5,5-Dimethylhydantoin CAS 77-71-4
ʻO 5,5-Dimethylhydantoin kahi keʻokeʻo prismatic keʻokeʻo a i ʻole ka pauka crystalline. Ka helu hehee 175 ℃. Hiki ke hoʻoheheʻe ʻia i ka wai, hexanol, ethyl acetate, a me dimethyl ether, hiki ke hoʻoheheʻe iki ʻia i ka isopropanol, acetone, a me ka methyl ethyl ketone, ʻaʻole hiki ke hoʻoheheʻe ʻia i loko o ka momona hydrocarbons a me trichloroethylene. ʻAʻohe ʻala, hiki ke sublimation, a me ka waikawa.
| 'ikamu | Hōʻike |
| Lae paila | 237.54°C (manaʻo koʻikoʻi) |
| ʻO ka mānoanoa | 1.2864 (manaʻo koʻikoʻi) |
| Lae hehee | 174-177 °C (kukui) |
| kiko uila | 193°C |
| kūʻē | 1.4730 (manaʻo) |
| pKa | pKa 8.1 (ʻAʻole maopopo) |
Hoʻohana ʻia e like me ke ʻano hou o ka lapalapa ahi e pili ana i ka honua, i hoʻohana nui ʻia e hoʻololi i ka decabromodiphenyl ether flame retardant, hiki ke hoʻohana ʻia i HIPS, ABS resin a me PVC, PP a me nā plastics ʻē aʻe.
Hoʻopili pinepine ʻia i ka 25kg / pahu, a hiki ke hana ʻia i ka pōʻai maʻamau.
5,5-Dimethylhydantoin CAS 77-71-4
5,5-Dimethylhydantoin CAS 77-71-4
