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diethyl chloromalonate(CAS#14064-10-9)

Āhuatanga matū:

Tātai rāpoi C7H11ClO4
Molar Mass 194.61
Kiato 1.204 g/mL i te 25 °C (marama)
Piro Pouri 279.11°C (whakatau tata)
Tohu Kohiko >230°F
Wairewa Chloroform (Paku), Ethyl Acetate (Paku), Methanol (Paku)
Kohu Kohu 0.104mmHg i te 25°C
Te ahua Waiwai
Te taumahatanga motuhake 1.204
Tae Maama kore tae
pKa 9.07±0.46(I Matapaetia)
Tikanga Rokiroki Ko te hau hau,2-8°C
Taurangi Refactive n20/D 1.432(marama)

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate C – Huka
Waehere Morearea R34 – He weranga
R36/37 – He whakapataritari ki nga kanohi me te punaha manawa.
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S27 – Wewetehia nga kakahu poke katoa.
S28 – I muri i te pa ki te kiri, horoi tonu ki te maha o te hopi-hu.
S36/37/39 – Mau kakahu whakamarumaru tika, karapu me te whakamarumaru kanohi/kanohi.
S45 – Ki te puta he aitua, ki te kore ranei koe e pai, rapu wawe i nga tohutohu hauora (whakaatuhia te tapanga ina taea.)
UN ID UN 3265 8/PG 2
WGK Tiamana 3
Waehere HS 29171990
Te akomanga morearea 8
Roopu Tarapi III

 

Kupu Whakataki

Diethyl chloromalonate (e mohiotia ana ko DPC). E whai ake nei he kupu whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o te diethyl chloromalonate:

 

1. Taiao:

- Te ahua: Ko te Diethyl chloromalonate he wai kore tae.

- Wairewa: Ka whakarewahia i roto i te nuinga o nga whakarewa pararopi, penei i te waipiro, te etera, me te waiwaro kakara, engari he rire noa ki te wai.

- Pumautanga: He ahua pumau ki te maama me te wera, engari ka taea te whakaputa hau hauwai hauwai hauwai paitini i te wera nui, i te mura ahi ranei.

 

2. Whakamahinga:

- Hei whakarewa: Ka taea te whakamahi i te Diethyl chloromalonate hei whakarewa, ina koa i roto i te whakahiato waro ki te memeha me te tauhohe i nga puhui waro.

- Te whakahiato matū: He reagent e whakamahia nuitia ana mo te whakahiato i nga esters, amides, me etahi atu puhui waro.

 

3. Tikanga:

- Ka taea te whiwhi i te Diethyl chloromalonate ma te tauhohenga o te diethyl malonate me te hauwai hauwai. Ko te tikanga tauhohenga kei te pāmahana rūma, hauwai hauwai pūhaumāota ka whakaurua ki roto diethyl malonate, ka tāpirihia he whakakōkī hei whakatairanga i te tauhohenga.

- Whārite tauhohenga: CH3CH2COOCH2CH3 + HCl → ClCH2COOCH2CH3 + H2O

 

4. Mōhiohio Haumaru:

- He kakara kino te Diethyl chloromalonate, a tera pea ka pawera te kiri, nga kanohi, me te ara manawa.

- He wai muramura e tika ana kia penapena ki roto i te waahi hauhautanga, whai hau pai, kia matara atu i nga puna ahi me nga mura ahi.

- Ko nga taputapu whakamarumaru whaiaro e tika ana penei i nga karapu, nga karaehe, me nga kakahu whakamarumaru me mau i te wa e whakahaere ana.


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