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Ethyl (R) -3-hydroxybutyrate (CAS# 24915-95-5)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C6H12O3
Molar Mass 132.16
Yawan yawa 1.017 g/ml a 25 °C (lit.)
Matsayin Boling 75-76 °C/12 mmHg (lit.)
Takamaiman Juyawa (α) -45.5º (589nm, c=1, CHCl3)
Wurin Flash 148°F
Ruwan Solubility mai narkewa
Tashin Turi 17.2Pa a 20 ℃
Bayyanar Ruwa
Takamaiman Nauyi 1.017
Launi A bayyane, Mara launi
pKa 14.45± 0.20 (An annabta)
Yanayin Ajiya 2-8 ° C
Fihirisar Refractive n20/D 1.42 (lit.)
Abubuwan Jiki da Sinadarai alpha: -45.5 o (589nm, c=1, CHCl3)

Cikakken Bayani

Tags samfurin

Lambobin haɗari R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
R52 - Yana cutar da halittun ruwa
Bayanin Tsaro 24/25 - Guji hulɗa da fata da idanu.
ID na UN 1993
WGK Jamus 3
HS Code 29181990

 

Gabatarwa

Ethyl (R)-(-)-3-hydroxybutyrate, kuma aka sani da (R)-(-) 3-hydroxybutyric acid ethyl ester, wani fili ne na kwayoyin halitta. Kaddarorinsa sune kamar haka:

 

inganci:

- Bayyanar: ruwa mara launi

 

Amfani:

Ethyl (R)-(-) 3-hydroxybutyrate yana da aikace-aikace da yawa a fagen ilimin sunadarai:

- Yana iya taka muhimmiyar rawa a matsayin mai kara kuzari a cikin halayen halayen kwayoyin halitta.

 

Hanya:

Akwai hanyoyi da yawa don shirya ethyl (R)-(-) 3-hydroxybutyrate:

- Hanyar gama gari ita ce shirya ta hanyar esterification na hydroxybutyric acid, wanda ke amsa hydroxybutyric acid tare da ethanol, yana ƙara haɓakar acid kamar su sulfuric acid ko formic acid, kuma yana distills samfur mai tsabta bayan amsawa.

- Hakanan ana iya shirya ta ta hanyar haɗa succinic acid tare da ethanol, ƙara abubuwan haɓaka acid, sannan hydrolysis.

 

Bayanin Tsaro:

Ethyl (R)-(-) 3-hydroxybutyrate ba shi da lafiya don amfanin gabaɗaya, amma har yanzu ya kamata a lura da waɗannan abubuwan:

- Ruwa ne mai ƙonewa kuma yakamata a kiyaye shi daga haɗuwa da buɗewar wuta da yanayin zafi.

- Dole ne a ɗauki matakan tsaro masu mahimmanci, kamar sanya gilashin kariya da safar hannu, yayin aiki.

- A guji shakar numfashi, ciki, da tuntuɓar fata da fata don guje wa rashin jin daɗi da rauni.

- Idan aka yi mu'amala, a wanke wurin da abin ya shafa da ruwa mai yawa sannan a nemi kulawar likita.

 


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