I-5,5-Dimethylhydantoin CAS 77-71-4

I-CAS:77-71-4

I-Molecular Formula:I-C5H8N2O2

Isisindo se-Molecular:128.13

I-EINECS:201-051-3

Omqondofana:I-A-UREIDOISOBUTYRIC Acid LACTAM; I-DMH; I-DIMETHYLHYDANTOIN; 5,5-DIMETHYL-2,4-DIOXOTETRAHYDROIMIDAZOLE; 5,5-DIMETHYL-2,4-IMIDAZOLIDINEDIONE; 5,5'-DIMETHYLHYDANTOIN; 5,5-DIMETHYLHYDANTOIN; 5,5-Dimethylimidazolidine-2,4-dione; 5,5-Dimethylhydrantoin

Shiya Umlayezo Wakho

Imininingwane Yomkhiqizo

Landa

Omaka bomkhiqizo

Iyini i-5,5-Dimethylhydantoin CAS 77-71-4?

I-5,5-Dimethylhydantoin iyikristalu emhlophe ye-prismatic noma i-crystalline powder. Iphoyinti lokuncibilika 175 ℃. Incibilika emanzini, i-hexanol, i-ethyl acetate, ne-dimethyl ether, inyibilika kancane ku-isopropanol, i-acetone, ne-methyl ethyl ketone, engancibiliki ku-fatty hydrocarbons ne-trichlorethylene. Ayinaphunga, ikwazi ukuncibilika, futhi i-asidi.

Ukucaciswa

Into	Ukucaciswa
Iphuzu elibilayo	237.54°C (isilinganiso esinzima)
Ukuminyana	1.2864 (isilinganiso esinzima)
Iphoyinti lokuncibilika	174-177 °C (okhanyisiwe)
iphoyinti elikhanyayo	193°C
ukumelana	1.4730 (isilinganiso)
pKa	pKa 8.1 (Akunasiqiniseko)

Isicelo

Isetshenziswa njengohlobo olusha lwe-flame retardant evumela imvelo, ikakhulukazi esetshenziselwa ukufaka esikhundleni se-decabromodiphenyl ether flame retardant, ingasetshenziswa kuma-HIPS, i-ABS resin ne-PVC, i-PP namanye amapulasitiki.