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ibicuruzwa

sovalericacid (CAS # 503-74-2)

Umutungo wa Shimi:

Inzira ya molekulari C5H10O2
Misa 102.13
Ubucucike 0,925 g / mL kuri 20 ° C (lit.)
Ingingo yo gushonga -29 ° C (lit.)
Ingingo ya Boling 175-177 ° C (lit.)
Flash point 159 ° F.
Umubare wa JECFA 259
Amazi meza 25 g / L (20 ºC)
Gukemura Gukemura mubice 24 byamazi, gushonga muri Ethanol; ether na chloroform.
Umwuka 0,38 mm Hg (20 ° C)
Kugaragara Amazi meza
Uburemere bwihariye 0.928 (20/20 ℃)
Ibara Sobanura ibara ritagira ibara ry'umuhondo
Merk 14,5231
BRN 1098522
pKa 4.77 (kuri 25 ℃)
PH 3.92 (igisubizo cya mM 1); 3.4 (10 mM igisubizo); 2.89 (100 mM igisubizo);
Imiterere y'Ububiko Ubike munsi ya + 30 ° C.
Umupaka uturika 1.5-6.8% (V)
Ironderero n20 / D 1.403 (lit.)
MDL MFCD00002726
Ibintu bifatika na shimi Imiterere: ibara ridafite ibara ryuzuye rifite impumuro idashimishije. Ingingo yo gushonga -29.3 ℃

ingingo itetse 176.7 ℃

ubucucike ugereranije 0.9286

indangagaciro yo gukuraho 1.4033

BR> gukomera: gushonga mumazi. Ntibisanzwe hamwe na Ethanol na ether.

Koresha Gutegura ibirungo

Ibicuruzwa birambuye

Ibicuruzwa

Kode y'ingaruka R34 - Bitera gutwikwa
R24 - Uburozi buhuye nuruhu
R22 - Byangiza niba byamizwe
Ibisobanuro byumutekano S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S36 / 37/39 - Wambare imyenda ikingira, uturindantoki no kurinda amaso / mu maso.
S45 - Mugihe habaye impanuka cyangwa niba wumva utameze neza, shaka inama zubuvuzi ako kanya (erekana ikirango igihe cyose bishoboka.)
S38 - Mugihe uhumeka udahagije, ambara ibikoresho byubuhumekero.
S28A -
Indangamuntu ya Loni UN 3265 8 / PG 2
WGK Ubudage 1
RTECS NY1400000
FLUKA BRAND F CODES 13
TSCA Yego
Kode ya HS 2915 60 90
Icyiciro cya Hazard 6.1
Itsinda ryo gupakira III
Uburozi LD50 iv mu mbeba: 1120 ± 30 mg / kg (Cyangwa, Wretlind)

 

Intangiriro

Acide Isovaleric. Ibikurikira ni intangiriro kumiterere, imikoreshereze, uburyo bwo gutegura namakuru yumutekano ya acide isovaleric:

 

Ubwiza:

Kugaragara: Amazi adafite ibara cyangwa umuhondo afite impumuro mbi isa na acide acike.

Ubucucike: 0,94g / cm³

Gukemura: gushonga mumazi, birashobora kandi kutumvikana na Ethanol, ether nibindi byangiza umubiri.

 

Koresha:

Synthesis: Acide Isovaleric ni synthèse yingirakamaro hagati yimiti, ikoreshwa cyane mubice byinshi byinganda nka synthesis organic, farumasi, coatings, rubber na plastike.

 

Uburyo:

Uburyo bwo gutegura aside isovaleric ikubiyemo inzira zikurikira:

Binyuze muri okiside ya n-butanol, okiside ya n-butanol kuri aside isovaleric ikorwa hifashishijwe aside aside na ogisijeni.

Magnesium butyrate ikorwa nigikorwa cya magnesium butyl bromide hamwe na dioxyde de carbone, hanyuma igahinduka aside isovaleric ikoresheje monoxide ya karubone.

 

Amakuru yumutekano:

Acide Isovaleric ni ibintu byangirika, irinde guhura nuruhu n'amaso, kandi witondere gukoresha uturindantoki turinda, ibirahure byumutekano n imyenda ikingira.

Iyo ukoresheje aside isovaleric, guhumeka umwuka wacyo bigomba kwirindwa kandi igikorwa kigakorerwa ahantu hafite umwuka mwiza.

Ingingo yo gutwika ni mike, irinde guhura ninkomoko yumuriro, kandi ubike kure yumuriro ufunguye nubushyuhe.

Mugihe habaye impanuka ya acide isovaleric, kwoza ako kanya n'amazi menshi hanyuma ushakire kwa muganga.


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