari na musamman. Yana iya zama mai narkewa a cikin ruwa da yawancin kaushi na halitta, amma ba zai iya narkewa a cikin abubuwan da ba na polar ba kamar ethers na man fetur.

 

Amfani:

3-Methyl-2-oxobutyric acid yawanci ana amfani dashi azaman mai kara kuzari a cikin hadawar kwayoyin halitta, musamman a cikin halayen maye. Yana iya haifar da halayen kamar esterification, etherification, amidation, ƙarin olefin, da dai sauransu. Hakanan za'a iya amfani da shi azaman mai kara kuzari-lokacin ruwa don haɓaka halayen kamar oxidation, hydrogenation, da alkydation.

 

Hanya:

3-Methyl-2-oxobutyric acid za a iya samu ta hanyar amsa propanol tare da sodium tert-butoxide (ko tert-butanol da sodium hydroxide). Mataki na musamman shine amsa propanol tare da tert-butyl sodium oxide a yanayin da ya dace, sannan ana samun samfurin ta kashewa.

 

Bayanin Tsaro:

3-Methyl-2-oxobutyric acid yana da ban haushi kuma yana lalata kuma yakamata a kiyaye shi daga haɗuwa da fata, idanu, da hanyoyin numfashi. Ya kamata a sanya safar hannu masu kariya, tabarau, da abin rufe fuska yayin amfani. Idan ana hulɗa da haɗari, kurkura da ruwa mai yawa kuma ku nemi kulawar likita nan da nan. Ya kamata a adana shi a wuri mai sanyi, mai iska, nesa da wuta da oxidants.


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