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ibicuruzwa

Acide ya Valeric (CAS # 109-52-4)

Umutungo wa Shimi:

Inzira ya molekulari C5H10O2
Misa 102.13
Ubucucike 0.939g / mLat 25 ° C (lit.)
Ingingo yo gushonga −20-−18 ° C (lit.)
Ingingo ya Boling 110-111 ° C10mm Hg (lit.)
Flash point 192 ° F.
Umubare wa JECFA 90
Amazi meza 40 g / L (20 ºC)
Gukemura 40g / l
Umwuka 0,15 mm Hg (20 ° C)
Ubucucike bw'umwuka 3.5 (vs ikirere)
Kugaragara Amazi
Ibara Sobanura ibara ritagira ibara ry'umuhondo
Merk 14,9904
BRN 969454
pKa 4.84 (kuri 25 ℃)
PH 3.95 (igisubizo 1 mM); 3.43 (10 mM igisubizo); 2.92 (100 mM igisubizo);
Imiterere y'Ububiko Ubike munsi ya + 30 ° C.
Umupaka uturika 1.8-7.3% (V)
Ironderero n20 / D 1.408 (lit.)
Ibintu bifatika na shimi ibara ritagira ibara numunuko udashimishije
ibara ritagira ibara cyangwa ibara ry'umuhondo risa neza.
Koresha Ahanini ikoreshwa mugutegura N-valerate, synthesis organic yibikoresho fatizo fatizo, bikoreshwa cyane mubirungo, imiti, amavuta, amavuta ya pulasitike nizindi nganda.

Ibicuruzwa birambuye

Ibicuruzwa

Ibimenyetso bya Hazard C - Kubora
Kode y'ingaruka R34 - Bitera gutwikwa
R52 / 53 - Byangiza ibinyabuzima byo mu mazi, birashobora gutera ingaruka mbi zigihe kirekire mubidukikije.
Ibisobanuro byumutekano S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S36 - Kwambara imyenda ikingira.
S45 - Mugihe habaye impanuka cyangwa niba wumva utameze neza, shaka inama zubuvuzi ako kanya (erekana ikirango igihe cyose bishoboka.)
S61 - Irinde kurekura ibidukikije. Reba amabwiriza yihariye / impapuro z'umutekano.
Indangamuntu ya Loni UN 3265 8 / PG 3
WGK Ubudage 1
RTECS YV6100000
FLUKA BRAND F CODES 13
TSCA Yego
Kode ya HS 29156090
Icyiciro cya Hazard 8
Itsinda ryo gupakira III
Uburozi LD50 iv mu mbeba: 1290 ± 53 mg / kg (Cyangwa, Wretlind)

 

Intangiriro

Acide N-valeric, izwi kandi nka acide valeric, ni ifumbire mvaruganda. Ibikurikira nintangiriro kumiterere, imikoreshereze, uburyo bwo gutegura namakuru yumutekano ya acide n-valeric:

 

Ubwiza:

Acide N-valeric ni amazi atagira ibara afite uburyohe bwimbuto kandi ashonga mumazi.

 

Koresha:

Acide N-valeric ifite imikoreshereze itandukanye munganda. Ikintu kimwe cyingenzi gisabwa ni nkigishishwa mu nganda nka coatings, amarangi, ibifunga, nibindi.

 

Uburyo:

Acide ya Valeric irashobora gutegurwa muburyo bubiri busanzwe. Uburyo bumwe ni uguhindura igice cya pentanol na ogisijeni imbere ya catalizator yo kubyara aside n-valeric. Ubundi buryo ni ugutegura aside n-valeric ukoresheje okiside 1,3-butanediol cyangwa 1,4-butanediol hamwe na ogisijeni imbere ya catalizator.

 

Amakuru yumutekano:

Acide Norvaleric ni amazi yaka umuriro kandi agomba kubikwa kure yumuriro nubushyuhe. Mugihe ukoresha no gukoresha, birakenewe gufata ingamba zikenewe zo kurinda, nko kwambara ibirahure birinda, gants zo gukingira hamwe n imyenda ikingira. Acide N-valeric igomba kandi kubikwa mu kintu cyumuyaga, kure ya okiside n'ibiribwa. Hagomba kwitonderwa mugihe ubitse kandi ugakoresha kugirango wirinde gufata indi miti.


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