5,5-Dimethylhydantoin CAS 77-71-4

CAS:77-71-4

Fọọmu Molecular:C5H8N2O2

Ìwọ̀n Molikula:128.13

EINECS:201-051-3

Awọn itumọ ọrọ sisọ:A-UREIDOISOBUTYRIC ACID LACTAM; DMH; DAMETHYLHYDANTOIN; 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

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Kini 5,5-Dimethylhydantoin CAS 77-71-4?

5,5-Dimethylhydantoin jẹ kristali prismatic funfun tabi lulú okuta. Ojuami yo 175 ℃. Soluble ninu omi, hexanol, ethyl acetate, ati dimethyl ether, die-die tiotuka ni isopropanol, acetone, ati methyl ethyl ketone, insoluble ni fatty hydrocarbons ati trichlorethylene. Odorless, o lagbara ti sublimation, ati ekikan.

Sipesifikesonu

Nkan	Sipesifikesonu
Oju omi farabale	237.54°C (iṣiro ti o ni inira)
iwuwo	1.2864 (iṣiro ti o ni inira)
Ojuami yo	174-177 °C (tan.)
oju filaṣi	193°C
resistivity	1.4730 (iṣiro)
pKa	pKa 8.1 (Aidaniloju)

Ohun elo

Ti a lo bi iru tuntun ti imuduro ina ore ayika, ni akọkọ ti a lo lati rọpo decabromodiphenyl ether flame retardant, le ṣee lo ni HIPS, resini ABS ati PVC, PP ati awọn pilasitik miiran