5,5-Dimethylhydantoin CAS 77-71-4

CAS:77-71-4

Tātai ngota:C5H8N2O2

Taumaha ngota:128.13

EINECS:201-051-3

Ngā kupu taurite:A-UREIDOISOBUTYRIC ACID LACTAM; DMH; 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

Waiho tō karere

Taipitopito Hua

Tikiake

Ngā Tohu Hua

He aha te 5,5-Dimethylhydantoin CAS 77-71-4?

He tioata prismatic mā, he paura tioata rānei te 5,5-Dimethylhydantoin. Ko tōna ira rewa he 175 ℃. Ka wairewa ki te wai, ki te hexanol, ki te ethyl acetate, me te dimethyl ether, he paku wairewa ki te isopropanol, ki te acetone, me te methyl ethyl ketone, kāore e wairewa ki ngā warowaihā ngako me te trichloroethylene. Kāore he kakara, ka taea te whakakorikori, ā, he waikawa.

Whakatakotoranga

Taonga	Whakatakotoranga
Te pūwāhi koropupū	237.54°C (whakatau tata)
Kiato	1.2864 (whakatau tata)
Te pūwāhi rewa	174-177 °C (whakamārama)
pūwāhi mura	193°C
ātete	1.4730 (whakatau tata)
pKa	pKa 8.1 (Kāore i te tino mārama)

Tono

Whakamahia hei momo hou o te aukati mura taiao, e whakamahia ana hei whakakapi i te aukati mura decabromodiphenyl ether, ka taea te whakamahi i roto i te HIPS, te kapia ABS me te PVC, PP me ētahi atu kirihou.