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ibicuruzwa

Furfuryl Acetate (CAS # 623-17-6)

Umutungo wa Shimi:

Inzira ya molekulari C7H8O3
Misa 140.14
Ubucucike 1.118g / mLat 25 ° C (lit.)
Ingingo ya Boling 175-177 ° C (lit.)
Flash point 150 ° F.
Umubare wa JECFA 739
Amazi meza 0.5-1.0 g / 100 mL kuri 23 ºC
Umwuka 1.06mmHg kuri 25 ° C.
Kugaragara amazi meza
Ibara ibara
BRN 116128
Imiterere y'Ububiko 2-8 ° C.
Ironderero n20 / D 1.462 (lit.)
Ibintu bifatika na shimi Amazi adafite ibara. Ingingo yo guteka ya 1.1175-177 deg C, ubucucike bugereranije (20/4 deg C) 1.4627, indangagaciro (nD20). Gushonga muri alcool na ether, kudashonga mumazi, mukirere kugirango ubone ibara ryijimye.
Koresha Byakoreshejwe nka flavourant

Ibicuruzwa birambuye

Ibicuruzwa

Ibimenyetso bya Hazard Xi - Kurakara
Kode y'ingaruka 36/37/38 - Kurakaza amaso, sisitemu yubuhumekero nuruhu.
Ibisobanuro byumutekano S24 / 25 - Irinde guhura nuruhu n'amaso.
S37 / 39 - Kwambara uturindantoki dukwiye no kurinda amaso / kurinda amaso
S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
WGK Ubudage 3
RTECS LU9120000
TSCA Yego
Kode ya HS 29321900
Icyitonderwa Kurakara

 

Intangiriro

Furoyl acetate, izwi kandi nka acetylsalicylate, ni ifumbire mvaruganda. Ibikurikira nintangiriro kumiterere, ikoreshwa, uburyo bwo gutegura namakuru yumutekano ya furfuryl acetate:

 

Ubwiza:

Furfuryl acetate ni ibara ritagira ibara ryumuhondo wijimye ufite impumuro idasanzwe. Irashobora gushonga mumashanyarazi atandukanye, nka alcool na ethers, mubushyuhe bwicyumba.

 

Imikoreshereze: Ifite uburyohe bwimbuto bwimbuto kandi ikoreshwa kenshi muburyohe nibirungo kugirango wongere impumuro nuburyohe bwibicuruzwa. Furfur acetate irashobora kandi gukoreshwa mubikorwa byinganda nka coatings, plastike na rubber.

 

Uburyo:

Furfur acetate muri rusange itegurwa na esterification reaction, igikorwa cyihariye ni ugukora aside furfuric hamwe na anhydride ya acetike, ukongeramo catalizator ya esterification nka acide sulfurike cyangwa ammonium ikora, hanyuma ukabyitwaramo mubushuhe nigihe runaka. Iyo reaction irangiye, umwanda ukurwaho no kubura umwuma no kurigata kugirango ubone acetate yuzuye furfuryl.

 

Amakuru yumutekano:

Furfuryl acetate ifite uburozi buke, ariko guhumeka igihe kirekire bishobora kugira ingaruka mbi kubuzima. Furfur acetate ni amazi yaka umuriro kandi agomba kubikwa kure yumuriro uva hamwe nubushyuhe bwo hejuru, kandi akabikwa ahantu hakonje, hahumeka. Witondere ingamba zo gukingira mugihe ukoreshwa, nko kwambara ibirahure birinda, gants zo gukingira hamwe n imyenda ikingira. Mugihe habaye isuka cyangwa uburozi, fata ingamba zambere zubutabazi uhite ushakira ubuvuzi mugihe.


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