5,5-Dimethylhydantoin CAS 77-71-4

CAS:77-71-4 ib

Molecular Formula:C5H8N2O2

Molecular Luj:128.13 Nws

EINECS:201-051-3

Synonyms:A-UEIDOISOBUTYRIC 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 hmoov

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5,5-Dimethylhydantoin CAS 77-71-4 yog dab tsi?

5,5-Dimethylhydantoin yog dawb prismatic siv lead ua los yog crystalline hmoov. Melting point 175 ℃. Soluble nyob rau hauv dej, hexanol, ethyl acetate, thiab dimethyl ether, me ntsis soluble nyob rau hauv isopropanol, acetone, thiab methyl ethyl ketone, insoluble nyob rau hauv fatty hydrocarbons thiab trichloroethylene. Tsis muaj ntxhiab tsw, muaj peev xwm sublimation, thiab acidic.

Specification

Yam khoom	Specification
Boiling point	237.54°C (kev kwv yees kwv yees)
Qhov ntom	1.2864 (kev kwv yees kwv yees)
Melting point	174-177 ° C (lit.)
flash point	193 ° C
tiv taus	1.4730 (kwv yees)
pKa	pKa 8.1 (tsis paub meej)

Daim ntawv thov

Siv los ua hom tshiab ntawm cov nplaim hluav taws kub nyhiab, feem ntau yog siv los hloov decabromodiphenyl ether nplaim retardant, tuaj yeem siv rau hauv HIPS, ABS resin thiab PVC, PP thiab lwm yam yas.