Ngā āhuatanga matū:

Ko te hua parakore N-methylformamide he wai kore tae, mārama, matotoru hoki, mp-3.8℃, bp198℃, n25D1.43Chemicalbook10, te mātotoru whanaunga 0.9986 (25℃), wairewa i roto i te wai, ā, ka taea hoki te whakarewa i ngā tote kore-waro. He waiora-hauora tōna, he ngāwari te pirau i roto i ngā otinga waikawa, kawakore rānei.

Whakamahinga:

He rauemi mata hangai waro nui te N-methylformamide. E whakamahia ana i roto i te hanga patupatu, patupatu me ngā acaricides monoformamidine me diformamidine. E whakamahia ana hoki i roto i te hanga rongoā, hiako hangai, hiako horihori, me te whakarewa mō ngā muka matū kakahu.

tikanga whakaputa

I ahu mai te tikanga methylamine i te taunekeneke i waenga i te methylamine me te hauota waro. CO+CH3NH2→HCONHCH3 Tukuna he 87.05kg/h, me te tuku i te 56.5kg/h o te hauota waro me te ihirangi o te 9.5%, ko te pāmahana tauhohenga he 90°C, ā, ko te pēhanga he 2.53MPa. Tangohia he 140.75kg o te ranunga kei roto he 80.5% (wāhanga papatipu) o te monomethylamine i ia haora, arā, ko te nui o te whakaputanga o te N-methylformamide he 113.4kg ia haora, ā, ko te kaha whakaputanga o te tauhohenga 1L he 1.89kg N-methylformamide ia haora.

taiao

Nama CAS 123-39-7

Te tātai ngota C2H5NO

Taumaha ngota 59.07

EINECS Nama 204-624-6

Te ira rewa -4°C (iritihia)

Te pūmahana koropupū 198-199°C (iritihia)

Kiato 1.011g/mL i te 25°C (i te rama)

Taupū whakaata n20/D1.432 (lit.)

Te pūwāhi mura >230° F

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