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

Āhuatanga matū:

Tātai rāpoi C6H12O3
Molar Mass 132.16
Kiato 1.017 g/mL i te 25 °C (marama)
Piro Pouri 75-76 °C/12 mmHg (marama)
Hurihuri motuhake(α) -45.5 º (589nm, c=1, CHCl3)
Tohu Kohiko 148°F
Wairewa wai wairewa
Kohu Kohu 17.2Pa i te 20 ℃
Te ahua Waiwai
Te taumahatanga motuhake 1.017
Tae Maama, Taekore
pKa 14.45±0.20(Te Matapae)
Tikanga Rokiroki 2-8°C
Taurangi Refactive n20/D 1.42(marama)
Āhuatanga ā-tinana, matū hoki alpha:-45.5 o (589nm, c=1, CHCl3)

Taipitopito Hua

Tohu Hua

Waehere Morearea R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
R52 – He kino ki nga rauropi wai
Whakaahuatanga Haumaru 24/25 – Kaua e pa ki te kiri me nga kanohi.
UN ID 1993
WGK Tiamana 3
Waehere HS 29181990

 

Kupu Whakataki

Ko te Ethyl (R)-(-)-3-hydroxybutyrate, e mohiotia ana ko (R)-(-)-3-hydroxybutyric acid ethyl ester, he pūhui waro. Ko ona ahuatanga e whai ake nei:

 

Kounga:

- Te ahua: Te wai kore tae

 

Whakamahia:

Ko te Ethyl (R)-(-)-3-hydroxybutyrate he maha nga momo tono mo te matū:

- Ka taea e ia te whai waahi nui hei whakakorikori i nga tauhohenga whakahiato waro.

 

Tikanga:

He maha nga huarahi hei whakarite i te ethyl (R)-(-)-3-hydroxybutyrate:

- Ko te tikanga noa ko te whakareri ma te whakamaaramatanga o te waikawa hydroxybutyric, ka tauhohe te waikawa hydroxybutyric me te waihano, ka taapirihia he whakakorikori waikawa penei i te waikawa pungatara me te waikawa formic, ka whakamakuku i te hua parakore i muri i te tauhohenga.

- Ka taea hoki te whakareri ma te whakamaarama i te waikawa succinic me te waihano, te taapiri i nga whakakorikori waikawa, katahi ka hauwai.

 

Mōhiohio Haumaru:

Ko te Ethyl (R)-(-)-3-hydroxybutyrate he haumaru mo te whakamahi whanui, engari me tuhi tonu nga mea e whai ake nei:

- He wai muramura, me karo i te pa atu ki te mura o te ahi me te wera nui.

- Ko nga whakaritenga haumaru e tika ana, penei i te mau karaehe whakamarumaru me nga karapu, me mau i te wa e mahi ana.

- A ape i te ngongo, te horomitanga, me te pa ki te kiri ki te kiri kia kore ai te mamae me te whara.

- Mena ka pa atu, horoia te waahi kua pa ki te nui o te wai me te rapu rongoa.

 


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