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ibicuruzwa

2-Methyl butyric aside (CAS # 116-53-0)

Umutungo wa Shimi:

Inzira ya molekulari C5H10O2
Misa 102.13
Ubucucike 0,936 g / mL kuri 25 ° C (lit.)
Ingingo yo gushonga -70 ° C.
Ingingo ya Boling 176-177 ° C (lit.)
Flash point 165 ° F.
Umubare wa JECFA 255
Amazi meza 45 g / L (20 ºC)
Gukemura 20g / l
Umwuka 0,5 mm Hg (20 ° C)
Kugaragara Amazi
Ibara Sobanura ibara ritagira ibara ry'umuhondo
BRN 1720486
pKa 4.8 (kuri 25 ℃)
Imiterere y'Ububiko Ikidodo cyumye, Ubushyuhe bwicyumba
Umupaka uturika 1.6-7.3% (V)
Ironderero n20 / D 1.405 (lit.)
Ibintu bifatika na shimi Hano hari isomeri eshatu za d-, l-na dl-, zitagira ibara ryijimye ryumuhondo wijimye, impumuro nziza yihene ya foromaje, impumuro nke y impumuro nziza yimbuto nziza, uburyohe bwa octonic. Ingingo itetse ni 176 ℃ (dl -), l-ubwoko 176 ~ 177 ℃, dl-Ubwoko 173 ~ 174 ℃. Ubucucike bugereranije d na l ubwoko (d420) 0.934, dl ubwoko (d420) 0.9332. Ironderero ryerekana Ubwoko d (nD21.2) 1.4044. Guhinduranya neza d ubwoko [α] D 16 ° ~ 21 °, l ubwoko [α] D-6 ° ~ -18 °, flash point 83 ℃. Gushonga buhoro mumazi na glycerol, gushonga muri Ethanol na propylene glycol. Ibicuruzwa bisanzwe (Ubwoko d) biboneka muburyo bwa ester mumavuta ya lavender, kandi ubwoko bwa dl burahari muri kawa no mumuzi ya angelica, nibindi.
Koresha Mugutegura ibiryo, itabi nuburyohe bwa buri munsi

Ibicuruzwa birambuye

Ibicuruzwa

Ibimenyetso bya Hazard C - Kubora
Kode y'ingaruka R21 / 22 - Byangiza guhura nuruhu kandi niba byamizwe.
R34 - Bitera gutwikwa
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.)
Indangamuntu ya Loni UN 3265 8 / PG 3
WGK Ubudage 1
RTECS EK7897000
FLUKA BRAND F CODES 13
TSCA Yego
Kode ya HS 29156090
Icyiciro cya Hazard 8
Itsinda ryo gupakira III

 

Intangiriro

2-Acide ya Methylbutyric. Ibikurikira ni intangiriro kumiterere, imikoreshereze, uburyo bwo gutegura namakuru yumutekano ya acide 2-methylbutyric:

 

Ubwiza:

Kugaragara: 2-methylbutyric aside ni ibara ritagira ibara cyangwa kirisiti.

Ubucucike: hafi. 0,92 g / cm³.

Gukemura: 2-methylbutyric aside irashonga igice mumazi.

 

Koresha:

Irashobora kandi gukoreshwa nkigishishwa cyibisigazwa, plasitike ya plastiki, hamwe nudusimba two gutwikira.

2-Acide ya Methylbutyric irashobora kandi gukoreshwa mugutegura ibyuma byangiza ingese hamwe namashanyarazi.

 

Uburyo:

Uburyo bwo gutegura aside 2-methylbutyric nuburyo bukurikira:

Byateguwe na okiside reaction ya Ethanol.

Byateguwe na okiside reaction ya 2-methacryrolen.

 

Amakuru yumutekano:

2-Acide Methylbutyric irakaze kandi irashobora gutera uburakari na erythma mugihe uhuye nuruhu, kandi hagomba kwirindwa guhura nuruhu.

Guhumeka umwuka wa 2-methylbutyric aside irashobora gutera uburibwe bwo mu muhogo, kurakara mu myanya y'ubuhumekero, no gukorora, kandi hagomba kwitonderwa guhumeka no kurinda umuntu ku giti cye.

Mugihe cyo gukoresha, guhura na okiside ikomeye hamwe n’umuriro bigomba kwirindwa kugirango wirinde ingaruka mbi.

Mugihe cyo kubika no gutunganya, guhindagurika cyane hamwe nubushyuhe bwo hejuru bigomba kwirindwa.

 


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