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Vanillin(CAS#121-33-5)

Āhuatanga matū:

Tātai rāpoi C8H8O3
Molar Mass 152.15
Kiato 1.06
Te Whakarewa 81-83°C(marama)
Piro Pouri 170°C15mm Hg(marama)
Tohu Kohiko 147 °C
Nama JECFA 889
Wairewa wai 10 g/L (25 ºC)
Wairewa Wairewa i roto i te 125 wa wai, 20 wa ethylene glycol me te 2 wa 95% waiwaro, wairewa i roto i te chloroform.
Kohu Kohu >0.01 mm Hg (25 °C)
Kohu Kohu 5.3 (me te hau)
Te ahua Kiriata ngira ma.
Tae He ma ki te kowhai kowhai
Merck 14,9932
BRN 472792
pKa pKa 7.396±0.004(H2OI = 0.00t = 25.0±1.0) (Whakapono)
PH 4.3 (10g/l, H2O, 20 ℃)
Tikanga Rokiroki 2-8°C
Te pumau Eu ana. Ka pa ana te tae ki te marama. Makuku-tairongo. Kare e hototahi ki te kaha o te waiora, te waikawa perchloric.
Tairongo Te Hau me te Maama
Taurangi Refactive 1.4850 (whakatau tata)
MDL MCD00006942
Āhuatanga ā-tinana, matū hoki He kiripiri rite ki te ngira ma. Te kakara kakara.
Whakamahi Hei reagent paerewa mo te tātari waro

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xi – Irritant
Waehere Morearea R22 – He kino ki te horomia
R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
R36 – He whakapataritari ki nga kanohi
Whakaahuatanga Haumaru 26 – Ki te pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
WGK Tiamana 1
RTECS YW5775000
TSCA Ae
Waehere HS 29124100
Te paitini LD50 ā-waha i roto i te kiore, poaka guinea: 1580, 1400 mg/kg (Jenner)

 

Kupu Whakataki

Ko te Vanillin, e mohiotia ana ko te vanillin, he puhui pararopi me te kakara ahurei me te reka.

 

He maha nga huarahi ki te hanga vanillin. Ko te tikanga e whakamahia nuitia ana ka tangohia, ka whakahiatotia ranei mai i te vanilla maori. Ko nga tangohanga vanilla taiao ko te kapia tarutaru he mea tango mai i nga pene vanilla me te vanillin rakau i tangohia mai i te rakau. Ko te tikanga whakahiato ko te whakamahi i te phenol mata ma te tauhohenga phenolic condensation ki te whakaputa vanillin.

Ko te Vanillin he matū ngiha, me waiho kia matara atu i te mura ahi me te wera nui. Kia mau i nga karapu whakamarumaru me nga karaehe i te wa e mahi ana kia kore e pa ki te kiri me nga kanohi. Me karohia ano te whakaurunga o te puehu me te kohu me te whakahaere i nga mahi ki nga waahi whai hau. Ko te Vanillin te tikanga he matū tino haumaru e kore e nui ake te kino o te tangata ina whakamahia me te penapena tika. Heoi, mo etahi tangata e mate mate mate ana, ka roa, ka nui ranei te rongo ki te vanillin ka puta he mate mate mate mate, me whakamahi ma te tupato.


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