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ibicuruzwa

DL-3-Methylvaleric aside (CAS # 105-43-1)

Umutungo wa Shimi:

Inzira ya molekulari C6H12O2
Misa 116.16
Ubucucike 0,93 g / mL kuri 25 ° C (lit.)
Ingingo yo gushonga -41 ° C.
Ingingo ya Boling 196-198 ° C (lit.)
Flash point 185 ° F.
Umubare wa JECFA 262
Amazi meza kutabasha
Umwuka 0.147mmHg kuri 25 ° C.
Kugaragara amazi meza
Uburemere bwihariye 0.930
Ibara Ibara ritagira ibara hafi
BRN 1720696
pKa pK1: 4.766 (25 ° C)
Imiterere y'Ububiko Ikidodo cyumye, Ubushyuhe bwicyumba
Ironderero n20 / D 1.416 (lit.)
Ibintu bifatika na shimi Amazi adafite ibara, impumuro y'ibyatsi ikarishye, hamwe numunuko muto wibyatsi. Ingingo yo guteka d-110 deg C (4000Pa); l-196 ~ 197 deg C;. Dl-197.5 deg C; Ingingo ivanze ingingo 197 ~ 198 deg C. Ubucucike bujyanye, d- (d420.5) 0.9276; l- (d425) 0.9230; dl- (d420) 0.9262. Igipimo cyangirika d- (nD20.5) 1.4158; l- (nD25) 1.4152; dl- (nD20) 1.4159. Guhinduranya neza d- [α] D20 8.5 ° (muri Ethanol); l- [α] D20-8.9 ° (muri Ethanol). Flash point 85. Ibicuruzwa bisanzwe biboneka muri foromaje nibindi bisa.

Ibicuruzwa birambuye

Ibicuruzwa

Ibimenyetso bya Hazard C - Kubora
Kode y'ingaruka 34 - Bitera gutwika
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 2
WGK Ubudage 3
FLUKA BRAND F CODES 13
TSCA T
Kode ya HS 29159080
Icyitonderwa Ruswa
Icyiciro cya Hazard 8
Itsinda ryo gupakira II

 

Intangiriro

3-Methylpentanoic aside ni ifumbire mvaruganda. Ibikurikira ni intangiriro kumiterere, imikoreshereze, uburyo bwo gutegura namakuru yumutekano ya 3-methylpentanoic aside:

 

Ubwiza:

- Kugaragara: 3-Methylpenteric aside ni amazi atagira ibara.

- Gukemura: Kubora mumazi hamwe nibisanzwe bisanzwe.

- Impumuro: impumuro nziza.

 

Koresha:

- 3-Methylpentanoic aside ikoreshwa kenshi nkimiti igereranya muguhuza ibindi bintu kama.

- Irashobora kandi gukoreshwa nkumusemburo mubice bimwe.

 

Uburyo:

- 3-Methylpenteric aside irashobora kuboneka hiyongereyeho polymerisation ya karubone ya propylene. Methylvaleric anhydride ifata methacrylenol mugisubizo cya reaction kugirango ikore 3-methylpentanoate. Noneho, aside-methylvaleric 3 ikorwa na aside hydrocyanic kugirango ibone aside 3-methylpentanoic.

 

Amakuru yumutekano:

- 3-Methylpentanoic aside ni umujinya ushobora gutera uburakari uhuye nuruhu n'amaso. Gants zo gukingira no kurinda amaso bigomba kwambara mugihe ukoresheje.

- Mugihe cyo kubika no gukoresha, birakenewe kubungabunga ibidukikije bihumeka neza no kwirinda guhura numuriro.


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