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Cas no:89-32-7 PMDA Pyromellitic dianhydride
Pyromellitic dianhydride (PMDA), ko nga hua parakore he ma, he kiripiri kowhai iti ranei. Ka kitea ki te hau makuku ka tere te tango i te makuku mai i te hau, ka whakamarohia ki roto i te Pyromellitic Acid. Ka memeha ki te dimethyl sulfoxide, te dimethylformamide, te acetone me etahi atu whakarewa pararopi, kaore e rewa i roto i te etera, te chloroform me te benzene. Ko te nuinga ka whakamahia hei rauemi mata mo te polyimide, me te kaihoko whakawhiti mo te hanga i te kaihoko rongoa epoxy me te mate polyester resin.
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Te ara tuku haumaru CAS 56553-60-7 paura konutai triacetoxyborohydride
Ingoa hua: Sodium triacetoxyborohydride
CAS:56553-60-7
tātai rāpoi:C6H10BNaO6
Te ahua: te paura ma
Ihirangi: 95.0%~105.0%(titrate)
Whakamahinga: Mo te tauhohenga whakaheke amination o te ketone me te aldehyde, te amination whakaiti, te lactamization ranei o te pūhui waro me te amine, me te amination whakaiti o te aryl aldehyde
Te kaha: 5 ~ 10mt / marama
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25kg kete CAS 75-36-5 99% Acetyl Chloride
Ingoa Hua: Acetyl chloride
NO CAS:75-36-5
Tātai rāpoi C2H3ClO
Te ahua: Te wai kore tae
Chroma:≤50
Waikawa ahetiki:≤1%
Taupānga: Reagent acetylation
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DMP Liquid Dimethyl Phthalate CAS 131-11-3
Te tātai matū me te taumaha rāpoi
tātai matū:C10H10O4
Te taumaha ngota:194.19
CAS Nama:131-11-3
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Trioctyl Citrate CAS 78-42-2
Te tātai matū me te taumaha rāpoi
tātai matū:C24H51O4P
Te taumaha ngota:434.64
CAS Nama:78-42-2
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CAS 84-69-5 Diisobutyl phthalate DIBP plasticizer
Te tātai matū me te taumaha rāpoi
tātai matū:C16H22O4
Te taumaha ngota:278.35
CAS Nama:84-69-5
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DOP plasticizer Di-iso-octyl Phthalate CAS 117-81-7
Te tātai matū me te taumaha rāpoi
tātai matū:C16H22O4
Te taumaha ngota:278.35
CAS Nama:84-74-2
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DAP plasticizer Diallyl Phthalate CAS 131-17-9
Te tātai matū me te taumaha rāpoi
tātai matū:C14H14O4
Te taumaha ngota:246.35
CAS Nama:131-17-9
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DMM plasticizer Dimethyl Maleate CAS 624-48-6
Te tātai matū me te taumaha rāpoi
tātai matū:C6H8O4
Te taumaha ngota:144.12
CAS Nama:624-48-6
