Dimethyl Carbonate

Maɓalli na Jiki da Sinadarai

• Bayyanar : bayyananne, ruwa mara launi

• Tsafta : Yawanci ≥99.0% (masana'antu), ≥99.5% (pharma), ≥99.9% (batir/jin lantarki)

• Wurin narkewa : 2-4 ° C

• Wurin tafasa : 90 °C

• Yawa : 1.069-1.073 g/mL a 25 ° C

• Wutar Wuta : 18 ° C (kofin rufe); sosai flammable

• Ruwan tururi : ~ 18 mmHg a 21 ° C

• Fihirisar Refractive : n20/D 1.368

• Solubility : Dan kadan mai narkewa a cikin ruwa (~ 13.9 g / 100 ml); cikakken miscible tare da mafi yawan kwayoyin kaushi (giya, ethers, ketones)

• Yawan Turi : 3.1 (iska = 1)

• Iyakar fashewa : 4.2-12.9% a cikin iska

  
  

DMC ya yi fice don ƙarancin ɗimbin sa, biodegradability, babban ƙarfi mai ƙarfi, ƙarancin danko, da tsayin daka na dielectric, sanya shi a matsayin fifikon ƙarfi da reagent 'kore'.

Aikace-aikace na Farko da Amfani

• Lithium-Ion Baturi Electrolytes : Mahimmancin haɗin gwiwa a cikin batirin baturi na Li-ion saboda kyakkyawan kwanciyar hankali na electrochemical, ƙananan danko, babban dielectric akai-akai, da ikon inganta haɓakar ionic, ƙimar cajin caji, da aikin thermal a cikin EVs, masu amfani da lantarki, da tsarin ajiyar makamashi.

  
  

• Polycarbonate Production : Maɓallin hanyar da ba ta hanyar phosgene ba don haɗin polycarbonate ta hanyar transesterification tare da bisphenol A, yana ba da damar masana'antar filastik kore.

  
  

• Mai narkewa a cikin Rubutu, Paints, Adhesives, da Inks : Saurin kwashewa, VOC-keɓe (a cikin yankuna da yawa) ƙauyen polar da ke maye gurbin magungunan gargajiya kamar MEK, acetone, ko glycol ethers; yana ba da kyakkyawan ƙarfi, bushewa mai sauri, da rage fitar da hayaki.

  
  

• Pharmaceutical da Agrochemical Synthesis : Green methylating da carbonylating wakili don APIs, tsaka-tsaki, carbamate, da magungunan kashe qwari; madadin ƙananan guba a cikin ƙirar ƙwayoyi da haɗin gwiwar kwayoyin halitta.

  
  

• Additives na Man Fetur da Tsabtace Makamashi : Yana haɓaka abun ciki na oxygen da lambar octane a cikin man fetur; ana amfani dashi a cikin samar da biodiesel kuma azaman ƙari mai dacewa da yanayi.

  
  

• Sauran Amfani : Reagent a cikin haɗin gwiwar kwayoyin halitta (methoxylation, carbonylation), abubuwan tsaftacewa / degreasing, man shafawa, samar da polyurethane, kuma azaman mai kiyayewa ko ƙarfi a cikin aikace-aikace na musamman.

  
  

Me yasa Ya Zaba Dimethyl Carbonate Mafi Girma?

Ana ba da DMC ɗinmu a cikin maki da yawa - masana'antu (> 99.0%), magunguna (> 99.5%), da baturi / lantarki (> 99.9% tare da ƙarancin ƙazanta) - don saduwa da buƙatu masu ƙarfi don tsabta, sarrafa danshi, da iyakokin ion karfe. Tabbataccen inganci yana tabbatar da ƙaƙƙarfan gurɓatacce don sakamakon da za'a iya sakewa a cikin ƙirar baturi mai mahimmanci, hanyoyin magunguna, da kuma babban abin rufe fuska. Kunshe a ƙarƙashin inert yanayi don adana kwanciyar hankali da hana shigar danshi.

Bayanin Tsaro da Kulawa

Dimethyl carbonate an rarraba shi azaman ruwa mai ƙonewa sosai (Kashi na 2) ƙarƙashin GHS. Tururi sun fi iska nauyi kuma suna iya haifar da abubuwan fashewa. Yana iya haifar da haushin ido/fata kuma yana da illa idan an shaka ko hadiye shi da yawa. Karɓa a cikin wuraren da ke da isasshen iska ko hulunan hayaƙi tare da ƙasa don hana tartsatsin wuta. Yi amfani da kayan da ke hana fashewa, saka PPE da suka dace (tufafi masu jure wuta, safar hannu, tabarau), kuma guje wa tushen kunna wuta. Ajiye a cikin kwantena da aka rufe sosai a cikin sanyi, busasshiyar wuri nesa da masu oxidizers da tushe mai ƙarfi. Koma zuwa sabon SDS don cikakken haɗari, taimakon farko, da bayanan zubarwa.

Tambayoyin da ake yawan yi (FAQs)

Menene lambar CAS don dimethyl carbonate?

Lambar CAS ita ce 616-38-6.

Me yasa dimethyl carbonate ya zama sinadari 'kore'?

Yana da ƙarancin guba, mai yuwuwa, VOC-kebe a cikin hukunce-hukuncen da yawa, kuma ana samarwa ta hanyoyin da ba na phosgene ba, yana aiki azaman madadin mafi aminci ga dimethyl sulfate, phosgene, ko methyl halides.

Me yasa ake amfani da DMC ko'ina a cikin batirin lithium-ion electrolytes?

Babban dielectric akai-akai, ƙarancin danko, da kwanciyar hankali na electrochemical yana haɓaka haɓakar ionic, ingancin baturi, da rayuwar zagayowar idan aka kwatanta da sauran kaushi na carbonate.

Shin dimethyl carbonate dace da aikace-aikacen magunguna?

Ee, Pharmaceutical-grade DMC ya gamu da ma'aunin tsafta kuma ana amfani da shi azaman wakili na methylating/carbonlating a cikin haɗin API tare da rage haɗarin haɗari.

Ta yaya DMC ke kwatanta da sauran kaushi kamar acetone ko MEK?

DMC yana ba da ƙarfi iri ɗaya ko mafi kyawu, ƙazamin ƙafe, ƙanƙan guba, kuma sau da yawa matsayin keɓewar VOC, yana mai da shi zaɓin da aka fi so a cikin fenti, sutura, da tsaftataccen tsari.

Shin dimethyl carbonate yana ƙonewa?

Ee, yana da ƙonewa sosai tare da ƙaramin walƙiya (~ 18 ° C); rike tare da tsauraran matakan rigakafin gobara.

Don ambato, takaddun shaida na bincike, samfurori, maki na al'ada, ko wadatar dimethyl carbonate CAS 616-38-6, da fatan za a tuntuɓi ƙungiyarmu.

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Muna isar da tsafta mai ƙarfi, abin dogaro dimethyl carbonate a duk duniya tare da farashi mai gasa, lokutan jagora cikin sauri, da goyan bayan fasaha na ƙwararru.