Ethyl acetoacetate (EAA) CAS 141-97-9

Menene Ethyl acetoacetate?

Ethyl acetoacetate, wanda aka fi sani da EAA, shine kwayoyin β-keto ester da ake amfani da shi azaman tsaka-tsaki mai mahimmanci a cikin haɗin sinadarai. Sunan IUPAC ethyl 3-oxobutanoate.

EAA ya ƙunshi ƙungiyar ketone, ƙungiyar ester da ƙungiyar methylene mai amsawa. Wannan haɗin yana sa ya zama mai amfani a cikin alkylation, acylation, condensation, cyclization da sauran halayen haɗin gwiwar carbon-carbon.

Yakan bayyana a matsayin ruwa mai haske, mara launi zuwa kodadde-rawaya tare da kamshin 'ya'yan itace.

Ethyl Acetoacetate Identification da Kaddarorin

Ƙimar da aka nuna a sama bayanan tunani ne na gaba ɗaya. Dole ne a tabbatar da buƙatun ƙarshe a kan ƙayyadaddun da aka yarda da su da Takaddun Takaddun Bincike.

Shin Ethyl acetoacetate Organic ko Inorganic?

Ethyl acetoacetate wani abu ne na kwayoyin halitta. Yana cikin dangin β-keto ester kuma ya ƙunshi carbonyl, ester da aikin methylene mai aiki.

A kasuwanci, EAA da farko an rarraba shi azaman matsakaicin sinadari mai kyau. Idan rukunin gidan yanar gizo ɗaya kaɗai za a iya zaɓar, 'Matsakaici' shine zaɓi mafi dacewa.

Me yasa EAA Matsayin Tsakanin Kemikal Mai Juyi?

Ƙungiyar methylene tsakanin ƙungiyoyin carbonyl guda biyu sun fi mayar da martani fiye da ƙungiyar methylene hydrocarbon na al'ada. A ƙarƙashin halayen halayen da suka dace, EAA na iya samar da tsaka-tsakin nucleophilic kuma suna amsawa tare da nau'ikan electrophiles.

Hakanan EAA na iya kasancewa a cikin keto da sifofin enol. Wannan ma'auni na keto-enol yana rinjayar aikin sa, spectroscopy da gwajin nazari.

Waɗannan kaddarorin suna sa EAA amfani don ginawa:

• Canjin ketones

• Heterocyclic mahadi

• Matsakaicin magunguna

• Matsakaicin Agrochemical

• Rini da pigments

• Na musamman guduro Additives

Ya kamata abokin ciniki ya kimanta yanayin amsawa da dacewa da samfur.

Ethyl acetoacetate vs. Similar Chemicals

Ethyl acetoacetate da ethyl acetate ba su canzawa. Cikakken sunan sinadari da lambar CAS yakamata a tabbatar da su koyaushe.

Menene Ethyl Acetoacetate Ana Amfani dashi Don?

Matsakaicin Magunguna

Ana amfani da EAA azaman tsaka-tsakin ginin carbon a cikin haɗaɗɗun magungunan magunguna da aka zaɓa da tsarin heterocyclic.

Agrochemical Intermediates

Rukunin methylene mai aiki yana sa ya zama mai amfani a cikin samar da zaɓaɓɓen maganin kashe qwari, herbicide, fungicides da shuke-shuke-tsara-tsara.

Rini da Pigments

EAA na iya shiga cikin natsuwa da halayen haɗaɗɗiya da aka yi amfani da su don kera rini na ƙwararrun, pigments da tsaka-tsaki masu launi.

Resins da Coatings

Ana iya amfani da EAA a cikin gyaran guduro, sinadarai masu sutura da kuma matsayin mai haɓakawa a cikin zaɓaɓɓun tsarin polyester mara kyau.

Dadi da kamshi

Ana amfani da wasu maki na EAA a cikin aikace-aikacen ɗanɗano da ƙamshi. Ba dole ba ne a gabatar da darajar masana'antu ko haɗawa azaman darajar abinci sai dai idan samfurin da aka kawo da takaddun ke goyan bayan wannan amfani.

Bincike da Ci gaban Tsari

Ana amfani da maki reagent don haɓaka amsawa, gano ƙazanta, gwaji na nazari da ƙananan ƙira.

Wanne Ethyl Acetoacetate Grade Ya Kamata Masu Siyayya Zabi?

Ya kamata a bayyana aikace-aikacen da aka nufa lokacin neman samfurin ko zance.

Wanne ƙayyadaddun ƙayyadaddun ingancin EAA yakamata masu siye su kwatanta?

Assay kadai baya ƙayyade aikin EAA. Ruwa, acidity, launi, index refractive da kuma abubuwan da ke da alaƙa na iya shafar halayen ƙasa.

Kayayyakin ciniki yawanci suna ba da kusan 98-99% GC kima. Maki-daki masu tsafta kuma na iya ƙayyade ƙarancin ruwa, ƙarancin acidity da ƙarancin launi na APHA. Waɗannan nassoshi ne na kasuwa, ba a ba da garantin ƙayyadaddun bayanan AOZUN ba sai dai in an tabbatar da su a cikin zance da kwangila.

Me yasa yakamata a Tabbatar da Hanyar Gwajin GC?

EAA ya wanzu azaman cakuda keto da siffofin enol. Hanyar nazari, yanayin ginshiƙi da kowane ɓata lokaci ko matakin silyation na iya shafar sakamakon da aka ruwaito.

Masu saye ya kamata su tabbatar:

• Ko an auna ma'aunin ta hanyar GC kai tsaye ko GC silyated

• Ko ƙimar yanki kashi ne ko ƙididdiga

• Waɗanne abubuwa masu alaƙa sun haɗa

• Ko an gwada ruwa daban

• Wace hanya ake amfani da ita don ƙazantattun acidic

Sakamako daga hanyoyi daban-daban bai kamata a kula da su ta atomatik a matsayin daidai ba.

Marufi, Adana da Gudanarwa

Ethyl acetoacetate ya kamata a ba da shi a cikin tsabtataccen marufi, rufewa da marufi masu dacewa da sinadarai. Ya kamata a tabbatar da girman fakitin da ke akwai da kayan tattarawa yayin zance.

Ajiye a wuri mai sanyi, busasshe kuma mai cike da iska. Rike akwati a rufe kuma kare shi daga zafi, tushen kunna wuta, hasken rana kai tsaye da kayan da ba su dace ba.

EAA ruwa ne mai ƙonewa. Masu aiki yakamata su bi takardar bayanan Tsaro na yanzu kuma suyi amfani da safofin hannu masu dacewa, kariyar ido da samun iska. Guji tururin numfashi da hana haduwa da fata da idanu.

Wadanne Takardu Ya Kamata Mai Bayar da Kayan EAA Ya Bada?

Dangane da aikace-aikacen da kasuwar inda ake nufi, masu siye na iya buƙatar:

• Takaddun Bincike

• Takardar bayanan Tsaro

• Ƙayyadaddun samfur

• GC chromatogram

• Bayanin hanyar gwaji

• Sanarwa na asali

• Bayanin tattarawa

• Rayuwar rayuwa ko sake gwadawa

• Ƙa'idar ƙa'ida ko ƙayyadaddun sanarwa

• Abinci, ƙamshi ko takaddun asali na asali idan an zartar

Dole ne a tabbatar da buƙatun takaddun kafin sanya odar kasuwanci.

Me yasa Source Ethyl Acetoacetate daga AOZUN?

AOZUN na iya taimaka wa abokan ciniki tare da zaɓin darajar EAA, ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ma'amala suke, kimanta samfurin da daidaita tsarin kasuwanci.

Don ingantacciyar magana, da fatan za a ba da:

• Aikace-aikacen da aka yi niyya

• Gwajin GC da ake buƙata

• Matsakaicin ruwa da acidity

• Bukatar launi

• Matsakaicin ƙazanta

• Adadin da ake buƙata

• Bukatun marufi

• Makoma kasar

• Takardun fasaha da ake buƙata

An tabbatar da ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai, marufi, samuwa da takardu bisa ga zaɓin samfur da odar kasuwanci.

Ethyl acetoacetate FAQ

Shin Ethyl acetoacetate daidai yake da Ethyl Acetate?

A'a. Ethyl acetoacetate shine β-keto ester tare da CAS No. 141-97-9. Ethyl acetate mai sauƙi ne mai sauƙi tare da CAS No. 141-78-6.

Shin EAA Solvent ne ko Matsakaici?

EAA na iya samar da wasu ayyuka masu ƙarfi, amma aikin sa na kasuwanci na farko shine matsakaicin haɗakar kwayoyin halitta.

Me yasa Ruwa yake Muhimmanci a EAA?

Ruwa na iya shafar halayen ɗanɗano, aiki mai ƙara kuzari da kuma amfanin ƙasa. Masu saye yakamata su ƙayyade iyakar ruwa na Karl Fischer idan ya cancanta.

Me yasa Silyated GC ke gwada EAA?

Silylation na iya taimakawa daidaita binciken da keto-enol tautomerism ya shafa. Masu saye yakamata su gwada samfuran ta amfani da hanyoyin tantancewa daidai.

Shin Ethyl Acetoacetate Matsayin Abinci?

Sai kawai samfurin da aka kawo tare da ƙayyadaddun kayan abinci da ake buƙata ko ƙayyadaddun yanayin dandano da takaddun tsari ya kamata a bayyana shi azaman matakin abinci. Daidaitaccen masana'antu EAA bai kamata a ɗauka ya dace da amfanin abinci ba.

Shin EAA Keɓaɓɓen Kemikal ne ko Matsakaici?

EAA sinadari ne mai kyau na halitta wanda aka fara amfani dashi azaman tsaka-tsaki. 'Matsakaici' shine rukunin gidan yanar gizon da aka ba da shawarar.

Nemi Bayanin Ethyl Acetoacetate

Tuntuɓi AOZUN don Ethyl Acetoacetate, CAS Lamba 141-97-9. Haɗa aikace-aikacen da aka yi niyya, ƙayyadaddun bayanai, yawa, marufi da wurin bayarwa domin a iya kimanta samfurin da ya dace.