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ibicuruzwa

Vanillin (CAS # 121-33-5)

Umutungo wa Shimi:

Inzira ya molekulari C8H8O3
Misa 152.15
Ubucucike 1.06
Ingingo yo gushonga 81-83 ° C (lit.)
Ingingo ya Boling 170 ° C15mm Hg (lit.)
Flash point 147 ° C.
Umubare wa JECFA 889
Amazi meza 10 g / L (25 ºC)
Gukemura Gukemura inshuro 125 mumazi, inshuro 20 Ethylene glycol na 2% 95% Ethanol, gushonga muri chloroform.
Umwuka > 0,01 mm Hg (25 ° C)
Ubucucike bw'umwuka 5.3 (vs ikirere)
Kugaragara Urushinge rwera.
Ibara Umweru kugeza umuhondo
Merk 14,9932
BRN 472792
pKa pKa 7.396 ± 0.004 (H2OI = 0.00t = 25.0 ± 1.0) (Yizewe)
PH 4.3 (10g / l, H2O, 20 ℃)
Imiterere y'Ububiko 2-8 ° C.
Igihagararo Ihamye. Irashobora guhindura ibara ryerekana urumuri. Ubushuhe. Ntibishobora gukoreshwa na okiside ikomeye, aside ya perchlorike.
Yumva Umwuka & Umucyo
Ironderero 1.4850 (igereranya)
MDL MFCD00006942
Ibintu bifatika na shimi Urushinge rwera rumeze nka kristu. Impumuro nziza.
Koresha Nka reagent isanzwe yo gusesengura kama

Ibicuruzwa birambuye

Ibicuruzwa

Ibimenyetso bya Hazard Xi - Kurakara
Kode y'ingaruka R22 - Byangiza niba byamizwe
R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu.
R36 - Kurakaza amaso
Ibisobanuro byumutekano 26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama kwa muganga.
WGK Ubudage 1
RTECS YW5775000
TSCA Yego
Kode ya HS 29124100
Uburozi LD50 mu kanwa mu mbeba, ingurube: 1580, 1400 mg / kg (Jenner)

 

Intangiriro

Vanillin, imiti izwi nka vanillin, ni urugingo ngengabuzima rufite impumuro nziza nuburyohe.

 

Hariho uburyo bwinshi bwo gukora vanillin. Uburyo bukoreshwa cyane burakurwa cyangwa bugashirwa muri vanilla naturel. Ibikomoka kuri vanilla bisanzwe birimo ibyatsi bivanwa mu bishishwa bya vanilla hamwe n’ibiti bya vanillin byakuwe mu biti. Uburyo bwa synthesis ni ugukoresha fenolike mbisi binyuze mumikorere ya fenolike kugirango habeho vanillin.

Vanillin ni ikintu cyaka kandi kigomba kubikwa kure yumuriro nubushyuhe bwinshi. Wambare uturindantoki two gukingira hamwe n'amadarubindi mugihe cyo kubaga kugirango wirinde guhura n'uruhu n'amaso. Guhumeka umukungugu cyangwa imyuka nabyo bigomba kwirindwa kandi ibikorwa bigomba gukorerwa ahantu hafite umwuka mwiza. Ubusanzwe Vanillin ifatwa nkimiti ifite umutekano muke idatera ingaruka mbi kubantu iyo ikoreshejwe kandi ibitswe neza. Nyamara, kubantu bamwe bafite allergie, igihe kirekire cyangwa kinini guhura na vanillin birashobora gutera allergique kandi bigomba gukoreshwa mubwitonzi.


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