1,4,5,8-Naphthalenetetracarboxylic dianhydride/NTDA CAS: 81-30-1

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1,4,5,8-naphthalene tetracarboxylic anhydride, feem ntau hu ua NTA, yog cov tshuaj dawb crystalline nrog cov tshuaj formula C12H4O5.Nws yog ua tib zoo tsim los siv cov txheej txheem meej kom ntseeg tau tias nws zoo thiab purity.NTA feem ntau yog siv los ua cov khoom siv raw hauv kev sib txuas ntawm ntau cov organic tebchaw, pab txhawb rau kev txhim kho ntawm ntau qhov kev lag luam tseem ceeb.

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- Lub cev thiab tshuaj lom neeg: NTA muaj qhov hnyav molecular ntawm 244.16 g / mol thiab melting point ntawm 352-358°C. Nws pom zoo solubility hauv cov kuab tshuaj organic xws li chloroform, ethyl acetate, thiab benzene.Tsis tas li ntawd, nws qhia tau hais tias kev ruaj ntseg zoo nyob rau hauv ib txwm muaj kev cia siab, tso cai rau kev khaws cia thiab kev thauj mus los yam tsis muaj kev puas tsuaj loj.

- Daim ntawv thov: NTA pom daim ntawv thov nyob rau hauv ntau yam kev lag luam, suav nrog tshuaj, dyes, thiab plastics.Hauv kev lag luam kws kho mob, nws ua haujlwm tseem ceeb hauv kev sib xyaw ntawm cov tshuaj, pab txhawb kev txhim kho kev kho tshiab.Nws cov reactivity siab thiab compatibility ua rau nws yog ib tug zoo tagnrho tivthaiv nyob rau hauv zus tau tej cov high-kev ua tau zoo dyes, xa exceptional xim.Ntxiv mus, NTA yog siv los ua monomer hauv kev sib txuas ntawm cov khoom tshwj xeeb polymers thiab cov resins, txhim kho lawv cov kev ua tau zoo thiab ua haujlwm ntev.

- Kev txiav txim siab txog kev nyab xeeb: Thaum tuav 1,4,5,8-naphthalene tetracarboxylic anhydride, nws yog ib qho tsim nyog yuav tsum tau ua raws li kev ceev faj txog kev nyab xeeb.Cov tshuaj no yuav tsum tau muab cia rau hauv qhov chaw txias, qhuav, kom deb ntawm qhov qhib nplaim taws lossis qhov hluav taws kub.Kev ua pa kom raug yog qhov tseem ceeb thaum siv los tiv thaiv kev nqus ntawm cov vapors.Ib yam li txhua yam tshuaj lom neeg, nws yog ib qho tseem ceeb uas yuav tsum hnav cov khoom tiv thaiv tus kheej tsim nyog, nrog rau cov hnab looj tes thiab tsom iav, kom txo qis kev sib cuag ncaj qha thiab ua kom muaj kev nyab xeeb ntawm tus kheej.

Hauv kev xaus, 1,4,5,8-naphthalene tetracarboxylic anhydride yog cov tshuaj muaj txiaj ntsig zoo uas ua haujlwm tau zoo hauv ntau yam kev lag luam.Nws cov khoom tshwj xeeb thiab kev siv dav siv ua rau nws yog ib qho tseem ceeb hauv kev sib txuas ntawm cov organic sib txuas, tshuaj, dyes, thiab plastics.Peb mob siab rau muab koj nrog NTA zoo tshaj plaws, tsim nrog precision thiab ua raws li cov qauv kev lag luam.