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diethyl ethylidenemalonate (CAS#1462-12-0)

Ngwongwo kemịkalụ:

Usoro ihe omimi C9H14O4
Molar Mass 186.21
Njupụta 1.019 g/ml na 25 Celsius C (ọkụ)
Ebe Boling 115-118 Celsius C/17 mmHg (ọkụ)
Ebe mgbari >230°F
Uzuoku nrịbama 0.0601mmHg na 25°C
Nnukwu ike ndọda 1.019
BRN 1773932
Ọnọdụ Nchekwa Emechiri ya na nkụ, Okpomọkụ ụlọ
Ntụgharị uche n20/D 1.442 (ọkụ)
MDL MFCD00009145

Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu Xi - mgbakasị ahụ
Nkọwapụta nchekwa 24/25 - Zere kọntaktị na akpụkpọ anụ na anya.
WGK Germany 3

 

Okwu mmalite

Diethyl malonate (diethyl malonate) bụ ngwakọta organic. Ihe ndị a bụ ozi gbasara njirimara, ojiji, ụzọ nkwadebe na nchekwa nke diethyl ethylene malonate:

 

Ogo:

Ọdịdị: mmiri mmiri na-enweghị agba.

Njupụta: 1.02 g/cm³.

Solubility: Diethyl ethylene malonate bụ soluble n'ọtụtụ ihe mgbaze organic dị ka alcohols, ethers, na esters.

 

Jiri:

A na-ejikarị Diethyl ethylene malonate mee ihe dị ka reagent dị mkpa na njikọ organic. Enwere ike iji ya mee ka ogige ndị dị ka ketones, ethers, acids, wdg.

Enwere ike iji Diethyl ethylene malonate mee ihe dị ka ihe mgbaze na ihe mgbaze.

 

Usoro:

Enwere ike ịmepụta Diethyl ethylene malonate site na mmeghachi omume nke ethanol na malonic anhydride n'ihu onye na-emepụta acid. Ọnọdụ mmeghachi omume bụ n'ozuzu oke okpomọkụ na nrụgide dị elu.

 

Ozi nchekwa:

Diethyl ethylene malonate bụ mmiri mmiri na-ere ọkụ, nke nwere ike ịkpata ọkụ ngwa ngwa mgbe ọkụ mepere emepe ma ọ bụ okpomọkụ dị elu. Ekwesịrị ịchekwa ya ma jiri ya pụọ ​​na isi ọkụ na ebe okpomọkụ dị elu.

Ekwesịrị ịkpachapụ anya ka ịzere kọntaktị na akpụkpọ ahụ, anya na traktị iku ume, yana akụrụngwa nchedo onwe onye dị ka uwe mkpuchi, enyo na ihe mkpuchi kwesịrị iyi mgbe ọ dị mkpa.

Ekwesịrị ịkpachara anya iji gbochie ntanye n'oge eji na nchekwa, yana zere imeghachi omume na oxidants siri ike na acid siri ike.

Ekwesịrị ịgụ akwụkwọ mpempe akwụkwọ nchekwa nchekwa ngwaahịa (MSDS) maka ozi nchekwa zuru oke tupu ejiri ya.


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