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ibicuruzwa

Monomethyl dodecanedioate (CAS # 3903-40-0)

Umutungo wa Shimi:

Inzira ya molekulari C13H24O4
Misa 244.33
Ubucucike 1.012 ± 0.06 g / cm3 (Biteganijwe)
Ingingo yo gushonga 51.5-52 ° C.
Ingingo ya Boling 170 ° C (Kanda: 3 Torr)
Flash point 124.3 ° C.
Gukemura DMSO (Buhoro, Bishyushye), Methanol (Buhoro)
Umwuka 5.28E-06mmHg kuri 25 ° C.
Kugaragara Birakomeye
Ibara Cyera
pKa 4.78 ± 0.10 (Byahanuwe)
Imiterere y'Ububiko Ikidodo cyumye, Ubushyuhe bwicyumba
Ironderero 1.456
Koresha Kuri synthesis y'ibirungo, birashobora kandi gukoreshwa nkuguhindura polyester yuzuye, imiti igabanya ibyuma biremereye, ibikoresho bidasanzwe bya polyurethane

Ibicuruzwa birambuye

Ibicuruzwa

 

Intangiriro

Monomethyl dodecanedioate, izwi kandi nka octylcyclohexylmethyl ester, ni ifumbire mvaruganda.

 

Ubwiza:

- Kugaragara: Monomethyl dodecanedioate ikunze kuboneka nkamazi adafite ibara.

- Gukemura: Gukemura mumashanyarazi kama nka alcool, ethers, na ketone.

- Ignition Ingingo: Hafi 127 ° C.

 

Koresha:

- Monomethyl dodecanedioate ni ibikoresho byingenzi bya chimique, bikoreshwa kenshi mugutegura amavuta meza cyane hamwe namavuta meza.

- Irashobora kandi gukoreshwa nka plasitiki ya plastike na reberi, ikongera uburyo bworoshye kandi bukora neza.

- Monomethyl dodecanedioate irashobora kandi gukoreshwa nkibikoresho fatizo byo guhuza ibinyabuzima, nko gutegura amarangi, fluorescents, imiti yo gushonga hamwe na plastike.

 

Uburyo:

Gutegura monomethyl dodecanedioate mubisanzwe bikorwa nintambwe zikurikira:

1. Ongeramo aside dodecanedioic na methanol kuri reaction.

2. Imyitwarire ya Esterification ku bushyuhe bukwiye hamwe nigitutu mubisanzwe bisaba ko habaho catalizator nka acide sulfurike cyangwa aside hydrochloric.

3. Nyuma yo kurangiza reaction, ibicuruzwa biratandukana kandi bigasukurwa no kuyungurura cyangwa kuyungurura.

 

Amakuru yumutekano:

- Irinde guhumeka, guhura nuruhu n'amaso. Ibikoresho bikwiye birinda nka gants, ibirahure birinda, n imyenda ikingira bigomba kwambara mugihe cyo gukora.

- Irinde guhura nibintu bikomeye bya okiside mugihe cyo kubika no gutwara kugirango wirinde umuriro no guturika.

- Mugihe cyo gutunganya no guta imyanda, ukurikize amategeko n'amabwiriza abigenga, kandi ujugunye imyanda uko bikwiye.


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