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ibicuruzwa

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

Umutungo wa Shimi:

Inzira ya molekulari C6H12O3
Misa 132.16
Ubucucike 1.017 g / mL kuri 25 ° C (lit.)
Ingingo ya Boling 75-76 ° C / 12 mmHg (lit.)
Guhinduranya byihariye (α) -45.5 º (589nm, c = 1, CHCl3)
Flash point 148 ° F.
Amazi meza gushonga
Umwuka 17.2Pa kuri 20 ℃
Kugaragara Amazi
Uburemere bwihariye 1.017
Ibara Birasobanutse, Ibara
pKa 14.45 ± 0.20 (Byahanuwe)
Imiterere y'Ububiko 2-8 ° C.
Ironderero n20 / D 1.42 (lit.)
Ibintu bifatika na shimi alfa: -45.5 o (589nm, c = 1, CHCl3)

Ibicuruzwa birambuye

Ibicuruzwa

Kode y'ingaruka R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu.
R52 - Yangiza ibinyabuzima byo mu mazi
Ibisobanuro byumutekano 24/25 - Irinde guhura nuruhu n'amaso.
Indangamuntu ya Loni 1993
WGK Ubudage 3
Kode ya HS 29181990

 

Intangiriro

Ethyl (R) - (-) - 3-hydroxybutyrate, izwi kandi nka (R) - (-) - 3-hydroxybutyric acide Ethyl ester, ni ifumbire mvaruganda. Imiterere yacyo niyi ikurikira:

 

Ubwiza:

- Kugaragara: Amazi adafite ibara

 

Koresha:

Ethyl (R) - (-) - 3-hydroxybutyrate ifite uburyo bwinshi bwo gukoresha mubijyanye na chimie:

- Irashobora kugira uruhare runini nkumusemburo wa reaction ya synthesis.

 

Uburyo:

Hariho uburyo bwinshi bwo gutegura Ethyl (R) - (-) - 3-hydroxybutyrate:

- Uburyo busanzwe ni ugutegura esterifike ya acide hydroxybutyric, ikora aside hydroxybutyric hamwe na Ethanol, ikongeramo catisale nka acide sulfurike cyangwa acide formique, ikanagabanya ibicuruzwa byiza nyuma yo kubyitwaramo.

- Irashobora kandi gutegurwa muguhuza aside succinic hamwe na Ethanol, ukongeramo catisale, hanyuma hydrolysis.

 

Amakuru yumutekano:

Ethyl (R) - (-) - 3-hydroxybutyrate ifite umutekano muke gukoreshwa muri rusange, ariko ibikurikira bigomba kwitonderwa:

- Ni amazi yaka umuriro kandi agomba kwirinda guhura n'umuriro ugurumana n'ubushyuhe bwinshi.

- Ingamba zikenewe z'umutekano, nko kwambara ibirahuri birinda na gants, bigomba gufatwa mugihe cyo gukora.

- Irinde guhumeka, kuribwa, no guhuza uruhu kuruhu kugirango wirinde kubura amahwemo no gukomeretsa.

- Mugihe uhuye, kwoza ako gace uhuye namazi menshi hanyuma ushakire kwa muganga.

 


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