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ibicuruzwa

Acide Isobutyric (CAS # 79-31-2)

Umutungo wa Shimi:

Inzira ya molekulari C4H8O2
Misa 88.11
Ubucucike 0,95 g / mL kuri 25 ° C (lit.)
Ingingo yo gushonga -47 ° C (lit.)
Ingingo ya Boling 153-154 ° C (lit.)
Flash point 132 ° F.
Umubare wa JECFA 253
Amazi meza 210 g / L (20 ºC)
Gukemura 618g / l
Umwuka 1,5 mm Hg (20 ° C)
Ubucucike bw'umwuka 3.04 (vs ikirere)
Kugaragara Amazi
Ibara Sobanura ibara
Merk 14.5155
BRN 635770
pKa 4.84 (kuri 20 ℃)
PH 3.96 (igisubizo cya mM 1); 3.44 (10 mM igisubizo); 2.93 (100 mM igisubizo);
Imiterere y'Ububiko Ubike munsi ya + 30 ° C.
Umupaka uturika 1.6-7.3% (V)
Ironderero n20 / D 1.393 (lit.)
Ibintu bifatika na shimi Amavuta adafite ibara afite impumuro nziza.
gushonga -47 ℃
ingingo itetse 154.5 ℃
ubucucike ugereranije 0.949
indangantego yo gukuraho 1.3930
flash point 76.67
solubile ntishobora kuboneka namazi, gushonga muri Ethanol, ether, nibindi.
Koresha Ahanini ikoreshwa muguhuza ibicuruzwa bya isobutyric acide ester nka methyl, Propyl isobutyrate, isoamyl Ester, benzyl ester, nibindi, birashobora gukoreshwa nkibirungo biribwa, bikoreshwa no muri farumasi

Ibicuruzwa birambuye

Ibicuruzwa

Ibimenyetso bya Hazard Xn - Byangiza
Kode y'ingaruka 21/22 - Byangiza guhura nuruhu kandi niba byamizwe.
Ibisobanuro byumutekano S23 - Ntugahumeke umwuka.
S36 / 37/39 - Wambare imyenda ikingira, uturindantoki no kurinda amaso / mu maso.
S24 / 25 - Irinde guhura nuruhu n'amaso.
Indangamuntu ya Loni UN 2529 3 / PG 3
WGK Ubudage 1
RTECS NQ4375000
FLUKA BRAND F CODES 13
TSCA Yego
Kode ya HS 29156000
Icyiciro cya Hazard 3
Itsinda ryo gupakira III
Uburozi LD50 mu kanwa mu Rukwavu: 266 mg / kg LD50 dermal Urukwavu 475 mg / kg

 

Intangiriro

Acide Isobutyric, izwi kandi nka acide 2-methylpropionic, ni ifumbire mvaruganda. Ibikurikira nintangiriro irambuye kumiterere, imikoreshereze, uburyo bwo gutegura namakuru yumutekano ya acide isobutyric:

 

Ubwiza:

Kugaragara: Amazi adafite ibara afite impumuro idasanzwe.

Ubucucike: 0,985 g / cm³.

Gukemura: Kubora mumazi hamwe na solge nyinshi.

 

Koresha:

Umuti: Bitewe no gukomera kwinshi, aside isobutyric ikoreshwa cyane nkumuti, cyane cyane mumarangi, amarangi, hamwe nisuku.

 

Uburyo:

Uburyo busanzwe bwo gutegura aside isobutyric iboneka hakoreshejwe okiside ya butene. Iyi nzira itangizwa na catalizator kandi ikorwa mubushyuhe bwinshi hamwe nigitutu.

 

Amakuru yumutekano:

Acide Isobutyric ni imiti yangirika ishobora gutera uburakari no kwangirika mugihe uhuye nuruhu namaso, kandi ingamba zikwiye zigomba kwambara mugihe uyikoresheje.

Kumara igihe kirekire bishobora gutera umwuma, guturika, hamwe na allergique.

Mugihe cyo kubika no gutunganya aside isobutyric, igomba kubikwa kure yumuriro nubushyuhe bwinshi kugirango wirinde inkongi yumuriro nibiturika.


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