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Vanillylacetone(CAS#122-48-5)

Āhuatanga matū:

Tātai rāpoi C11H14O3
Molar Mass 194.23
Kiato 1.14g/mLat 25°C(marama)
Te Whakarewa 40-41°C(marama)
Piro Pouri 141°C0.5mm Hg(marama)
Tohu Kohiko >230°F
Nama JECFA 730
Wairewa Wairewa i roto i te etere me te waimeha alkali, paku wairewa i roto i te wai me te hinu etera.
Kohu Kohu 0.000143mmHg i te 25°C
Te ahua Tioata (mai i te acetone, petroleum ether, ether-petroleum ether)
Tae Te Ma ki te Koma Kowhai He iti te whakarewa
Merck 14,10166
pKa 10.03±0.20(I Matapaetia)
Tikanga Rokiroki Kua hiri ki te maroke, 2-8°C
Taurangi Refactive n20/D 1.541(marama)
MDL MFCD00048232
Te ako in vitro He rite te hanga matū o te Vanillylacetone ki etahi atu matū kakara pera i te vanillin me te eugenol. Ka whakamahia hei taapiri kakara i roto i nga hinu hamana me nga kakara hei whakauru i te kakara kakara. Karekau he vanillylacetone kei roto; Ka huri te kanekane ki te gingerol ma te tunu kai, koinei te tauira o naianei o te huri ki te vanillylacetone na te tauhohenga o te condensation aldol. Ko te Vanillylacetone pea te whakauru kaha o te kanekane hei whai i te awe ki te mate diarrheal.

Taipitopito Hua

Tohu Hua

Waehere Morearea 36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S36 – Mau kakahu whakamarumaru tika.
WGK Tiamana 2
RTECS EL8900000
TSCA Ae
Waehere HS 29333999

 

Kupu Whakataki

Ko te 4-4-Hydroxy-3-methoxybutyl-2-one, e mohiotia ana ko 4-hydroxy-3-methoxypentanone, he pūhui waro. E whai ake nei he kupu whakataki mo etahi o ona taonga, ona whakamahinga, tikanga hanga me nga korero haumaru:

 

Kounga:

- Te ahua: He wai kore tae, he wai kowhai marama ranei, he totoka ranei.

- Wairewa: Ka whakarewahia i roto i nga whakarewa pararopi penei i te waihano me te dimethylformamide, kare e rewa ki te wai.

- Te paitini: He paitini te puhui me te whai tikanga haumaru ina ngongohia, ka pa atu ranei ki te kiri.

 

Whakamahia:

- Nga whakamatautau matū: Ka taea hoki te whakamahi hei reagent mo etahi whakamatautau matū.

 

Tikanga:

Ko te tikanga whakarite o te 4-4-hydroxy-3-methoxybutyl-2-one ka taea e te whakahiato waro i raro i nga tikanga e tika ana. He maha nga huarahi hei whakarite, engari koinei tetahi o nga tikanga ka taea:

Whakarewahia te nui o te pentanone i roto i te whakarewa pararopi.

Tāpirihia he wairewa konutai waihā.

I te pāmahana me te pehanga tonu, ka taapirihia te methanol ki roto i te ranunga tauhohenga.

Ma te taapiri o te methanol, ka hangaia te 4-4-hydroxy-3-methoxybutyl-2-one i roto i te ranunga tauhohenga.

Ka tukatukahia te hua ka purea kia whiwhi ai i te puhui whakamutunga.

 

Mōhiohio Haumaru:

- He ahua paitini tenei puhui, a me karo ma te whakangohanga tika, ma te pa ki te kiri ranei.

- Me mahi nga tikanga haumaru e tika ana ina whakamahia ana, penei i te mau moata matū, te mau karapu matū me nga kakahu whakamarumaru.

- Te tuku para: Ka konatunatua te para ki nga wairewa e tika ana, ka peia atu e tetahi whare tuku para e tika ana kia rite ki nga ture o te rohe.

 


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